Spark Plug 3951
Spark Plug 3951

NGK Spark Plug 3951

XPart Number XP10509058
$6
Available by special order
Buying Options: OEM Genuine

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Frequently Bought Together
AUTOMOTIVE PART

NGK Spark Plug 3951

Spark Plug, TR55 NGK, V-Power

Part 3951NGKSpark Plug
Match your exact vehicle configuration to the verified applications below.
Confirm the year, make, model, engine, drivetrain and required position before ordering.

Is This the Right Part?

Manufacturer Part Number3951
ManufacturerNGK
Part TypeSpark Plug

Part Details

Part Specifications

Center Electrode Core Material Copper
Center Electrode Tip Material Nickel
Electrical Terminal Type Non-Removable Nut
Ground Configuration J-Gap
Ground Electrode Core Material Nickel
Ground Electrode Quantity 1
Ground Electrode Tip Design Standard
Hex Size 5/8" (16mm)
Insulator Height 2.07 IN
Insulator Material Ceramic
Manufacturer Heat Range 5
Material Grade Nickel/Copper
Part Number TR55
Pre-Gap Size .060 IN
Prop65 NA
Reach 0.689 IN
Resistance 5000.0 82
Resistor Type Yes
Seat Type Tapered
Short Style Spark Plug No
Stock Number 3951
Thread Diameter 0.551 IN
Thread Diameter 14.0 MM

