Champion Spark Plug CCH71
Spark Plug, Copper Core
Confirm year, make, model, engine and drivetrain before ordering.
Verified Vehicle Fitment
Make: Arctic Cat, Argo, Bentley, Cadillac, Case IH, Chevrolet, Cub Cadet, Dodge, Ford, Geo, Honda, Husqvarna, Hyundai, INFINITI, Isuzu, Jaguar, Jeep, John Deere, Kia, Land Rover, Mazda, Mercedes-Benz, Mercury, Mitsubishi, Nissan, Oldsmobile, Plymouth, Polaris, Rolls-Royce, Saturn, Subaru, Suzuki, Toyota, Volkswagen
Model: 253 verified models — see exact combinations below.
Years: 1984–2025 — varies by model and configuration.
Check before ordering: Match the year, make, model, position, and every engine, transmission or other restriction in the same row. Listed years do not apply to every model.
View vehicle applications (694 configuration groups)
| Years | Make | Model | Position | Engine / transmission / notes |
|---|---|---|---|---|
| 2002 | Arctic Cat | SBS 1000 | — | Engine: - --; Gap 0.030 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 2002 | Arctic Cat | SBS 1000 | — | Engine: - --; Gap 0.030 in , Actual OE Part, Plug Type Number RC12YC |
| 2011–2014 | Argo | 6x6 650 HD | — | Engine: - --; Gap 0.030 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 2011–2014 | Argo | 6x6 650 HD | — | Engine: - --; Gap 0.030 in , Actual OE Part, Plug Type Number RC12YC |
| 2015–2016 | Argo | 6x6 750 HDi | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2015–2016 | Argo | 6x6 750 HDi | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2015–2016 | Argo | 6x6 Frontier EFI 747 | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2015–2016 | Argo | 6x6 Frontier EFI 747 | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2015–2016 | Argo | 8x8 Frontier EFI | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2015–2016 | Argo | 8x8 Frontier EFI | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2006 | Argo | Bigfoot 6x6 | — | Engine: - --; Gap 0.030 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 2006 | Argo | Bigfoot 6x6 | — | Engine: - --; Gap 0.030 in , Actual OE Part, Plug Type Number RC12YC |
| 2008–2014 | Argo | Frontier 580 6x6 | — | Engine: - --; Gap 0.030 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 2008–2014 | Argo | Frontier 580 6x6 | — | Engine: - --; Gap 0.030 in , Actual OE Part, Plug Type Number RC12YC |
| 2008–2010 | Argo | Frontier 650 6x6 | — | Engine: - --; Gap 0.030 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 2008–2010 | Argo | Frontier 650 6x6 | — | Engine: - --; Gap 0.030 in , Actual OE Part, Plug Type Number RC12YC |
| 2008–2014 | Argo | Frontier 650 8x8 | — | Engine: - --; Gap 0.030 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 2008–2014 | Argo | Frontier 650 8x8 | — | Engine: - --; Gap 0.030 in , Actual OE Part, Plug Type Number RC12YC |
| 2007 | Argo | Frontier 6x6 | — | Engine: - --; Gap 0.030 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 2017 | Argo | Frontier 6x6 | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2007 | Argo | Frontier 6x6 | — | Engine: - --; Gap 0.030 in , Actual OE Part, Plug Type Number RC12YC |
| 2017 | Argo | Frontier 6x6 | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2017 | Argo | Frontier 6x6 S | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2017 | Argo | Frontier 6x6 S | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2017–2018 | Argo | Frontier 6x6 Scout S | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2017–2018 | Argo | Frontier 6x6 Scout S | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2017 | Argo | Frontier 6x6 Scout ST | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2017 | Argo | Frontier 6x6 Scout ST | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2018 | Argo | Frontier 6x6 SE | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2018 | Argo | Frontier 6x6 SE | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2017 | Argo | Frontier 6x6 ST | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2017 | Argo | Frontier 6x6 ST | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2018 | Argo | Frontier 6x6 ST LE | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2018 | Argo | Frontier 6x6 ST LE | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2007 | Argo | Response 8x8 | — | Engine: - --; Gap 0.030 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 2007 | Argo | Response 8x8 | — | Engine: - --; Gap 0.030 in , Actual OE Part, Plug Type Number RC12YC |
| 2006–2007 | Argo | Vanguard 2 6x6 | — | Engine: - --; Gap 0.030 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 2006–2007 | Argo | Vanguard 2 6x6 | — | Engine: - --; Gap 0.030 in , Actual OE Part, Plug Type Number RC12YC |
| 2006–2007 | Argo | Vanguard 6x6 | — | Engine: - --; Gap 0.030 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 2006–2007 | Argo | Vanguard 6x6 | — | Engine: - --; Gap 0.030 in , Actual OE Part, Plug Type Number RC12YC |
| 2004–2009 | Bentley | Arnage | — | Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2001 | Bentley | Arnage | — | Engine: 4.4 V8; Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 2004–2009 | Bentley | Arnage | — | Gap 0.032 in , Plug Type Number RC12YC |
| 2000–2001 | Bentley | Arnage | — | Engine: 4.4 V8; Gap 0.032 in , Plug Type Number RC12YC |
| 2002–2003 | Bentley | Arnage | — | OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2001 | Bentley | Arnage | — | Engine: 6.8 V8; OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2003 | Bentley | Arnage | — | OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 2000–2001 | Bentley | Arnage | — | Engine: 6.8 V8; OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 2007–2010 | Bentley | Azure | — | Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 2007–2010 | Bentley | Azure | — | Gap 0.032 in , Plug Type Number RC12YC |
| 2006 | Bentley | Azure | — | Gap 0.036 (in), Boxed Product, Plug Type Number RC12YC |
| 2006 | Bentley | Azure | — | Gap 0.036 in , Plug Type Number RC12YC |
| 1999 | Bentley | Azure | — | Engine: 6.7 V8; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1999 | Bentley | Azure | — | Engine: 6.7 V8; Gap 0.040 in , Plug Type Number RC12YC |
| 2000–2003 | Bentley | Azure | — | OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1999 | Bentley | Azure | — | Engine: 6.8 V8; OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2003 | Bentley | Azure | — | OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 1999 | Bentley | Azure | — | Engine: 6.8 V8; OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 2008–2009 | Bentley | Brooklands | — | Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 2008–2009 | Bentley | Brooklands | — | Gap 0.032 in , Plug Type Number RC12YC |
| 2003 | Bentley | Continental | — | Engine: 6.0 W12; Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 2003 | Bentley | Continental | — | Engine: 6.0 W12; Gap 0.032 in , Plug Type Number RC12YC |
| 1999–2002 | Bentley | Continental | — | OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2003 | Bentley | Continental | — | Engine: 6.8 V8; OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1999–2002 | Bentley | Continental | — | OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 2003 | Bentley | Continental | — | Engine: 6.8 V8; OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 2011–2015 | Bentley | Mulsanne | — | Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 2011–2015 | Bentley | Mulsanne | — | Gap 0.032 in , Plug Type Number RC12YC |
| 1999–2001 | Cadillac | Catera | — | Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1999–2001 | Cadillac | Catera | — | Gap 0.040 in , Plug Type Number RC12YC |
| 2010–2016 | Case IH | Scout | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2010–2016 | Case IH | Scout | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 1993–1994 | Chevrolet | Beretta | — | Engine: 2.3 L4; Gap 0.035 (in), Boxed Product, Plug Type Number RC12YC |
| 1993–1994 | Chevrolet | Beretta | — | Engine: 2.3 L4; Gap 0.035 in , Plug Type Number RC12YC |
| 1990–1992 | Chevrolet | Corvette | — | Cylinder Head Type: DOHC; OE Type, Gap 0.035 (in), Boxed Product, Plug Type Number RC12YC 32 Valve |
| 1986–1987 | Chevrolet | Corvette | — | OE Type, with Aluminum Head, Gap 0.035 (in), Boxed Product, Plug Type Number RC12YC |
| 1986–1987 | Chevrolet | Corvette | — | OE Type, with Aluminum Head, Gap 0.035 in , Plug Type Number RC12YC |
