AUTOMOTIVE PART
Bosch Spark Plug 7971
Spark Plug, HR8DCX+, Super Plus
Part 7971BoschSpark Plug
Match your exact vehicle configuration to the verified applications below.
Confirm the year, make, model, engine, drivetrain and required position before ordering.
Confirm the year, make, model, engine, drivetrain and required position before ordering.
Is This the Right Part?
Manufacturer Part Number7971
ManufacturerBosch
Part TypeSpark Plug
Part Details
Part Specifications
| Automotive Item Weight (lbs) | 0.088185 lb |
|---|---|
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Electrical Terminal Type | Removable Nut |
| Ground Configuration | J-Gap |
| Ground Electrode Core Material | N/A |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Standard |
| Hex Size | 16 |
| Insulator Material | Ceramic |
| Insulator Type | Non-Projected |
| Manufacturer Heat Range | 8 |
| Outdoor Power Equipment Applicat | No |
| Package Contents | Spark Plug |
| Package Quantity | 1 |
| Pre-Gap Size | 1.1 MM |
| Prop 65 Warning Label Required? | No |
| Prop65 | Cancer and Reproductive |
| Reach | 17.5 MM |
| Resistance | 6000 82 |
| Resistor | Yes |
| Resistor Type | Yes |
| Seat Type | Tapered |
| Short Style | No |
| Spark Plug Type | 4-Cycle |
| Thread Diameter | 14 MM |
Verified Vehicle Fitment
Make: Ford, Lincoln, Mercury, Merkur, Pontiac
Model: 28 verified models — see exact combinations below.
Years: 1968, 1978–1995, 1999, 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 (64 configuration groups)
| Years | Make | Model | Position | Engine / transmission / notes |
|---|---|---|---|---|
| 1986 | Ford | Aerostar | — | Engine: 2.8 V6; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1986–1987 | Ford | Aerostar | — | Engine: 3.0 V6; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1990–1995 | Ford | Aerostar | — | Engine: 4.0 V6; Standard, Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1987–1990 | Ford | Bronco II | — | Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1985 | Ford | Bronco II | — | Engine: 2.8 V6; Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1986 | Ford | Bronco II | — | Engine: 2.9 V6; Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1992 | Ford | Crown Victoria | — | Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1993–1994 | Ford | Crown Victoria | — | Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 2009–2011 | Ford | Crown Victoria | — | Fuel Type: Gas; Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1982 | Ford | Escort | — | Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1983 | Ford | Escort | — | Fuel Delivery Type: CARB; Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1982 | Ford | EXP | — | From 10/1981, Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1983 | Ford | EXP | — | Fuel Delivery Type: CARB; Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1991–1995 | Ford | Explorer | — | Standard, Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1999 | Ford | F-150 | — | Aspiration: Super-Chrg; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1993–1995 | Ford | F-150 | — | Engine VIN: R; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 2009–2010 | Ford | F-150 | — | Engine VIN: W; Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1978–1980 | Ford | Fiesta | — | Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1983–1984 | Ford | LTD | — | Fuel Type: LPG; Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1980, 1983–1985 | Ford | Mustang | — | Aspiration: Turbo; Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1968 | Ford | Mustang | — | Engine: 3.3 L6; Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1986 | Ford | Mustang | — | Aspiration: Turbo; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1991–1993 | Ford | Mustang | — | Engine: 2.3 L4; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1993–1995 | Ford | Mustang | — | Engine VIN: D; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1979 | Ford | Mustang | — | Aspiration: Turbo; Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1989–1992 | Ford | Ranger | — | Engine: 2.3 L4; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1985–1987 | Ford | Ranger | — | Cylinder Head Type: OHV; Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1988–1992 | Ford | Ranger | — | Engine: 2.9 V6; Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1986–1991 | Ford | Taurus | — | Engine: 2.5 L4; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1986–1987 | Ford | Taurus | — | Engine: 3.0 V6; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1993–1995 | Ford | Taurus | — | Fuel Type: Flex; Original Center Electrode Material is Copper/Nickel |
| 1985–1987 | Ford | Tempo | — | Engine VIN: S; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1988–1991 | Ford | Tempo | — | Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1992–1994 | Ford | Tempo | — | Engine: 2.3 L4; Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1983–1988 | Ford | Thunderbird | — | Engine: 2.3 L4; Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1994–1995 | Ford | Thunderbird | — | Cylinder Head Type: SOHC; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1993–1995 | Lincoln | Mark VIII | — | Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1991–1992 | Lincoln | Town Car | — | Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1991–1994 | Lincoln | Town Car | — | Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 2009–2011 | Lincoln | Town Car | — | Fuel Type: Gas; Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1980–1981, 1983–1984 | Mercury | Capri | — | Aspiration: Turbo; Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1979 | Mercury | Capri | — | Aspiration: Turbo; Original Center Electrode Material is Copper/Nickel |
| 1984–1985 | Mercury | Cougar | — | Engine: 2.3 L4; Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1986 | Mercury | Cougar | — | Engine: 2.3 L4; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1994–1995 | Mercury | Cougar | — | Engine: 4.6 V8; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1992 | Mercury | Grand Marquis | — | Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1993–1994 | Mercury | Grand Marquis | — | Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 2009–2010 | Mercury | Grand Marquis | — | Fuel Type: Gas; Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1982 | Mercury | LN7 | — | From 10/1981, Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1983 | Mercury | LN7 | — | Fuel Delivery Type: CARB; Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1982 | Mercury | Lynx | — | Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1983 | Mercury | Lynx | — | Fuel Delivery Type: CARB; Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1983–1984 | Mercury | Marquis | — | Fuel Type: LPG; Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1986 | Mercury | Sable | — | Engine: 2.5 L4; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1987 | Mercury | Sable | — | Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1986 | Mercury | Sable | — | Engine: 3.0 V6; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1985–1987 | Mercury | Topaz | — | Engine VIN: S; Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1988–1991 | Mercury | Topaz | — | Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1992–1994 | Mercury | Topaz | — | Engine: 2.3 L4; Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1988–1989 | Merkur | Scorpio | — | Gap 0.054 in, Original Center Electrode Material is Copper/Nickel |
| 1985 | Merkur | XR4Ti | — | Gap 0.034 in, Original Center Electrode Material is Copper/Nickel |
| 1986–1989 | Merkur | XR4Ti | — | Gap 0.044 in, Original Center Electrode Material is Copper/Nickel |
| 1989 | Pontiac | Firebird | — | Engine: 3.8 V6; Gap 0.035 in, Original Center Electrode Material is Copper/Nickel |
| 1989–1990 | Pontiac | Grand Prix | — | Aspiration: Turbo; Gap 0.035 in, Original Center Electrode Material is Copper/Nickel |
Source: supplier-verified applications for Bosch 7971. A vehicle not listed is not confirmed compatible.
Buy Online Pick Up In-Store
Address
101 Trillium Dr
Kitchener, Ontario N2E 1W8
Kitchener, Ontario N2E 1W8
Phone
Hours
Mon–Fri 9 AM–5 PM • Sat 9 AM–1 PM