Verified Vehicle Fitment

Make: Aston Martin, Buick, Cadillac, Chevrolet, Ford, GMC, Isuzu, Lincoln, Mazda, Mercury, Oldsmobile, Pontiac
Model: 173 verified models — see exact combinations below.
Years: 1978–1979, 1982–2004, 2009–2011 — 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 (402 configuration groups)
Years Make Model Position Engine / transmission / notes
2002–2003 Aston Martin DB7 — Gap 0.052in
1997–2004 Buick Century — Gap 0.060in
1996 Buick Century — Engine: 3.1 V6; Gap 0.060in
1989–1993 Buick Century — Engine: 3.3 V6; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1994–1995 Buick Century — Engine: 3.1 V6; OE Equivalent Design, Gap 0.060in
1994–1996 Buick Commercial Chassis — Gap 0.050in
1990 Buick Electra — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1988–1989 Buick Electra — Engine: 3.8 V6; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1996–2004 Buick LeSabre — Gap 0.060in
1991–1995 Buick LeSabre — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1988 Buick LeSabre — Engine VIN: C; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1989–1990 Buick LeSabre — Engine: 3.8 V6; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1996–2004 Buick Park Avenue — Gap 0.060in
1991–1995 Buick Park Avenue — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1988–1991 Buick Reatta — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1996–2004 Buick Regal — Gap 0.060in
1994–1995 Buick Regal — Engine: 3.1 V6; Gap 0.060in
1990–1995 Buick Regal — Engine: 3.8 V6; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
2002–2003 Buick Rendezvous — Gap 0.060in
2004 Buick Rendezvous — Engine: 3.4 V6; Gap 0.060in
1996–1999 Buick Riviera — Gap 0.060in
1988–1993, 1995 Buick Riviera — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1994–1996 Buick Roadmaster — Gap 0.050in
1995 Buick Skylark — Engine: 2.3 L4; Gap 0.050in
1996–1998 Buick Skylark — Engine: 2.4 L4; Gap 0.060in
1994–1998 Buick Skylark — Engine: 3.1 V6; Gap 0.060in
1989–1993 Buick Skylark — Engine: 3.3 V6; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1993 Cadillac 60 Special — OE Equivalent Design, Gap 0.060in
1987–1991 Cadillac Allante — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1992–1993 Cadillac Allante — OE Equivalent Design, Gap 0.060in
1994–1996 Cadillac Commercial Chassis — Gap 0.050in
1986–1991 Cadillac Commercial Chassis — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1985 Cadillac Commercial Chassis — Engine: 4.1 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1992–1993 Cadillac Commercial Chassis — Engine: 4.9 V8; OE Equivalent Design, Gap 0.060in
1996–2004 Cadillac DeVille — Gap 0.050in
1994–1995 Cadillac DeVille — Engine: 4.6 V8; Gap 0.050in
1994–1995 Cadillac DeVille — Engine: 4.9 V8; Gap 0.060in
1986–1991 Cadillac DeVille — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1985 Cadillac DeVille — Engine: 4.1 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1992–1993 Cadillac DeVille — OE Equivalent Design, Gap 0.060in
1983–1984 Cadillac DeVille — Engine: 4.1 V8; OE Equivalent Design, Gap 0.060in
1982 Cadillac DeVille — Fuel Delivery Type: FI; Fuel Type: Gas; OE Equivalent Design, Gap 0.060in
1994–2002 Cadillac Eldorado — Gap 0.050in
1993 Cadillac Eldorado — Engine: 4.6 V8; Gap 0.050in
1986–1991 Cadillac Eldorado — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1985 Cadillac Eldorado — Engine: 4.1 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1992 Cadillac Eldorado — OE Equivalent Design, Gap 0.060in
1983–1984 Cadillac Eldorado — Engine: 4.1 V8; OE Equivalent Design, Gap 0.060in