| 2009–2014 | Cub Cadet | Volunteer 4x2 | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2009–2014 | Cub Cadet | Volunteer 4x2 | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2009–2014 | Cub Cadet | Volunteer 4x4 | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2009–2014 | Cub Cadet | Volunteer 4x4 | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2009–2016 | Cub Cadet | Volunteer 4x4 EFI | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2009–2016 | Cub Cadet | Volunteer 4x4 EFI | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2009 | Cub Cadet | Volunteer 4x4 EFI w/Cab | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2009 | Cub Cadet | Volunteer 4x4 EFI w/Cab | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2009 | Cub Cadet | Volunteer 4x4 w/Cab | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2009 | Cub Cadet | Volunteer 4x4 w/Cab | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2016 | Cub Cadet | Volunteer WT Cab | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2016 | Cub Cadet | Volunteer WT Cab | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 1992–1994 | Dodge | B150 | — | Engine: 3.9 V6; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1994 | Dodge | B150 | — | Engine: 5.2 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1994 | Dodge | B150 | — | Engine: 3.9 V6; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992–1994 | Dodge | B150 | — | Engine: 5.2 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1995–1996 | Dodge | B1500 | — | Engine: 3.9 V6; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1995–1996 | Dodge | B1500 | — | Engine: 5.2 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1995–1996 | Dodge | B1500 | — | Engine: 3.9 V6; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1995–1996 | Dodge | B1500 | — | Engine: 5.2 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992–1994 | Dodge | B250 | — | Engine: 3.9 V6; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1994 | Dodge | B250 | — | Engine: 5.2 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1993–1994 | Dodge | B250 | — | Engine: 5.9 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1994 | Dodge | B250 | — | Engine: 3.9 V6; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992–1994 | Dodge | B250 | — | Engine: 5.2 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1993–1994 | Dodge | B250 | — | Engine: 5.9 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1995–1996 | Dodge | B2500 | — | Engine: 3.9 V6; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1995–1996 | Dodge | B2500 | — | Engine: 5.2 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1995–1996 | Dodge | B2500 | — | Engine: 5.9 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1995–1996 | Dodge | B2500 | — | Engine: 3.9 V6; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1995–1996 | Dodge | B2500 | — | Engine: 5.2 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1995–1996 | Dodge | B2500 | — | Engine: 5.9 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1993–1994 | Dodge | B350 | — | Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992 | Dodge | B350 | — | Engine: 5.2 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1993–1994 | Dodge | B350 | — | Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992 | Dodge | B350 | — | Engine: 5.2 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1995–1996 | Dodge | B3500 | — | Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1995–1996 | Dodge | B3500 | — | Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992–1994 | Dodge | Colt | — | Engine: 1.8 L4; Gap 0.044 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1994 | Dodge | Colt | — | Engine: 1.8 L4; Gap 0.044 in , Actual OE Part, Plug Type Number RC12YC |
| 1992–1993 | Dodge | D150 | — | Engine: 3.9 V6; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1993 | Dodge | D150 | — | Engine: 5.2 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1993 | Dodge | D150 | — | Engine: 5.9 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1993 | Dodge | D150 | — | Engine: 3.9 V6; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992–1993 | Dodge | D150 | — | Engine: 5.2 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1993 | Dodge | D150 | — | Engine: 5.9 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992–1993 | Dodge | D250 | — | Engine: 3.9 V6; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1993 | Dodge | D250 | — | Engine VIN: Z; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1993 | Dodge | D250 | — | Engine: 5.2 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1993 | Dodge | D250 | — | Engine: 3.9 V6; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1993 | Dodge | D250 | — | Engine VIN: Z; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992–1993 | Dodge | D250 | — | Engine: 5.2 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1993 | Dodge | D350 | — | Engine VIN: Z; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1993 | Dodge | D350 | — | Engine VIN: Z; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992–1996 | Dodge | Dakota | — | Engine: 3.9 V6; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1996 | Dodge | Dakota | — | Engine: 5.2 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1996 | Dodge | Dakota | — | Engine: 3.9 V6; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992–1996 | Dodge | Dakota | — | Engine: 5.2 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1994–1996 | Dodge | Ram 1500 | — | Engine: 3.9 V6; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1994–1996 | Dodge | Ram 1500 | — | Engine: 5.2 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1994–1997 | Dodge | Ram 1500 | — | Engine: 5.9 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1994–1996 | Dodge | Ram 1500 | — | Engine: 3.9 V6; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1994–1996 | Dodge | Ram 1500 | — | Engine: 5.2 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1994–1997 | Dodge | Ram 1500 | — | Engine: 5.9 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1994–1996 | Dodge | Ram 2500 | — | Engine: 5.2 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1994–1997 | Dodge | Ram 2500 | — | Engine: 5.9 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1994–1996 | Dodge | Ram 2500 | — | Engine: 5.2 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1994–1997 | Dodge | Ram 2500 | — | Engine: 5.9 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1994 | Dodge | Ram 3500 | — | Engine VIN: Z; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1995–1997 | Dodge | Ram 3500 | — | Engine: 5.9 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1994 | Dodge | Ram 3500 | — | Engine VIN: Z; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1995–1997 | Dodge | Ram 3500 | — | Engine: 5.9 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1993 | Dodge | Ramcharger | — | Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992 | Dodge | Ramcharger | — | Engine: 5.2 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1993 | Dodge | Ramcharger | — | Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992 | Dodge | Ramcharger | — | Engine: 5.2 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992–1993 | Dodge | W150 | — | Engine: 3.9 V6; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1993 | Dodge | W150 | — | Engine: 5.2 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1993 | Dodge | W150 | — | Engine: 5.9 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1993 | Dodge | W150 | — | Engine: 3.9 V6; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992–1993 | Dodge | W150 | — | Engine: 5.2 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1993 | Dodge | W150 | — | Engine: 5.9 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1993 | Dodge | W250 | — | Engine VIN: Z; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1992–1993 | Dodge | W250 | — | Engine: 5.2 V8; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1993 | Dodge | W250 | — | Engine VIN: Z; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1992–1993 | Dodge | W250 | — | Engine: 5.2 V8; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1993 | Dodge | W350 | — | Engine VIN: Z; Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1993 | Dodge | W350 | — | Engine VIN: Z; Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1991–1996 | Ford | Escort | — | Engine: 1.8 L4; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1991–1996 | Ford | Escort | — | Engine: 1.8 L4; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1990–1992 | Geo | Prizm | — | Engine ID: 4A-FE; Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1990–1992 | Geo | Prizm | — | Engine ID: 4A-FE; Gap 0.032 in , Plug Type Number RC12YC |
| 2003–2005 | Honda | Civic | — | Engine: 1.3 L4; 2 Plugs Per Cylinder Required, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2003–2005 | Honda | Civic | — | Engine: 1.3 L4; 2 Plugs Per Cylinder Required, Gap 0.044 in , Plug Type Number RC12YC |