1993 Cadillac Eldorado — Engine: 4.9 V8; OE Equivalent Design, Gap 0.060in
1982 Cadillac Eldorado — Fuel Delivery Type: FI; Fuel Type: Gas; OE Equivalent Design, Gap 0.060in
1999–2000 Cadillac Escalade — Gap 0.060in
1994–1996 Cadillac Fleetwood — Gap 0.050in
1987–1991 Cadillac Fleetwood — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1985–1986 Cadillac Fleetwood — Engine: 4.1 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1992 Cadillac Fleetwood — OE Equivalent Design, Gap 0.060in
1982 Cadillac Fleetwood — Engine VIN: 8; OE Equivalent Design, Gap 0.060in
1983–1984 Cadillac Fleetwood — Engine: 4.1 V8; OE Equivalent Design, Gap 0.060in
1994–2004 Cadillac Seville — Gap 0.050in
1993 Cadillac Seville — Engine: 4.6 V8; Gap 0.050in
1986–1991 Cadillac Seville — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1985 Cadillac Seville — Engine: 4.1 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1992 Cadillac Seville — OE Equivalent Design, Gap 0.060in
1983–1984 Cadillac Seville — Engine: 4.1 V8; OE Equivalent Design, Gap 0.060in
1993 Cadillac Seville — Engine: 4.9 V8; OE Equivalent Design, Gap 0.060in
1982 Cadillac Seville — Fuel Delivery Type: FI; Fuel Type: Gas; OE Equivalent Design, Gap 0.060in
1996–2004 Chevrolet Astro — Gap 0.060in
2002–2004 Chevrolet Avalanche 2500 — Gap 0.060in
1994–1996 Chevrolet Beretta — Engine: 3.1 V6; Gap 0.060in
1996–2004 Chevrolet Blazer — Gap 0.060in
1996–1998 Chevrolet C1500 — Engine: 4.3 V6; Gap 0.060in
1999 Chevrolet C1500 — Gap 0.060in
1996–1998 Chevrolet C1500 — Engine: 5.0 V8; Gap 0.060in
1996–1998 Chevrolet C1500 — Engine: 5.7 V8; Gap 0.060in
1996–1999 Chevrolet C1500 Suburban — Engine: 5.7 V8; Gap 0.060in
1996–1999 Chevrolet C2500 — Engine: 5.0 V8; Gap 0.060in
1996–2000 Chevrolet C2500 — Engine: 5.7 V8; Gap 0.060in
1996–2000 Chevrolet C2500 — Engine: 7.4 V8; Gap 0.060in
1992–1993 Chevrolet C2500 — Fuel Type: CNG; Gap 0.060in
1996–1999 Chevrolet C2500 Suburban — Engine: 5.7 V8; Gap 0.060in
1996–1999 Chevrolet C2500 Suburban — Engine: 7.4 V8; Gap 0.060in
1996–2000 Chevrolet C3500 — Engine: 5.7 V8; Gap 0.060in
1996–2000 Chevrolet C3500 — Engine: 7.4 V8; Gap 0.060in
1996–2000 Chevrolet C3500HD — Engine: 7.4 V8; Gap 0.060in
2001–2002 Chevrolet C3500HD — Engine: 8.1 V8; Gap 0.060in
2003–2004 Chevrolet C5500 Kodiak — Engine: 8.1 V8; Gap 0.060in
1999–2000 Chevrolet C6500 Kodiak — Engine: 7.4 V8; Gap 0.060in
2001–2004 Chevrolet C6500 Kodiak — Engine: 8.1 V8; Gap 0.060in
1999–2000 Chevrolet C7500 Kodiak — Engine: 7.4 V8; Gap 0.060in
2001–2004 Chevrolet C7500 Kodiak — Engine: 8.1 V8; Gap 0.060in
1993–1995, 1997 Chevrolet Camaro — Engine: 5.7 V8; Gap 0.050in
1995–2002 Chevrolet Camaro — Engine: 3.8 V6; Gap 0.060in
1996 Chevrolet Camaro — Engine: 5.7 V8; OE Equivalent Design, Gap 0.050in
1994–1996 Chevrolet Caprice — Gap 0.050in
2002 Chevrolet Cavalier — Engine ID: LD9; Gap 0.050in
1995 Chevrolet Cavalier — Engine: 2.3 L4; Gap 0.050in
1996–2001 Chevrolet Cavalier — Engine: 2.4 L4; Gap 0.050in
1994–1996 Chevrolet Corsica — Engine: 3.1 V6; Gap 0.060in
1992–1995 Chevrolet Corvette — Cylinder Head Type: OHV; OE Equivalent Design, Gap 0.050in
1996 Chevrolet Corvette — Engine VIN: P; OE Equivalent Design, Gap 0.050in
1996–2004 Chevrolet Express 1500 — Engine: 4.3 V6; Gap 0.060in
1996–2002 Chevrolet Express 1500 — Engine: 5.0 V8; Gap 0.060in
1996–2002 Chevrolet Express 1500 — Engine: 5.7 V8; Gap 0.060in
1996–2004 Chevrolet Express 2500 — Engine: 4.3 V6; Gap 0.060in
1996–2002 Chevrolet Express 2500 — Engine: 5.0 V8; Gap 0.060in
1996–2002 Chevrolet Express 2500 — Engine: 5.7 V8; Gap 0.060in
1996–2002 Chevrolet Express 3500 — Engine: 5.7 V8; Gap 0.060in
1996–2000 Chevrolet Express 3500 — Engine: 7.4 V8; Gap 0.060in
2001–2002 Chevrolet Express 3500 — Engine: 8.1 V8; Gap 0.060in
1996 Chevrolet G30 — Engine VIN: J; Gap 0.060in
1995 Chevrolet G30 — Fuel Type: CNG; Gap 0.060in
1994–1996 Chevrolet Impala — Gap 0.050in
2000–2004 Chevrolet Impala — Gap 0.060in
1996–1998 Chevrolet K1500 — Engine: 4.3 V6; Gap 0.060in
1999 Chevrolet K1500 — Gap 0.060in
1996–1998 Chevrolet K1500 — Engine: 5.0 V8; Gap 0.060in
1996–1998 Chevrolet K1500 — Engine: 5.7 V8; Gap 0.060in
1996–1999 Chevrolet K1500 Suburban — Engine: 5.7 V8; Gap 0.060in
1997–1998 Chevrolet K2500 — Engine: 5.0 V8; Gap 0.060in
1996–2000 Chevrolet K2500 — Engine: 5.7 V8; Gap 0.060in
1996–2000 Chevrolet K2500 — Engine: 7.4 V8; Gap 0.060in
1992–1993 Chevrolet K2500 — Fuel Type: CNG; Gap 0.060in
1996–1999 Chevrolet K2500 Suburban — Engine: 5.7 V8; Gap 0.060in
1996–1999 Chevrolet K2500 Suburban — Engine: 7.4 V8; Gap 0.060in
1996–2000 Chevrolet K3500 — Engine: 5.7 V8; Gap 0.060in
1996–2000 Chevrolet K3500 — Engine: 7.4 V8; Gap 0.060in
1996–2001 Chevrolet Lumina — Gap 0.060in
1995 Chevrolet Lumina — Engine: 3.4 V6; Gap 0.060in
1995 Chevrolet Lumina — Engine: 3.1 V6; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1996 Chevrolet Lumina APV — Gap 0.060in
1994–1995 Chevrolet Lumina APV — Engine: 3.8 V6; Gap 0.060in
1992–1993 Chevrolet Lumina APV — Engine: 3.8 V6; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1997–1999 Chevrolet Malibu — Engine: 2.4 L4; Gap 0.050in
2000–2003 Chevrolet Malibu — Gap 0.060in
1997–1999 Chevrolet Malibu — Engine: 3.1 V6; Gap 0.060in
2004 Chevrolet Malibu — Engine: 3.5 V6; Gap 0.060in
1996–2004 Chevrolet Monte Carlo — Gap 0.060in
1995 Chevrolet Monte Carlo — Engine: 3.1 V6; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1996 Chevrolet P30 — Engine VIN: R; 0.708in Reach Spark Plugs, Gap 0.060in
1996–1999 Chevrolet P30 — Engine: 4.3 V6; Gap 0.060in
1997 Chevrolet P30 — Engine ID: L29; Gap 0.060in
1996 Chevrolet P30 — Engine VIN: N; Gap 0.060in
1997–1999 Chevrolet P30 — Engine: 5.7 V8; Gap 0.060in
1998–1999 Chevrolet P30 — Engine: 7.4 V8; Gap 0.060in
2004 Chevrolet S10 — Gap 0.060in
1997–2000 Chevrolet S10 — Engine: 4.3 V6; Fuel Type: Gas; Gap 0.060in
1996, 2001–2003 Chevrolet S10 — Engine: 4.3 V6; Gap 0.060in
1999–2004 Chevrolet Silverado 1500 — Engine: 4.3 V6; Gap 0.060in
2001–2004 Chevrolet Silverado 2500 HD — Engine: 8.1 V8; Gap 0.060in
2001–2004 Chevrolet Silverado 3500 — Engine: 8.1 V8; Gap 0.060in
2001–2004 Chevrolet Suburban 2500 — Engine: 8.1 V8; Gap 0.060in
1996–2000 Chevrolet Tahoe — Engine: 5.7 V8; Gap 0.060in
1997–2004 Chevrolet Venture — Gap 0.060in
1990–1997 Ford Aerostar — Engine: 4.0 V6; Gap 0.054in
1995–2000 Ford Contour — Engine: 2.5 V6; Gap 0.054in
1995 Ford Crown Victoria — Gap 0.054in
1996–2004 Ford Crown Victoria — Fuel Type: Gas; Gap 0.054in
2010–2011 Ford Crown Victoria — Fuel Type: Gas; OE Equivalent Design, 15,000 mi (Severe) / 30,000 mi (Normal) OE Mfr Recommended Service Interval, Gap 0.054in
1992–1994 Ford Crown Victoria — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.054in
2009 Ford Crown Victoria — Fuel Type: Gas; OE Equivalent Design, Gap 0.054in
2004 Ford E-150 — Gap 0.054in
2003 Ford E-150 — Engine: 4.6 V8; Gap 0.054in
2003 Ford E-150 — Engine: 5.4 V8; Gap 0.054in
2004 Ford E-150 Club Wagon — Gap 0.054in
2003 Ford E-150 Club Wagon — Engine: 4.6 V8; Gap 0.054in
2003 Ford E-150 Club Wagon — Engine: 5.4 V8; Gap 0.054in
1997 Ford E-150 Econoline — Engine: 4.2 V6; Gap 0.054in
1997–2002 Ford E-150 Econoline — Engine: 4.6 V8; Gap 0.054in