| 2012–2015 | Honda | GL1800 Gold Wing Airbag | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2012–2015 | Honda | GL1800 Gold Wing Airbag | — | Engine: - --; Gap 0.043 in , Plug Type Number RC12YC |
| 2013–2015 | Honda | GL1800B Gold Wing F6B | — | Engine: - --; OE Type, Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2013–2015 | Honda | GL1800B Gold Wing F6B | — | Engine: - --; OE Type, Gap 0.043 in , Plug Type Number RC12YC |
| 2014–2015 | Honda | GL1800B Gold Wing F6B Deluxe | — | Engine: - --; OE Type, Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2014–2015 | Honda | GL1800B Gold Wing F6B Deluxe | — | Engine: - --; OE Type, Gap 0.043 in , Plug Type Number RC12YC |
| 2009–2010, 2012–2015 | Honda | GL1800HP Gold Wing Audio/Comfort | — | Engine: - --; OE Type, Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2009–2010, 2012–2015 | Honda | GL1800HP Gold Wing Audio/Comfort | — | Engine: - --; OE Type, Gap 0.043 in , Plug Type Number RC12YC |
| 2009–2010 | Honda | GL1800HPN Gold Wing Audio/Comfort/Navi | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2009–2010 | Honda | GL1800HPN Gold Wing Audio/Comfort/Navi | — | Engine: - --; Gap 0.043 in , Plug Type Number RC12YC |
| 2009–2010, 2012 | Honda | GL1800HPNA Gold Wing Audio/Comfort/Navi/ABS | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2009–2010, 2012 | Honda | GL1800HPNA Gold Wing Audio/Comfort/Navi/ABS | — | Engine: - --; Gap 0.043 in , Plug Type Number RC12YC |
| 2022 | Honda | TRX420FA2 FourTrax Rancher 4x4 Auto DCT with EPS | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2022 | Honda | TRX420FA5 FourTrax Rancher 4x4 Auto DCT IRS | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2022 | Honda | TRX420FA6 FourTrax Rancher 4x4 Auto DCT IRS EPS | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2021–2022 | Honda | TRX420FE1 FourTrax Rancher 4x4 ES | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2019–2022 | Honda | TRX420FM1 FourTrax Rancher 4x4 | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2020–2022 | Honda | TRX420FM2 FourTrax Rancher 4x4 with EPS | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2009–2013 | Honda | TRX420FPA Rancher AT 4x4 w/ Power Steering | — | Engine: - --; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2009–2013 | Honda | TRX420FPA Rancher AT 4x4 w/ Power Steering | — | Engine: - --; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2020–2022 | Honda | TRX420TE1 FourTrax Rancher ES | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2019–2022 | Honda | TRX420TM1 FourTrax Rancher | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2015 | Honda | TRX500FA6D FourTrax Foreman Rubicon Auto DCT EPS D | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2016–2019 | Honda | TRX500FA7 FourTrax Foreman Rubicon Auto DCT EPS DL | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2005–2009, 2011–2013 | Honda | TRX500FM FourTrax Foreman 4x4 | — | Engine: - --; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2005–2009, 2011–2013 | Honda | TRX500FM FourTrax Foreman 4x4 | — | Engine: - --; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2007–2008, 2011–2013 | Honda | TRX500FPE FourTrax Foreman 4x4 ES w/ Power Steerin | — | Engine: - --; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2007–2008, 2011–2013 | Honda | TRX500FPE FourTrax Foreman 4x4 ES w/ Power Steerin | — | Engine: - --; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2008–2009, 2011–2013 | Honda | TRX500FPM FourTrax Foreman 4x4 w/ Power Steering | — | Engine: - --; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2008–2009, 2011–2013 | Honda | TRX500FPM FourTrax Foreman 4x4 w/ Power Steering | — | Engine: - --; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2005–2006 | Honda | TRX500TM FourTrax Foreman | — | Engine: - --; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2005–2006 | Honda | TRX500TM FourTrax Foreman | — | Engine: - --; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2020–2024 | Honda | TRX520FA5 FourTrax Foreman Rubicon Auto DCT | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2020–2025 | Honda | TRX520FA6 FourTrax Foreman Rubicon Auto DCT EPS | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2020–2022, 2025 | Honda | TRX520FA7 FourTrax Foreman Rubicon Auto DCT EPS DL | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2020–2024 | Honda | TRX520FE2 FourTrax Foreman 4x4 ES EPS | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2020–2025 | Honda | TRX520FM1 FourTrax Foreman 4x4 | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2020–2025 | Honda | TRX520FM2 FourTrax Foreman 4x4 EPS | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2020–2025 | Honda | TRX520FM6 FourTrax Foreman Rubicon EPS | — | Engine: - --; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2008 | Honda | VTX1800C | — | Engine: - --; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2008 | Honda | VTX1800C | — | Engine: - --; Gap 0.040 in , Plug Type Number RC12YC |
| 2005–2008 | Honda | VTX1800F | — | Engine: - --; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2005–2008 | Honda | VTX1800F | — | Engine: - --; Gap 0.040 in , Plug Type Number RC12YC |
| 2004–2008 | Honda | VTX1800N | — | Engine: - --; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2004–2008 | Honda | VTX1800N | — | Engine: - --; Gap 0.040 in , Plug Type Number RC12YC |
| 2002–2008 | Honda | VTX1800R | — | Engine: - --; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2008 | Honda | VTX1800R | — | Engine: - --; Gap 0.040 in , Plug Type Number RC12YC |
| 2002–2006 | Honda | VTX1800S | — | Engine: - --; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2006 | Honda | VTX1800S | — | Engine: - --; Gap 0.040 in , Plug Type Number RC12YC |
| 2007–2008 | Honda | VTX1800T | — | Engine: - --; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2007–2008 | Honda | VTX1800T | — | Engine: - --; Gap 0.040 in , Plug Type Number RC12YC |
| 2009 | Husqvarna | HUV 4214 | — | Engine: - --; Briggs & Stratton 14 Horsepower Engine(s), Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2009 | Husqvarna | HUV 4214 | — | Engine: - --; Briggs & Stratton 14 Horsepower Engines , Gap 0.030 in , Plug Type Number RC12YC |
| 2009 | Husqvarna | HUV 4414 | — | Engine: - --; Briggs & Stratton 14 Horsepower Engine(s), Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2009 | Husqvarna | HUV 4414 | — | Engine: - --; Briggs & Stratton 14 Horsepower Engines , Gap 0.030 in , Plug Type Number RC12YC |
| 2009 | Husqvarna | HUV 4414 XP | — | Engine: - --; Briggs & Stratton 14 Horsepower Engine(s), Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2009 | Husqvarna | HUV 4414 XP | — | Engine: - --; Briggs & Stratton 14 Horsepower Engines , Gap 0.030 in , Plug Type Number RC12YC |
| 2009 | Husqvarna | HUV 4421 G | — | Briggs & Stratton 14 Horsepower Engine(s), Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2009 | Husqvarna | HUV 4421 G | — | Briggs & Stratton 14 Horsepower Engines , Gap 0.030 in , Plug Type Number RC12YC |
| 2009 | Husqvarna | HUV 4421 GXL | — | Briggs & Stratton 14 Horsepower Engine(s), Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2009 | Husqvarna | HUV 4421 GXL | — | Briggs & Stratton 14 Horsepower Engines , Gap 0.030 in , Plug Type Number RC12YC |
| 2009 | Husqvarna | HUV 4421 GXP | — | Briggs & Stratton 14 Horsepower Engine(s), Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2009 | Husqvarna | HUV 4421 GXP | — | Briggs & Stratton 14 Horsepower Engines , Gap 0.030 in , Plug Type Number RC12YC |
| 2006 | Hyundai | Azera | — | Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2007–2011 | Hyundai | Azera | — | Engine: 3.8 V6; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2006 | Hyundai | Azera | — | Gap 0.044 in , Plug Type Number RC12YC |
| 2007–2011 | Hyundai | Azera | — | Engine: 3.8 V6; Gap 0.044 in , Plug Type Number RC12YC |
| 2001–2005 | Hyundai | Santa Fe | — | Engine: 2.7 V6; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2005 | Hyundai | Santa Fe | — | Engine: 2.7 V6; Gap 0.044 in , Plug Type Number RC12YC |
| 1999–2001 | Hyundai | Sonata | — | Engine: 2.5 V6; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1999–2001 | Hyundai | Sonata | — | Engine: 2.5 V6; Gap 0.044 in , Plug Type Number RC12YC |
| 1997 | Hyundai | Tiburon | — | Engine: 1.8 L4; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1997 | Hyundai | Tiburon | — | Engine: 1.8 L4; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1999–2000 | INFINITI | QX4 | — | Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1999–2000 | INFINITI | QX4 | — | Gap 0.040 in , Plug Type Number RC12YC |