1997–2002 Ford E-150 Econoline — Engine: 5.4 V8; Gap 0.054in
1997 Ford E-150 Econoline Club Wagon — Engine: 4.2 V6; Gap 0.054in
1997–2002 Ford E-150 Econoline Club Wagon — Engine: 4.6 V8; Gap 0.054in
1997–2002 Ford E-150 Econoline Club Wagon — Engine: 5.4 V8; Gap 0.054in
2003–2004 Ford E-250 — Engine: 4.6 V8; Gap 0.054in
2003–2004 Ford E-250 — Engine: 5.4 V8; Fuel Type: Gas; Gap 0.054in
1997 Ford E-250 Econoline — Engine: 4.2 V6; Gap 0.054in
1997–2002 Ford E-250 Econoline — Engine: 5.4 V8; Fuel Type: Gas; Gap 0.054in
1998–1999 Ford E-250 Econoline — Fuel Type: Bi-Fuel; Gap 0.054in
2003 Ford E-350 Club Wagon — Engine: 6.8 V10; Gap 0.054in
2003–2004 Ford E-350 Club Wagon — Engine: 5.4 V8; Fuel Type: Gas; Gap 0.054in
1997–1998 Ford E-350 Econoline — Engine: 6.8 V10; Gap 0.054in
1997–1998 Ford E-350 Econoline — Engine: 5.4 V8; Fuel Type: Gas; Gap 0.054in
1998 Ford E-350 Econoline — Fuel Type: Bi-Fuel; Gap 0.054in
1997–2002 Ford E-350 Econoline Club Wagon — Engine: 6.8 V10; Gap 0.054in
1997–2002 Ford E-350 Econoline Club Wagon — Engine: 5.4 V8; Fuel Type: Gas; Gap 0.054in
1998–1999 Ford E-350 Econoline Club Wagon — Fuel Type: Bi-Fuel; Gap 0.054in
1999–2004 Ford E-350 Super Duty — Engine: 6.8 V10; Gap 0.054in
1999–2004 Ford E-350 Super Duty — Engine: 5.4 V8; Fuel Type: Gas; Gap 0.054in
1999 Ford E-350 Super Duty — Fuel Type: Bi-Fuel; Gap 0.054in
1999–2002 Ford E-450 Econoline Super Duty — Engine: 6.8 V10; Gap 0.054in
2000–2002 Ford E-450 Econoline Super Duty — Engine: 5.4 V8; Fuel Type: Gas; Gap 0.054in
2003–2004 Ford E-450 Super Duty — Engine: 6.8 V10; Gap 0.054in
2003–2004 Ford E-450 Super Duty — Engine: 5.4 V8; Fuel Type: Gas; Gap 0.054in
2002 Ford E-550 Econoline Super Duty — Engine: 6.8 V10; Gap 0.054in
2003 Ford E-550 Super Duty — Engine: 6.8 V10; Gap 0.054in
1997–1999 Ford Econoline Super Duty — Engine: 6.8 V10; Gap 0.054in
1997–1998 Ford Econoline Super Duty — Engine: 5.4 V8; Gap 0.054in
2001–2004 Ford Escape — Engine: 3.0 V6; Gap 0.054in
2000–2004 Ford Excursion — Engine: 6.8 V10; Gap 0.054in
2000–2004 Ford Excursion — Engine: 5.4 V8; Gap 0.054in
2004 Ford Expedition — Engine: 5.4 V8; Gap 0.052in
1997–2003 Ford Expedition — Gap 0.054in
2004 Ford Expedition — Engine: 4.6 V8; Gap 0.054in
1991–1995 Ford Explorer — Gap 0.054in
1996–2004 Ford Explorer — Engine: 4.0 V6; Gap 0.054in
2002–2004 Ford Explorer — Engine: 4.6 V8; Gap 0.054in
1997–2001 Ford Explorer — Engine: 5.0 V8; Gap 0.054in
1996 Ford Explorer — Engine: 5.0 V8; OE Equivalent Design, Gap 0.054in
2001–2003 Ford Explorer Sport — Gap 0.054in
2001–2004 Ford Explorer Sport Trac — Gap 0.054in
1997 Ford F-150 — Engine: 4.2 V6; Gap 0.054in
2000–2003 Ford F-150 — Aspiration: Normal; Engine: 5.4 V8; Fuel Type: Gas; Gap 0.054in
1999 Ford F-150 — Aspiration: Normal; Engine: 5.4 V8; Gap 0.054in
1997–2004 Ford F-150 — Engine: 4.6 V8; Gap 0.054in
1998 Ford F-150 — Engine: 5.4 V8; Fuel Type: Gas; Gap 0.054in
1997 Ford F-150 — Engine: 5.4 V8; Gap 0.054in
1998, 2000–2003 Ford F-150 — Fuel Type: Bi-Fuel; Gap 0.054in
2009–2010 Ford F-150 — Engine VIN: W; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.054in
2004 Ford F-150 Heritage — Fuel Type: Bi-Fuel; Carry Over Model, Gap 0.054in
2004 Ford F-150 Heritage — Engine: 4.6 V8; Gap 0.054in
1997–1999 Ford F-250 — Engine: 4.6 V8; Gap 0.054in
1997–1999 Ford F-250 — Engine: 5.4 V8; Fuel Type: Gas; Gap 0.054in
1998–1999 Ford F-250 — Fuel Type: Bi-Fuel; Gap 0.054in
1999–2004 Ford F-250 Super Duty — Engine: 6.8 V10; Gap 0.054in
1999–2004 Ford F-250 Super Duty — Engine: 5.4 V8; Gap 0.054in
1999–2004 Ford F-350 Super Duty — Engine: 6.8 V10; Gap 0.054in
1999–2004 Ford F-350 Super Duty — Engine: 5.4 V8; Gap 0.054in