| 1997–1998 | INFINITI | QX4 | — | OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1997–1998 | INFINITI | QX4 | — | OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 2002–2003 | Isuzu | Axiom | — | Gap 0.042 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2003 | Isuzu | Axiom | — | Gap 0.042 in , Plug Type Number RC12YC |
| 1992 | Isuzu | Impulse | — | Engine: 1.6 L4; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1992 | Isuzu | Impulse | — | Engine: 1.6 L4; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2001–2002 | Isuzu | Rodeo | — | Engine: 3.2 V6; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2002 | Isuzu | Rodeo | — | Engine: 3.2 V6; Gap 0.040 in , Plug Type Number RC12YC |
| 1996–2000, 2003–2004 | Isuzu | Rodeo | — | Engine: 3.2 V6; Gap 0.042 (in), Boxed Product, Plug Type Number RC12YC |
| 1996–2000, 2003–2004 | Isuzu | Rodeo | — | Engine: 3.2 V6; Gap 0.042 in , Plug Type Number RC12YC |
| 2001–2002 | Isuzu | Rodeo | — | Engine: 2.2 L4; OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2002 | Isuzu | Rodeo | — | Engine: 2.2 L4; OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 1998–2000 | Isuzu | Rodeo | — | Engine: 2.2 L4; OE Type, Gap 0.042 (in), Boxed Product, Plug Type Number RC12YC |
| 1998–2000 | Isuzu | Rodeo | — | Engine: 2.2 L4; OE Type, Gap 0.042 in , Plug Type Number RC12YC |
| 2001–2002 | Isuzu | Rodeo Sport | — | Engine: 2.2 L4; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2003 | Isuzu | Rodeo Sport | — | Engine: 3.2 V6; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2002 | Isuzu | Rodeo Sport | — | Engine: 2.2 L4; Gap 0.040 in , Plug Type Number RC12YC |
| 2001–2003 | Isuzu | Rodeo Sport | — | Engine: 3.2 V6; Gap 0.040 in , Plug Type Number RC12YC |
| 2003–2008 | Jaguar | S-Type | — | Engine: 4.2 V8; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2003–2008 | Jaguar | S-Type | — | Engine: 4.2 V8; Gap 0.040 in , Plug Type Number RC12YC |
| 2004–2009 | Jaguar | Vanden Plas | — | Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2004–2009 | Jaguar | Vanden Plas | — | Gap 0.040 in , Plug Type Number RC12YC |
| 1996 | Jaguar | Vanden Plas | — | Engine VIN: 2; OE Type, Gap 0.035 (in), Boxed Product, Plug Type Number RC12YC |
| 1996 | Jaguar | Vanden Plas | — | Engine VIN: 2; OE Type, Gap 0.035 in , Plug Type Number RC12YC |
| 1997 | Jaguar | XJ6 | — | OE Type, Gap 0.035 (in), Boxed Product, Plug Type Number RC12YC |
| 1996 | Jaguar | XJ6 | — | Engine VIN: 2; OE Type, Gap 0.035 (in), Boxed Product, Plug Type Number RC12YC |
| 1997 | Jaguar | XJ6 | — | OE Type, Gap 0.035 in , Plug Type Number RC12YC |
| 1996 | Jaguar | XJ6 | — | Engine VIN: 2; OE Type, Gap 0.035 in , Plug Type Number RC12YC |
| 2000–2009 | Jaguar | XJ8 | — | Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2009 | Jaguar | XJ8 | — | Gap 0.040 in , Plug Type Number RC12YC |
| 2004–2009 | Jaguar | XJR | — | Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2004–2009 | Jaguar | XJR | — | Gap 0.040 in , Plug Type Number RC12YC |
| 2000–2006 | Jaguar | XK8 | — | Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2006 | Jaguar | XK8 | — | Gap 0.040 in , Plug Type Number RC12YC |
| 2007–2009 | Jaguar | XKR | — | Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2007–2009 | Jaguar | XKR | — | Gap 0.040 in , Plug Type Number RC12YC |
| 1993–1996 | Jeep | Grand Cherokee | — | Engine: 5.2 V8; OE Type, Gap 0.035 (in), Boxed Product, Plug Type Number RC12YC |
| 1993–1996 | Jeep | Grand Cherokee | — | Engine: 5.2 V8; OE Type, Gap 0.035 in , Plug Type Number RC12YC |
| 1990–1991 | Jeep | Grand Wagoneer | — | Gap 0.035 (in), Actual OE Part, Boxed Product, Plug Type Number RC12YC |
| 1990–1991 | Jeep | Grand Wagoneer | — | Gap 0.035 in , Actual OE Part, Plug Type Number RC12YC |
| 1993 | Jeep | Grand Wagoneer | — | OE Type, Gap 0.035 (in), Boxed Product, Plug Type Number RC12YC |
| 1993 | Jeep | Grand Wagoneer | — | OE Type, Gap 0.035 in , Plug Type Number RC12YC |
| 2012–2015 | John Deere | Gator XUV 550 | — | Engine: - --; Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2012–2015 | John Deere | Gator XUV 550 | — | Engine: - --; Gap 0.030 in , Plug Type Number RC12YC |
| 2012–2015 | John Deere | Gator XUV 550 S4 | — | Engine: - --; OE Type, Gap 0.030 (in), Boxed Product, Plug Type Number RC12YC |
| 2012–2015 | John Deere | Gator XUV 550 S4 | — | Engine: - --; OE Type, Gap 0.030 in , Plug Type Number RC12YC |
| 2007–2008 | Kia | Magentis | — | Engine: 2.4 L4; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2007–2008 | Kia | Magentis | — | Engine: 2.4 L4; Gap 0.040 in , Plug Type Number RC12YC |
| 2001 | Kia | Magentis | — | Engine: 2.5 V6; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2004 | Kia | Magentis | — | Engine: 2.7 V6; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2001 | Kia | Magentis | — | Engine: 2.5 V6; Gap 0.044 in , Plug Type Number RC12YC |
| 2002–2004 | Kia | Magentis | — | Engine: 2.7 V6; Gap 0.044 in , Plug Type Number RC12YC |
| 2006–2011 | Kia | Rio | — | Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2006–2011 | Kia | Rio | — | Gap 0.044 in , Plug Type Number RC12YC |
| 2001–2002 | Kia | Rio | — | OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2002 | Kia | Rio | — | OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2007–2011 | Kia | Rio5 | — | Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2007–2011 | Kia | Rio5 | — | Gap 0.044 in , Plug Type Number RC12YC |
| 2006 | Kia | Rio5 | — | OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2006 | Kia | Rio5 | — | OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2007–2008 | Kia | Rondo | — | Engine: 2.4 L4; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2007–2008 | Kia | Rondo | — | Engine: 2.4 L4; Gap 0.040 in , Plug Type Number RC12YC |
| 2006–2010 | Kia | Sedona | — | Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2006–2010 | Kia | Sedona | — | Gap 0.044 in , Plug Type Number RC12YC |
| 1995 | Kia | Sportage | — | Cylinder Head Type: SOHC; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1995 | Kia | Sportage | — | Cylinder Head Type: SOHC; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2000–2002 | Land Rover | Discovery | — | Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1999 | Land Rover | Discovery | — | Sub Model: Series II; Gap 0.040 (in), Fourth Digit of VIN Is T, Boxed Product, Plug Type Number RC12YC |
| 2000–2002 | Land Rover | Discovery | — | Gap 0.040 in , Plug Type Number RC12YC |
| 1999 | Land Rover | Discovery | — | Sub Model: Series II; VIN # T, 4th Digit, Gap 0.040 in , Plug Type Number RC12YC |
| 2005–2009 | Land Rover | LR3 | — | Engine: 4.4 V8; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2005–2009 | Land Rover | LR3 | — | Engine: 4.4 V8; Gap 0.040 in , Plug Type Number RC12YC |
| 1999–2000 | Land Rover | Range Rover | — | Engine: 4.0 V8; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2006–2009 | Land Rover | Range Rover | — | Engine: 4.2 V8; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2002 | Land Rover | Range Rover | — | Gap 0.040 (in), Twin Spark Ignition System, Boxed Product, Plug Type Number RC12YC |
| 1999–2000 | Land Rover | Range Rover | — | Engine: 4.0 V8; Gap 0.040 in , Plug Type Number RC12YC |
| 2006–2009 | Land Rover | Range Rover | — | Engine: 4.2 V8; Gap 0.040 in , Plug Type Number RC12YC |
| 2002 | Land Rover | Range Rover | — | Gap 0.040 in , Twin Spark Ignition System, Plug Type Number RC12YC |
| 2006–2009 | Land Rover | Range Rover Sport | — | Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2006–2009 | Land Rover | Range Rover Sport | — | Gap 0.040 in , Plug Type Number RC12YC |
| 2004–2005 | Mazda | Miata | — | Aspiration: Turbo; Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 2004–2005 | Mazda | Miata | — | Aspiration: Turbo; Gap 0.032 in , Plug Type Number RC12YC |