1999–2004 Ford F-450 Super Duty — Engine: 6.8 V10; Gap 0.054in
1999–2004 Ford F-53 Motorhome Chassis — Gap 0.054in
1999–2004 Ford F-550 Super Duty — Engine: 6.8 V10; Gap 0.054in
1978–1979 Ford Fiesta — OE Equivalent Design, Gap 0.050in
2004 Ford Freestar — Gap 0.054in
2003–2004 Ford Mustang — Aspiration: Normal; Engine: 4.6 V8; Gap 0.052in
1998–2004 Ford Mustang — Engine: 3.8 V6; Gap 0.054in
2004 Ford Mustang — Engine: 3.9 V6; Gap 0.054in
1996–2002 Ford Mustang — Engine: 4.6 V8; Gap 0.054in
1995 Ford Mustang — Engine VIN: D; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.054in
1993–1994 Ford Mustang — Engine VIN: D; OE Equivalent Design, Gap 0.054in
1990–1996 Ford Ranger — Engine: 4.0 V6; Gap 0.054in
2000–2004 Ford Taurus — Cylinder Head Type: DOHC; Gap 0.054in
1996–1999 Ford Taurus — Engine VIN: S; Gap 0.054in
1990–1991 Ford Tempo — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.054in
1989 Ford Tempo — Engine VIN: X; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.054in
1992–1994 Ford Tempo — Engine: 2.3 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.054in
1996–1997 Ford Thunderbird — Engine: 4.6 V8; Gap 0.054in
1994–1995 Ford Thunderbird — Cylinder Head Type: SOHC; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.054in
2001–2003 Ford Windstar — Gap 0.054in
1996–2000 Ford Windstar — Engine: 3.8 V6; Gap 0.054in
1996–1998 GMC C1500 — Engine: 4.3 V6; Gap 0.060in
1999 GMC C1500 — Gap 0.060in
1996–1998 GMC C1500 — Engine: 5.0 V8; Gap 0.060in
1996–1998 GMC C1500 — Engine: 5.7 V8; Gap 0.060in
1996–1999 GMC C1500 Suburban — Engine: 5.7 V8; Gap 0.060in
1996–1999 GMC C2500 — Engine: 5.0 V8; Gap 0.060in
1996–2000 GMC C2500 — Engine: 5.7 V8; Gap 0.060in
1996–2000 GMC C2500 — Engine: 7.4 V8; Gap 0.060in
1996–1999 GMC C2500 Suburban — Engine: 5.7 V8; Gap 0.060in
1996–1999 GMC C2500 Suburban — Engine: 7.4 V8; Gap 0.060in
1996–2000 GMC C3500 — Engine: 5.7 V8; Gap 0.060in
1996–2000 GMC C3500 — Engine: 7.4 V8; Gap 0.060in
1996–2000 GMC C3500HD — Engine: 7.4 V8; Gap 0.060in
2001–2002 GMC C3500HD — Engine: 8.1 V8; Gap 0.060in
2003–2004 GMC C5500 Topkick — Engine: 8.1 V8; Gap 0.060in
1999–2000 GMC C6500 Topkick — Engine: 7.4 V8; Gap 0.060in
2001–2004 GMC C6500 Topkick — Engine: 8.1 V8; Gap 0.060in
1999–2000 GMC C7500 Topkick — Engine: 7.4 V8; Gap 0.060in
2001–2004 GMC C7500 Topkick — Engine: 8.1 V8; Gap 0.060in
1996 GMC G3500 — Engine VIN: J; Gap 0.060in
1996–2004 GMC Jimmy — Gap 0.060in
1996–1998 GMC K1500 — Engine: 4.3 V6; Gap 0.060in
1999 GMC K1500 — Gap 0.060in
1996–1998 GMC K1500 — Engine: 5.0 V8; Gap 0.060in
1996–1998 GMC K1500 — Engine: 5.7 V8; Gap 0.060in
1996–1999 GMC K1500 Suburban — Engine: 5.7 V8; Gap 0.060in
1998 GMC K2500 — Engine: 5.0 V8; Gap 0.060in
1996–2000 GMC K2500 — Engine: 5.7 V8; Gap 0.060in
1996–2000 GMC K2500 — Engine: 7.4 V8; Gap 0.060in
1996–1999 GMC K2500 Suburban — Engine: 5.7 V8; Gap 0.060in
1996–1999 GMC K2500 Suburban — Engine: 7.4 V8; Gap 0.060in
1996–2000 GMC K3500 — Engine: 5.7 V8; Gap 0.060in
1996–2000 GMC K3500 — Engine: 7.4 V8; Gap 0.060in
1996 GMC P3500 — Engine VIN: R; 0.708in Reach Spark Plugs, Gap 0.060in
1996–1999 GMC P3500 — Engine: 4.3 V6; Gap 0.060in
1997 GMC P3500 — Engine ID: L19; Gap 0.060in
1996 GMC P3500 — Engine VIN: J; Gap 0.060in
1997–1999 GMC P3500 — Engine: 5.7 V8; Gap 0.060in
1998–1999 GMC P3500 — Engine: 7.4 V8; Gap 0.060in
1996–2004 GMC Safari — Gap 0.060in
1996–2004 GMC Savana 1500 — Engine: 4.3 V6; Gap 0.060in
1996–2002 GMC Savana 1500 — Engine: 5.0 V8; Gap 0.060in
1996–2002 GMC Savana 1500 — Engine: 5.7 V8; Gap 0.060in