| 1990–1993 | Mazda | Miata | — | OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1990–1993 | Mazda | Miata | — | OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1995–1998 | Mazda | Protege | — | Engine: 1.5 L4; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1995–1998 | Mazda | Protege | — | Engine: 1.5 L4; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2002–2003 | Mazda | Protege5 | — | OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2003 | Mazda | Protege5 | — | OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1990–1993 | Mercedes-Benz | 300CE | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1990–1993 | Mercedes-Benz | 300CE | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 300E | — | Engine: 2.8 L6; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 300E | — | Engine: 3.2 L6; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 300E | — | Engine: 2.8 L6; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 300E | — | Engine: 3.2 L6; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1992–1993 | Mercedes-Benz | 300SE | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1992–1993 | Mercedes-Benz | 300SE | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1990–1993 | Mercedes-Benz | 300SL | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1990–1993 | Mercedes-Benz | 300SL | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 300TE | — | Engine: 3.2 L6; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 300TE | — | Engine: 3.2 L6; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1992–1993 | Mercedes-Benz | 400E | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1992–1993 | Mercedes-Benz | 400E | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1992 | Mercedes-Benz | 400SE | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1992 | Mercedes-Benz | 400SE | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 400SEL | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 400SEL | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1992–1993 | Mercedes-Benz | 500E | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1992–1993 | Mercedes-Benz | 500E | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 500SEC | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 500SEC | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1992–1993 | Mercedes-Benz | 500SEL | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1992–1993 | Mercedes-Benz | 500SEL | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1990–1993 | Mercedes-Benz | 500SL | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1990–1993 | Mercedes-Benz | 500SL | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 600SEC | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 600SEC | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1992–1993 | Mercedes-Benz | 600SEL | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1992–1993 | Mercedes-Benz | 600SEL | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 600SL | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1993 | Mercedes-Benz | 600SL | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1994–1996 | Mercedes-Benz | C220 | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1994–1996 | Mercedes-Benz | C220 | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1997 | Mercedes-Benz | C230 | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1997 | Mercedes-Benz | C230 | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2002–2005 | Mercedes-Benz | C240 | — | 2 Plugs Per Cylinder Required, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2005 | Mercedes-Benz | C240 | — | 2 Plugs Per Cylinder Required, Gap 0.040 in , Plug Type Number RC12YC |
| 2001 | Mercedes-Benz | C240 | — | 2 Plugs Per Cylinder Required, OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2001 | Mercedes-Benz | C240 | — | 2 Plugs Per Cylinder Required, OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 1998–2000 | Mercedes-Benz | C280 | — | 2 Plugs Per Cylinder Required, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1998–2000 | Mercedes-Benz | C280 | — | 2 Plugs Per Cylinder Required, Gap 0.040 in , Plug Type Number RC12YC |
| 1994–1997 | Mercedes-Benz | C280 | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1994–1997 | Mercedes-Benz | C280 | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2001–2005 | Mercedes-Benz | C320 | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2005 | Mercedes-Benz | C320 | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 1995–1997 | Mercedes-Benz | C36 AMG | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1995–1997 | Mercedes-Benz | C36 AMG | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1998–2000 | Mercedes-Benz | C43 AMG | — | 2 Plugs Per Cylinder Required, OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1998–2000 | Mercedes-Benz | C43 AMG | — | 2 Plugs Per Cylinder Required, OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2000–2006 | Mercedes-Benz | CL500 | — | 2 Plugs Per Cylinder Required, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2006 | Mercedes-Benz | CL500 | — | 2 Plugs Per Cylinder Required, Gap 0.040 in , Plug Type Number RC12YC |
| 1998–1999 | Mercedes-Benz | CL500 | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1998–1999 | Mercedes-Benz | CL500 | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2001–2002 | Mercedes-Benz | CL55 AMG | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2002 | Mercedes-Benz | CL55 AMG | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 1998–1999 | Mercedes-Benz | CL600 | — | 2 Plugs Per Cylinder Required, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1998–1999 | Mercedes-Benz | CL600 | — | 2 Plugs Per Cylinder Required, Gap 0.032 in , Plug Type Number RC12YC |
| 1998–2005 | Mercedes-Benz | CLK320 | — | 2 Plugs Per Cylinder Required, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1998–2005 | Mercedes-Benz | CLK320 | — | 2 Plugs Per Cylinder Required, Gap 0.040 in , Plug Type Number RC12YC |
| 1999–2003 | Mercedes-Benz | CLK430 | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 1999–2003 | Mercedes-Benz | CLK430 | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 2003–2006 | Mercedes-Benz | CLK500 | — | 2 Plugs Per Cylinder Required, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2003–2006 | Mercedes-Benz | CLK500 | — | 2 Plugs Per Cylinder Required, Gap 0.040 in , Plug Type Number RC12YC |
| 2001–2002 | Mercedes-Benz | CLK55 AMG | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2002 | Mercedes-Benz | CLK55 AMG | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 2006 | Mercedes-Benz | CLS500 | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2006 | Mercedes-Benz | CLS500 | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 1998–2004 | Mercedes-Benz | E320 | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2005 | Mercedes-Benz | E320 | — | Engine: 3.2 V6; 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 1998–2004 | Mercedes-Benz | E320 | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 2005 | Mercedes-Benz | E320 | — | Engine: 3.2 V6; 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 1994–1997 | Mercedes-Benz | E320 | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1994–1997 | Mercedes-Benz | E320 | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1994–1995, 1997 | Mercedes-Benz | E420 | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1994–1995, 1997 | Mercedes-Benz | E420 | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1998–2002 | Mercedes-Benz | E430 | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 1998–2002 | Mercedes-Benz | E430 | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 2003, 2005–2006 | Mercedes-Benz | E500 | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2003, 2005–2006 | Mercedes-Benz | E500 | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 2004 | Mercedes-Benz | E500 | — | Engine ID: 113.967; 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 2004 | Mercedes-Benz | E500 | — | 2 Plugs Per Cylinder Required, OE Type, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2004 | Mercedes-Benz | E500 | — | Engine ID: 113.969; 2 Plugs Per Cylinder Required, OE Type, Gap 0.039 in , Plug Type Number RC12YC |
| 1994 | Mercedes-Benz | E500 | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1994 | Mercedes-Benz | E500 | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2002–2008 | Mercedes-Benz | G500 | — | 2 Plugs Per Cylinder Required, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2008 | Mercedes-Benz | G500 | — | 2 Plugs Per Cylinder Required, Gap 0.040 in , Plug Type Number RC12YC |
| 2003–2004 | Mercedes-Benz | G55 AMG | — | 2 Plugs Per Cylinder Required, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2003–2004 | Mercedes-Benz | G55 AMG | — | 2 Plugs Per Cylinder Required, Gap 0.040 in , Plug Type Number RC12YC |
| 1998–2003 | Mercedes-Benz | ML320 | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 1998–2003 | Mercedes-Benz | ML320 | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 2003–2005 | Mercedes-Benz | ML350 | — | 2 Plugs Per Cylinder Required, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2003–2005 | Mercedes-Benz | ML350 | — | 2 Plugs Per Cylinder Required, Gap 0.040 in , Plug Type Number RC12YC |