1996–2004 GMC Savana 2500 — Engine: 4.3 V6; Gap 0.060in
1996–2002 GMC Savana 2500 — Engine: 5.0 V8; Gap 0.060in
1996–2002 GMC Savana 2500 — Engine: 5.7 V8; Gap 0.060in
1996–2002 GMC Savana 3500 — Engine: 5.7 V8; Gap 0.060in
1996–2000 GMC Savana 3500 — Engine: 7.4 V8; Gap 0.060in
2001–2002 GMC Savana 3500 — Engine: 8.1 V8; Gap 0.060in
1999–2004 GMC Sierra 1500 — Engine: 4.3 V6; Gap 0.060in
2001–2004 GMC Sierra 2500 HD — Engine: 8.1 V8; Gap 0.060in
2001–2004 GMC Sierra 3500 — Engine: 8.1 V8; Gap 0.060in
2004 GMC Sonoma — Gap 0.060in
1996–2003 GMC Sonoma — Engine: 4.3 V6; Gap 0.060in
1998–1999 GMC Yukon — Gap 0.060in
1996–1997, 2000 GMC Yukon — Engine: 5.7 V8; Gap 0.060in
2001–2004 GMC Yukon XL 2500 — Engine: 8.1 V8; Gap 0.060in
1997–2000 Isuzu Hombre — Engine: 4.3 V6; Gap 0.060in
2003–2004 Lincoln Aviator — Gap 0.054in
2002 Lincoln Blackwood — Gap 0.054in
1995–2002 Lincoln Continental — Gap 0.054in
2000–2004 Lincoln LS — Engine: 3.0 V6; Gap 0.054in
1995–1998 Lincoln Mark VIII — Gap 0.054in
1993–1994 Lincoln Mark VIII — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.054in
1998–2004 Lincoln Navigator — Gap 0.054in
1995–2004 Lincoln Town Car — Gap 0.054in
2010–2011 Lincoln Town Car — Fuel Type: Gas; OE Equivalent Design, 15,000 mi (Severe) / 30,000 mi (Normal) OE Mfr Recommended Service Interval, Gap 0.054in
1991–1994 Lincoln Town Car — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.054in
2009 Lincoln Town Car — Fuel Type: Gas; OE Equivalent Design, Gap 0.054in
2003–2004 Mazda 6 — Engine: 2.3 L4; Gap 0.052in
1994–1996 Mazda B4000 — Gap 0.054in
2002–2004 Mazda MPV — Gap 0.054in
1991–1994 Mazda Navajo — Gap 0.054in
2001–2004 Mazda Tribute — Engine: 3.0 V6; Gap 0.054in
1999–2002 Mercury Cougar — Engine: 2.5 V6; Gap 0.054in
1996–1997 Mercury Cougar — Engine: 4.6 V8; Gap 0.054in
1994–1995 Mercury Cougar — Engine: 4.6 V8; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.054in
1995–2004 Mercury Grand Marquis — Gap 0.054in
2010 Mercury Grand Marquis — Fuel Type: Gas; OE Equivalent Design, 15,000 mi (Severe) / 30,000 mi (Normal) OE Mfr Recommended Service Interval, Gap 0.054in
1992–1994 Mercury Grand Marquis — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.054in
2009 Mercury Grand Marquis — Fuel Type: Gas; OE Equivalent Design, Gap 0.054in
2003–2004 Mercury Marauder — Gap 0.054in
2004 Mercury Monterey — Gap 0.054in
1998–2004 Mercury Mountaineer — Engine: 4.0 V6; Gap 0.054in
1997 Mercury Mountaineer — Gap 0.054in
2002–2004 Mercury Mountaineer — Engine: 4.6 V8; Gap 0.054in
1998–2001 Mercury Mountaineer — Engine: 5.0 V8; Gap 0.054in
1995–2000 Mercury Mystique — Engine: 2.5 V6; Gap 0.054in
1996–2004 Mercury Sable — Cylinder Head Type: DOHC; Gap 0.054in
1989–1991 Mercury Topaz — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.054in
1992–1994 Mercury Topaz — Engine: 2.3 L4; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.054in
1996–1999 Oldsmobile 88 — Gap 0.060in
1992–1995 Oldsmobile 88 — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1996 Oldsmobile 98 — Gap 0.060in
1992–1995 Oldsmobile 98 — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1988–1991 Oldsmobile 98 — OE Equivalent Design, Gap 0.060in
1995 Oldsmobile Achieva — Engine: 2.3 L4; Gap 0.060in
1996–1998 Oldsmobile Achieva — Engine: 2.4 L4; Gap 0.060in
1992–1994 Oldsmobile Achieva — Cylinder Head Type: OHV; Gap 0.060in
1995–1998 Oldsmobile Achieva — Engine: 3.1 V6; Gap 0.060in
1999–2001 Oldsmobile Alero — Engine: 2.4 L4; Gap 0.050in
1999–2004 Oldsmobile Alero — Engine: 3.4 V6; Gap 0.060in
1995–1999, 2003 Oldsmobile Aurora — Gap 0.050in
2001–2002 Oldsmobile Aurora — Engine: 4.0 V8; Gap 0.050in