| 1999–2001 | Mercedes-Benz | ML430 | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 1999–2001 | Mercedes-Benz | ML430 | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 2002–2007 | Mercedes-Benz | ML500 | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2007 | Mercedes-Benz | ML500 | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 2000–2003 | Mercedes-Benz | ML55 AMG | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2001 | Mercedes-Benz | ML55 AMG | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 2002–2003 | Mercedes-Benz | ML55 AMG | — | Engine: 5.5 V8; 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 2006–2007 | Mercedes-Benz | R500 | — | 2 Plugs Per Cylinder Required, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2006–2007 | Mercedes-Benz | R500 | — | 2 Plugs Per Cylinder Required, Gap 0.040 in , Plug Type Number RC12YC |
| 1994–1999 | Mercedes-Benz | S320 | — | Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1994–1999 | Mercedes-Benz | S320 | — | Gap 0.032 in , Plug Type Number RC12YC |
| 1994–1999 | Mercedes-Benz | S420 | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1994–1999 | Mercedes-Benz | S420 | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2000–2006 | Mercedes-Benz | S430 | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2006 | Mercedes-Benz | S430 | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 2000–2006 | Mercedes-Benz | S500 | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2006 | Mercedes-Benz | S500 | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 1998–1999 | Mercedes-Benz | S500 | — | Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 1998–1999 | Mercedes-Benz | S500 | — | Gap 0.039 in , Plug Type Number RC12YC |
| 1994–1997 | Mercedes-Benz | S500 | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1994–1997 | Mercedes-Benz | S500 | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2001–2002 | Mercedes-Benz | S55 AMG | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2002 | Mercedes-Benz | S55 AMG | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 1994–1999 | Mercedes-Benz | S600 | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1994–1999 | Mercedes-Benz | S600 | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1994–1997 | Mercedes-Benz | SL320 | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1994–1997 | Mercedes-Benz | SL320 | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1999–2006 | Mercedes-Benz | SL500 | — | 2 Plugs Per Cylinder Required, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1999–2006 | Mercedes-Benz | SL500 | — | 2 Plugs Per Cylinder Required, Gap 0.040 in , Plug Type Number RC12YC |
| 1994–1998 | Mercedes-Benz | SL500 | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1994–1998 | Mercedes-Benz | SL500 | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1994–1997 | Mercedes-Benz | SL600 | — | Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1994–1997 | Mercedes-Benz | SL600 | — | Gap 0.032 in , Plug Type Number RC12YC |
| 1998–2002 | Mercedes-Benz | SL600 | — | Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 1998–2002 | Mercedes-Benz | SL600 | — | Gap 0.039 in , Plug Type Number RC12YC |
| 2001–2004 | Mercedes-Benz | SLK320 | — | 2 Plugs Per Cylinder Required, Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2004 | Mercedes-Benz | SLK320 | — | 2 Plugs Per Cylinder Required, Gap 0.039 in , Plug Type Number RC12YC |
| 1991–1994 | Mercury | Capri | — | OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1991–1994 | Mercury | Capri | — | OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1993–1998 | Mercury | Villager | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1993–1998 | Mercury | Villager | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2004–2005 | Mitsubishi | Eclipse | — | Sub Model: GT; Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 2004–2005 | Mitsubishi | Eclipse | — | Sub Model: Spyder GT; Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 2004–2005 | Mitsubishi | Eclipse | — | Sub Model: GT; Gap 0.032 in , Plug Type Number RC12YC |
| 2004–2005 | Mitsubishi | Eclipse | — | Sub Model: Spyder GT; Gap 0.032 in , Plug Type Number RC12YC |
| 2003 | Mitsubishi | Eclipse | — | Sub Model: GT; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2003 | Mitsubishi | Eclipse | — | Sub Model: GT; Gap 0.044 in , Plug Type Number RC12YC |
| 1996–1999 | Mitsubishi | Eclipse | — | Cylinder Head Type: SOHC; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2005 | Mitsubishi | Eclipse | — | Engine: 2.4 L4; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1996–1999 | Mitsubishi | Eclipse | — | Cylinder Head Type: SOHC; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2000–2005 | Mitsubishi | Eclipse | — | Engine: 2.4 L4; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1992–1994 | Mitsubishi | Expo LRV | — | OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1992–1994 | Mitsubishi | Expo LRV | — | OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1993 | Mitsubishi | Galant | — | Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1992 | Mitsubishi | Galant | — | Cylinder Head Type: SOHC; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1993 | Mitsubishi | Galant | — | Gap 0.044 in , Plug Type Number RC12YC |
| 1992 | Mitsubishi | Galant | — | Cylinder Head Type: SOHC; Gap 0.044 in , Plug Type Number RC12YC |
| 2009–2010 | Mitsubishi | Lancer | — | Engine: 2.4 L4; Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 2009–2010 | Mitsubishi | Lancer | — | Engine: 2.4 L4; Gap 0.032 in , Plug Type Number RC12YC |
| 2008–2010 | Mitsubishi | Outlander | — | Engine: 2.4 L4; Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 2008–2010 | Mitsubishi | Outlander | — | Engine: 2.4 L4; Gap 0.032 in , Plug Type Number RC12YC |
| 2015–2020 | Mitsubishi | Outlander Sport | — | Engine: 2.4 L4; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2015–2020 | Mitsubishi | Outlander Sport | — | Engine: 2.4 L4; Gap 0.044 in , Plug Type Number RC12YC |
| 2015–2017 | Mitsubishi | RVR | — | Engine: 2.4 L4; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2015–2017 | Mitsubishi | RVR | — | Engine: 2.4 L4; Gap 0.044 in , Plug Type Number RC12YC |
| 1984–1986 | Nissan | 200SX | Exhaust Side | 2 Plugs Per Cylinder Required, OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1987 | Nissan | 200SX | Exhaust Side | Engine: 1.8 L4; 2 Plugs Per Cylinder Required, OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1987–1988 | Nissan | 200SX | Exhaust Side | Engine: 2.0 L4; 2 Plugs Per Cylinder Required, OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1984–1986 | Nissan | 200SX | Exhaust Side | 2 Plugs Per Cylinder Required, OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1987 | Nissan | 200SX | Exhaust Side | Engine: 1.8 L4; 2 Plugs Per Cylinder Required, OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1987–1988 | Nissan | 200SX | Exhaust Side | Engine: 2.0 L4; 2 Plugs Per Cylinder Required, OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1995–1998 | Nissan | 200SX | — | Engine: 1.6 L4; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1987–1988 | Nissan | 200SX | — | Engine: 3.0 V6; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1995–1998 | Nissan | 200SX | — | Engine: 1.6 L4; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1987–1988 | Nissan | 200SX | — | Engine: 3.0 V6; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1999–2000 | Nissan | Frontier | — | Engine: 3.3 V6; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1999–2000 | Nissan | Frontier | — | Engine: 3.3 V6; Gap 0.040 in , Plug Type Number RC12YC |
| 1986–1988 | Nissan | Multi | Exhaust Side | 2 Plugs Per Cylinder Required, OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1986–1988 | Nissan | Multi | Exhaust Side | 2 Plugs Per Cylinder Required, OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2000 | Nissan | Pathfinder | — | Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2000 | Nissan | Pathfinder | — | Gap 0.040 in , Plug Type Number RC12YC |
| 1996–1999 | Nissan | Pathfinder | — | OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1996–1999 | Nissan | Pathfinder | — | OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 1995 | Nissan | Pickup | — | Engine: 3.0 V6; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1995 | Nissan | Pickup | — | Engine: 3.0 V6; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1999–2000 | Nissan | Quest | — | Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1999–2000 | Nissan | Quest | — | Gap 0.040 in , Plug Type Number RC12YC |
| 1993–1998 | Nissan | Quest | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1993–1998 | Nissan | Quest | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2000 | Nissan | Xterra | — | Engine: 2.4 L4; Gap 0.039 (in), Boxed Product, Plug Type Number RC12YC |
| 2000 | Nissan | Xterra | — | Engine: 2.4 L4; Gap 0.039 in , Plug Type Number RC12YC |
| 2000 | Nissan | Xterra | — | Engine: 3.3 V6; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2000 | Nissan | Xterra | — | Engine: 3.3 V6; Gap 0.040 in , Plug Type Number RC12YC |
| 1992–1994 | Oldsmobile | Achieva | — | Cylinder Head Type: DOHC; OE Type, Gap 0.035 (in), Boxed Product, Plug Type Number RC12YC |
| 1992–1994 | Oldsmobile | Achieva | — | Cylinder Head Type: DOHC; OE Type, Gap 0.035 in , Plug Type Number RC12YC |
| 1992–1994 | Plymouth | Colt | — | Engine: 1.8 L4; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1992–1994 | Plymouth | Colt | — | Engine: 1.8 L4; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1998–1999 | Polaris | Big Boss 500 6x6 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 1998–1999 | Polaris | Big Boss 500 6x6 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2006 | Polaris | Magnum 330 4x4 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2006 | Polaris | Magnum 330 4x4 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 1995–1998 | Polaris | Magnum 425 2x4 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 1995–1998 | Polaris | Magnum 425 2x4 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 1995–1998 | Polaris | Magnum 425 4x4 | — | Engine: - --; Gap 0.025 (in), Boxed Product, Plug Type Number RC12YC |
| 1995–1998 | Polaris | Magnum 425 4x4 | — | Engine: - --; Gap 0.025 in , Plug Type Number RC12YC |
| 1996–1997 | Polaris | Magnum 425 6x6 | — | Engine: - --; Gap 0.025 (in), Boxed Product, Plug Type Number RC12YC |
| 1996–1997 | Polaris | Magnum 425 6x6 | — | Engine: - --; Gap 0.025 in , Plug Type Number RC12YC |
| 2002 | Polaris | Magnum 500 2x4 | — | Engine: - --; Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2002 | Polaris | Magnum 500 2x4 | — | Engine: - --; Gap 0.028 in , Plug Type Number RC12YC |
| 1999–2003 | Polaris | Magnum 500 4x4 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 1999–2003 | Polaris | Magnum 500 4x4 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2006 | Polaris | Outlaw 500 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2006 | Polaris | Outlaw 500 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2006–2007 | Polaris | Predator 500 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2006–2007 | Polaris | Predator 500 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2001 | Polaris | Ranger 2x4 425 | — | Engine: - --; Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2001 | Polaris | Ranger 2x4 425 | — | Engine: - --; Gap 0.028 in , Plug Type Number RC12YC |
| 2002–2004 | Polaris | Ranger 2x4 425 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2004 | Polaris | Ranger 2x4 425 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2005–2009 | Polaris | Ranger 2x4 500 | — | Engine: - --; OE Type, Gap 0.036 (in), Boxed Product, Plug Type Number RC12YC |
| 2005–2009 | Polaris | Ranger 2x4 500 | — | Engine: - --; OE Type, Gap 0.036 in , Plug Type Number RC12YC |
| 2005–2006 | Polaris | Ranger 4x4 500 | — | Engine: - --; OE Type, Gap 0.025 (in), Boxed Product, Plug Type Number RC12YC |
| 2005–2006 | Polaris | Ranger 4x4 500 | — | Engine: - --; OE Type, Gap 0.025 in , Plug Type Number RC12YC |
| 2001–2004 | Polaris | Ranger 4x4 500 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2004 | Polaris | Ranger 4x4 500 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2007 | Polaris | Ranger 4x4 500 | — | Engine: - --; OE Type, Gap 0.036 (in), Boxed Product, Plug Type Number RC12YC |
| 2007 | Polaris | Ranger 4x4 500 | — | Engine: - --; OE Type, Gap 0.036 in , Plug Type Number RC12YC |
| 2006–2010 | Polaris | Ranger 4x4 500 EFI | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2006–2010 | Polaris | Ranger 4x4 500 EFI | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 1998–2005 | Polaris | Ranger 6x6 500 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 1998–2005 | Polaris | Ranger 6x6 500 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2005 | Polaris | Sportsman 400 | — | Engine: - --; Gap 0.035 (in), Boxed Product, Plug Type Number RC12YC |
| 2005 | Polaris | Sportsman 400 | — | Engine: - --; Gap 0.035 in , Plug Type Number RC12YC |
| 2001–2004 | Polaris | Sportsman 400 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2004 | Polaris | Sportsman 400 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2006–2007 | Polaris | Sportsman 450 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2006–2007 | Polaris | Sportsman 450 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 1996–2000 | Polaris | Sportsman 500 4x4 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 1996–2000 | Polaris | Sportsman 500 4x4 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2000–2002 | Polaris | Sportsman 500 6x6 | — | Engine: - --; OE Type, Gap 0.025 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2002 | Polaris | Sportsman 500 6x6 | — | Engine: - --; OE Type, Gap 0.025 in , Plug Type Number RC12YC |
| 2003–2008 | Polaris | Sportsman 500 6x6 | — | Engine: - --; OE Type, Gap 0.036 (in), Boxed Product, Plug Type Number RC12YC |
| 2003–2008 | Polaris | Sportsman 500 6x6 | — | Engine: - --; OE Type, Gap 0.036 in , Plug Type Number RC12YC |
| 2009–2010 | Polaris | Sportsman 500 EFI Touring | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2009–2010 | Polaris | Sportsman 500 EFI Touring | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2010–2011 | Polaris | Sportsman 550 EFI | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2010–2011 | Polaris | Sportsman 550 EFI | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2010–2011 | Polaris | Sportsman 550 EFI Touring w/ EPS | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2010–2011 | Polaris | Sportsman 550 EFI Touring w/ EPS | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2010–2011 | Polaris | Sportsman 550 X2 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2010–2011 | Polaris | Sportsman 550 X2 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2008–2011 | Polaris | Trail Blazer 330 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2008–2011 | Polaris | Trail Blazer 330 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2012–2013 | Polaris | Trail Boss 330 | — | Engine: - --; Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2012–2013 | Polaris | Trail Boss 330 | — | Engine: - --; Gap 0.028 in , Plug Type Number RC12YC |
| 2003–2011 | Polaris | Trail Boss 330 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2003–2011 | Polaris | Trail Boss 330 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 1999 | Polaris | Worker 500 | — | Engine: - --; OE Type, Gap 0.036 (in), Boxed Product, Plug Type Number RC12YC |
| 1999 | Polaris | Worker 500 | — | Engine: - --; OE Type, Gap 0.036 in , Plug Type Number RC12YC |
| 2007 | Polaris | X2 500 EFI | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2007 | Polaris | X2 500 EFI | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2000–2002 | Polaris | Xpedition 425 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2002 | Polaris | Xpedition 425 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 1997 | Polaris | Xplorer 500 4x4 | — | Engine: - --; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 1997 | Polaris | Xplorer 500 4x4 | — | Engine: - --; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 2000–2002 | Rolls-Royce | Corniche | — | Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2002 | Rolls-Royce | Corniche | — | Gap 0.040 in , Plug Type Number RC12YC |
| 2001–2003 | Saturn | LW300 | — | OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2001–2003 | Saturn | LW300 | — | OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 1991–1992 | Saturn | SC | — | OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1991–1992 | Saturn | SC | — | OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 1993–2002 | Saturn | SC2 | — | Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1993–2002 | Saturn | SC2 | — | Gap 0.040 in , Plug Type Number RC12YC |
| 1991–2002 | Saturn | SL2 | — | OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1991–2002 | Saturn | SL2 | — | OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 1993–2001 | Saturn | SW2 | — | OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 1993–2001 | Saturn | SW2 | — | OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 1998 | Subaru | Forester | — | Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2005–2010 | Subaru | Forester | — | Aspiration: Normal; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1998 | Subaru | Forester | — | Gap 0.044 in , Plug Type Number RC12YC |
| 2005–2010 | Subaru | Forester | — | Aspiration: Normal; Gap 0.044 in , Plug Type Number RC12YC |