2001–2002 Oldsmobile Aurora — Engine: 3.5 V6; Gap 0.052in
1996–2001 Oldsmobile Bravada — Gap 0.060in
1997–1999 Oldsmobile Cutlass — Gap 0.060in
1989–1991 Oldsmobile Cutlass Calais — Engine VIN: N; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1994–1996 Oldsmobile Cutlass Ciera — Engine: 3.1 V6; Gap 0.060in
1989–1990 Oldsmobile Cutlass Ciera — Engine VIN: N; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1991–1993 Oldsmobile Cutlass Ciera — Engine: 3.3 V6; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1994 Oldsmobile Cutlass Cruiser — Gap 0.060in
1993 Oldsmobile Cutlass Cruiser — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1989–1992 Oldsmobile Cutlass Cruiser — Engine: 3.3 V6; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1996–1997 Oldsmobile Cutlass Supreme — Gap 0.060in
1994–1995 Oldsmobile Cutlass Supreme — Engine: 3.1 V6; Gap 0.060in
1993 Oldsmobile Cutlass Supreme — Engine ID: L82; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1989–1991 Oldsmobile Delta 88 — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1988 Oldsmobile Delta 88 — Engine VIN: C; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
2000–2002 Oldsmobile Intrigue — Gap 0.052in
1999 Oldsmobile Intrigue — Engine: 3.5 V6; Gap 0.052in
1998 Oldsmobile Intrigue — Gap 0.060in
1999 Oldsmobile Intrigue — Engine: 3.8 V6; Gap 0.060in
1996–1999 Oldsmobile LSS — Gap 0.060in
1997–1998 Oldsmobile Regency — Gap 0.060in
1995–2004 Oldsmobile Silhouette — Gap 0.060in
1994 Oldsmobile Silhouette — Engine: 3.8 V6; Gap 0.060in
1992–1993 Oldsmobile Silhouette — Engine: 3.8 V6; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1988–1992 Oldsmobile Toronado — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
2001–2004 Pontiac Aztek — Gap 0.060in
2004 Pontiac Bonneville — Engine: 4.6 V8; Gap 0.052in
1996–2003 Pontiac Bonneville — Gap 0.060in
2004 Pontiac Bonneville — Engine: 3.8 V6; Gap 0.060in
1989–1995 Pontiac Bonneville — OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1988 Pontiac Bonneville — Engine VIN: C; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1994–1997 Pontiac Firebird — Engine: 5.7 V8; Gap 0.050in
1995–2002 Pontiac Firebird — Engine: 3.8 V6; Gap 0.060in
1993 Pontiac Firebird — Engine: 5.7 V8; OE Equivalent Design, Gap 0.050in
1995 Pontiac Grand Am — Engine: 2.3 L4; Gap 0.050in
1999–2001 Pontiac Grand Am — Engine: 2.4 L4; Gap 0.050in
1996–1998 Pontiac Grand Am — Engine: 2.4 L4; Gap 0.060in
1996–1998 Pontiac Grand Am — Engine: 3.1 V6; Gap 0.060in
1999–2004 Pontiac Grand Am — Engine: 3.4 V6; Gap 0.060in
1992–1993 Pontiac Grand Am — Cylinder Head Type: OHV; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in
1994 Pontiac Grand Am — Cylinder Head Type: OHV; OE Equivalent Design, Gap 0.060in
1995 Pontiac Grand Am — Engine: 3.1 V6; OE Equivalent Design, Gap 0.060in
1996–2004 Pontiac Grand Prix — Gap 0.060in
1991–1995 Pontiac Grand Prix — Engine: 3.4 V6; Gap 0.060in
1994–1995 Pontiac Grand Prix — Engine: 3.1 V6; OE Equivalent Design, Gap 0.060in
1999–2004 Pontiac Montana — Gap 0.060in
2002 Pontiac Sunfire — Engine ID: LD9; Gap 0.050in
1995 Pontiac Sunfire — Engine: 2.3 L4; Gap 0.050in
1996–2001 Pontiac Sunfire — Engine: 2.4 L4; Gap 0.050in
1996–1999 Pontiac Trans Sport — Gap 0.060in
1994–1995 Pontiac Trans Sport — Engine: 3.8 V6; Gap 0.060in
1992–1993 Pontiac Trans Sport — Engine: 3.8 V6; OE Equivalent Design, 30,000 mi OE Mfr Recommended Service Interval, Gap 0.060in

Source: supplier-verified applications for NGK 3951. A vehicle not listed is not confirmed compatible.

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