| 2000–2003 | Subaru | Forester | — | OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2004 | Subaru | Forester | — | Aspiration: Normal; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2003 | Subaru | Forester | — | OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2004 | Subaru | Forester | — | Aspiration: Normal; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2005–2011 | Subaru | Impreza | — | Aspiration: Normal; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1998 | Subaru | Impreza | — | Engine: 2.5 H4; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2005–2011 | Subaru | Impreza | — | Aspiration: Normal; Gap 0.044 in , Plug Type Number RC12YC |
| 1998 | Subaru | Impreza | — | Engine: 2.5 H4; Gap 0.044 in , Plug Type Number RC12YC |
| 2004 | Subaru | Impreza | — | Aspiration: Normal; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2000–2003 | Subaru | Impreza | — | Engine: 2.5 H4; OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2004 | Subaru | Impreza | — | Aspiration: Normal; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2000–2003 | Subaru | Impreza | — | Engine: 2.5 H4; OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 2008–2009 | Subaru | Legacy | — | Aspiration: Normal; Engine: 2.5 H4; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2005–2007 | Subaru | Legacy | — | Aspiration: Normal; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 1996–1999 | Subaru | Legacy | — | Engine: 2.5 H4; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2008–2009 | Subaru | Legacy | — | Aspiration: Normal; Engine: 2.5 H4; Gap 0.044 in , Plug Type Number RC12YC |
| 2005–2007 | Subaru | Legacy | — | Aspiration: Normal; Gap 0.044 in , Plug Type Number RC12YC |
| 1996–1999 | Subaru | Legacy | — | Engine: 2.5 H4; Gap 0.044 in , Plug Type Number RC12YC |
| 2005–2009 | Subaru | Outback | — | Aspiration: Normal; Engine: 2.5 H4; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2005–2009 | Subaru | Outback | — | Aspiration: Normal; Engine: 2.5 H4; Gap 0.044 in , Plug Type Number RC12YC |
| 2002–2007 | Suzuki | Aerio | — | Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2007 | Suzuki | Aerio | — | Gap 0.044 in , Plug Type Number RC12YC |
| 1995–2000 | Suzuki | Esteem | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1995–2000 | Suzuki | Esteem | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2002–2005 | Suzuki | Grand Vitara | — | Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2001 | Suzuki | Grand Vitara | — | Engine: 2.5 V6; Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2002–2005 | Suzuki | Grand Vitara | — | Gap 0.044 in , Plug Type Number RC12YC |
| 2001 | Suzuki | Grand Vitara | — | Engine: 2.5 V6; Gap 0.044 in , Plug Type Number RC12YC |
| 2000 | Suzuki | Grand Vitara | — | OE Type, Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2000 | Suzuki | Grand Vitara | — | OE Type, Gap 0.044 in , Plug Type Number RC12YC |
| 1996–1998 | Suzuki | Sidekick | — | Engine: 1.8 L4; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1996–1998 | Suzuki | Sidekick | — | Engine: 1.8 L4; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1992–1993 | Suzuki | Swift | — | Engine: 1.6 L4; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1992–1993 | Suzuki | Swift | — | Engine: 1.6 L4; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2004 | Suzuki | Vitara | — | Gap 0.044 (in), Boxed Product, Plug Type Number RC12YC |
| 2004 | Suzuki | Vitara | — | Gap 0.044 in , Plug Type Number RC12YC |
| 1996–1998 | Suzuki | X-90 | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1996–1998 | Suzuki | X-90 | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1988–1995 | Toyota | 4Runner | — | Engine: 3.0 V6; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1988–1995 | Toyota | 4Runner | — | Engine: 3.0 V6; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1988–1989 | Toyota | Celica | — | Aspiration: Turbo; Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1990–1993 | Toyota | Celica | — | Engine: 2.0 L4; Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1988–1989 | Toyota | Celica | — | Aspiration: Turbo; Gap 0.032 in , Plug Type Number RC12YC |
| 1990–1993 | Toyota | Celica | — | Engine: 2.0 L4; Gap 0.032 in , Plug Type Number RC12YC |
| 1990–1993 | Toyota | Celica | — | Engine: 1.6 L4; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1994–1995 | Toyota | Celica | — | Engine: 1.8 L4; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1990–1993 | Toyota | Celica | — | Engine: 1.6 L4; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1994–1995 | Toyota | Celica | — | Engine: 1.8 L4; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1988–1991 | Toyota | Corolla | — | Engine ID: 4A-GE; Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1988–1991 | Toyota | Corolla | — | Engine ID: 4A-GE; Gap 0.032 in , Plug Type Number RC12YC |
| 2007–2008 | Toyota | Corolla | — | Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2005–2006 | Toyota | Corolla | — | Engine ID: 1ZZ-FE; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2007–2008 | Toyota | Corolla | — | Gap 0.043 in , Plug Type Number RC12YC |
| 2005–2006 | Toyota | Corolla | — | Engine ID: 1ZZ-FE; Gap 0.043 in , Plug Type Number RC12YC |
| 1992–1994 | Toyota | Corolla | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1990–1991 | Toyota | Corolla | — | Engine ID: 4A-FE; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1995–1997 | Toyota | Corolla | — | Engine: 1.6 L4; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1992–1994 | Toyota | Corolla | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1990–1991 | Toyota | Corolla | — | Engine ID: 4A-FE; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1995–1997 | Toyota | Corolla | — | Engine: 1.6 L4; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2013 | Toyota | Matrix | — | Engine: 2.4 L4; Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2013 | Toyota | Matrix | — | Engine: 2.4 L4; Gap 0.040 in , Plug Type Number RC12YC |
| 2007–2008 | Toyota | Matrix | — | Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2003–2006 | Toyota | Matrix | — | Engine ID: 1ZZ-FE; Gap 0.043 (in), Boxed Product, Plug Type Number RC12YC |
| 2007–2008 | Toyota | Matrix | — | Gap 0.043 in , Plug Type Number RC12YC |
| 2003–2006 | Toyota | Matrix | — | Engine ID: 1ZZ-FE; Gap 0.043 in , Plug Type Number RC12YC |
| 1991–1995 | Toyota | MR2 | — | Engine: 2.0 L4; Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1991–1995 | Toyota | MR2 | — | Engine: 2.0 L4; Gap 0.032 in , Plug Type Number RC12YC |
| 2001 | Volkswagen | Beetle | — | Engine ID: AEG; OE Type, Gap 0.040 (in), Boxed Product, Plug Type Number RC12YC |
| 2001 | Volkswagen | Beetle | — | Engine ID: AEG; OE Type, Gap 0.040 in , Plug Type Number RC12YC |
| 1995–2001 | Volkswagen | Cabrio | — | OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1995–2001 | Volkswagen | Cabrio | — | OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1993–1998 | Volkswagen | Golf | — | Engine: 1.8 L4; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1993–1998 | Volkswagen | Golf | — | Engine: 2.0 L4; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1993–1998 | Volkswagen | Golf | — | Engine: 1.8 L4; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1993–1998 | Volkswagen | Golf | — | Engine: 2.0 L4; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 2002 | Volkswagen | Jetta | — | Cylinder Head Type: SOHC; Engine: 2.8 V6; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 1997–2001 | Volkswagen | Jetta | — | Engine: 2.8 V6; OE Type, Gap 0.028 (in), Boxed Product, Plug Type Number RC12YC |
| 2002 | Volkswagen | Jetta | — | Cylinder Head Type: SOHC; Engine: 2.8 V6; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 1997–2001 | Volkswagen | Jetta | — | Engine: 2.8 V6; OE Type, Gap 0.028 in , Plug Type Number RC12YC |
| 1999 | Volkswagen | Jetta | — | Engine ID: ABA; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1993–1998 | Volkswagen | Jetta | — | Engine: 2.0 L4; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1999 | Volkswagen | Jetta | — | Engine ID: ABA; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1993–1998 | Volkswagen | Jetta | — | Engine: 2.0 L4; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
| 1995–1996 | Volkswagen | Passat | — | Engine: 2.0 L4; OE Type, Gap 0.032 (in), Boxed Product, Plug Type Number RC12YC |
| 1995–1996 | Volkswagen | Passat | — | Engine: 2.0 L4; OE Type, Gap 0.032 in , Plug Type Number RC12YC |
Source: supplier-verified applications for Champion CCH71. A vehicle not listed is not confirmed compatible.
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