Champion 71 Spark Plug

Description

The Champion 71 Spark Plug is part of Champion’s Copper Plus line, designed to deliver dependable ignition performance, accurate heat control, and long service life across a wide range of automotive, marine, and equipment applications. Built with a copper core center electrode, this plug provides strong conductivity and helps manage heat effectively for reliable combustion and consistent engine operation.

This standard replacement spark plug features a J-gap ground electrode design, resistor construction, and a flat seat with crush washer for secure installation and OE-style fitment. Its durable nickel ground electrode materials and corrosion-resistant construction make it a practical choice for engines that require reliable day-to-day performance in passenger vehicles, trucks, SUVs, and a wide range of utility and industrial equipment.

Manufactured to ISO and SAE standards, the Champion 71 is engineered for proven performance and durability in demanding service conditions.

Features

• Copper Plus design for dependable performance and durability

• Copper core center electrode for accurate heat range control

• Helps provide longer service life through improved heat management

• Superior corrosion resistance

• Built to ISO and SAE standards for proven performance

• J-gap ground electrode design

• Resistor spark plug design for compatible ignition systems

• Flat seat with crush washer for proper sealing

• Standard replacement spark plug for automotive, marine, and equipment applications

• Pre-gapped for installation convenience

Specifications

• Part Description: Spark Plug

• Plug Type: RC12YC

• Classification: Champion Copper Plus

• Grade Type: Standard Replacement

• Center Electrode Tip Material: Copper

• Center Electrode Design: Standard

• Center Electrode Diameter: 0.1 in

• Ground Electrode Quantity: 1

• Ground Electrode Tip Design: J Gap

• Gap Style: J Gap

• Ground Electrode Tip Material: Nickel

• Ground Electrode Core Material: Nickel

• Ground Electrode Material: Nickel Copper Alloy

• Pre-Gap Size: 0.035 in / 0.89 mm

• Hex Size: 0.625 in / 15.880 mm

• Insulator Height: 0.06 in

• Insulator Projection: 0.06 in

• Core Nose Length: 0.700 in

• Manufacturer Heat Range: 12

• Seat Type: Flat

• Reach: 0.75 in

• Thread Diameter: 14.000 mm / 0.551 in

• Resistor Type: Yes

• Electrical Terminal Type: Non-Removable Nut

• Washer Included: Yes

• Washer Type: Crush

• Hex Type: Hex

• Skirt: No

• Indexed: No

• Installed Height: 1.99 in

• Taper Diameter: 0.25 in

• Subject to Prop 65: No

Fitment

Compatible with a broad range of automotive, marine, and equipment applications. Examples from the supplied fitment data include:

Automotive Applications

Bentley

• Arnage (2000–2009) – 4.4L V8 and 6.8L V8

• Azure (1999–2010) – 6.7L and 6.8L V8

• Brooklands (2008–2009) – 6.8L V8

• Continental (1999–2003) – 6.8L V8 and 6.0L W12

• Mulsanne (2011–2015) – 6.8L V8

Cadillac

• Catera (1999–2001) – 3.0L V6

Chevrolet

• Beretta (1993–1994) – 2.3L L4

• Corvette (1986–1987) – 5.7L V8

Dodge

• B150, B1500, B250, B2500, B350, B3500

• D150, D250, D350

• Dakota

• Ram 1500, Ram 2500, Ram 3500

• Ramcharger

• W150, W250, W350

• Applications include 3.9L V6, 5.2L V8, and 5.9L V8 engines from 1992–1997

Ford

• Escort (1991–1996) – 1.8L L4

Geo

• Prizm (1990–1992) – 1.6L L4

Honda

• Civic (2003–2005) – 1.3L L4

Hyundai

• Azera (2006–2011) – 3.8L V6

• Santa Fe (2001–2005) – 2.7L V6

• Sonata (1999–2001) – 2.5L V6

• Tiburon (1997) – 1.8L L4

INFINITI

• QX4 (1997–2000) – 3.3L V6

Isuzu

• Axiom (2002–2003) – 3.5L V6

• Impulse (1992) – 1.6L L4

• Rodeo (1996–2004) – 2.2L L4 and 3.2L V6

• Rodeo Sport (2001–2003) – 2.2L L4 and 3.2L V6

Jaguar

• S-Type (2003–2008) – 4.2L V8

• Vanden Plas (1996, 2004–2009) – 4.0L L6 and 4.2L V8

• XJ6 (1996–1997) – 4.0L L6

• XJ8 (2000–2009) – 4.0L V8 and 4.2L V8

• XJR (2004–2009) – 4.2L V8

• XK8 (2000–2006) – 4.0L V8 and 4.2L V8

• XKR (2007–2009) – 4.2L V8

Jeep

• Grand Cherokee (1993–1996) – 5.2L V8

• Grand Wagoneer (1990–1993) – 5.2L V8 and 5.9L V8

Kia

• Magentis (2001–2008) – 2.4L L4, 2.5L V6, and 2.7L V6

• Rio (2001–2002, 2006–2011) – 1.5L and 1.6L L4

• Rio5 (2006–2011) – 1.6L L4

• Rondo (2007–2008) – 2.4L L4

• Sedona (2006–2010) – 3.8L V6

• Sportage (1995) – 2.0L L4

Land Rover

• Discovery (1999–2002) – 4.0L V8

• LR3 (2005–2009) – 4.4L V8

• Range Rover (1999–2009) – 4.0L V8, 4.2L V8, and 4.6L V8

• Range Rover Sport (2006–2009) – 4.2L V8 and 4.4L V8

Mazda

• Miata (1990–1993, 2004–2005) – 1.6L and 1.8L L4

• Protege (1995–1998) – 1.5L L4

• Protege5 (2002–2003) – 2.0L L4

Mercedes-Benz

• 300CE, 300E, 300SE, 300SL, 300TE

• 400E, 400SE, 400SEL

• 500E, 500SEC, 500SEL, 500SL

• 600SEC, 600SEL, 600SL

• C220, C230, C240, C280, C320, C36 AMG, C43 AMG

• CL500, CL55 AMG, CL600

• CLK320, CLK430, CLK500, CLK55 AMG

• CLS500

• E320, E420, E430, E500, E55 AMG

• G500, G55 AMG

• ML320, ML350, ML430, ML500, ML55 AMG

• R500

• S320, S420, S430, S500, S55 AMG, S600

• SL320, SL500, SL600

• SLK320

• Applications include inline-4, inline-6, V6, V8, and V12 engines across many 1990–2008 models

Mercury

• Capri (1991–1994) – 1.6L L4

• Villager (1993–1998) – 3.0L V6

Mitsubishi

• Eclipse (1996–2005) – 2.4L L4 and 3.0L V6

• Expo LRV (1992–1994) – 1.8L and 2.4L L4

• Galant (1992–1993) – 2.0L L4

• Lancer (2009–2010) – 2.4L L4

• Outlander (2008–2010) – 2.4L L4

• Outlander Sport (2015–2020) – 2.4L L4

• RVR (2015–2017) – 2.4L L4

Nissan

• 200SX (1984–1998) – 1.6L, 1.8L, 2.0L, and 3.0L applications

• Frontier (1999–2000) – 3.3L V6

• Multi (1986–1988) – 2.0L L4

• Pathfinder (1996–2000) – 3.3L V6

• Pickup (1995) – 3.0L V6

• Quest (1993–2000) – 3.0L and 3.3L V6

• Xterra (2000) – 2.4L L4 and 3.3L V6

Oldsmobile

• Achieva (1992–1994) – 2.3L L4

Plymouth

• Colt (1992–1994) – 1.8L L4

Rolls-Royce

• Corniche (2000–2002) – 6.8L V8

Saturn

• LW300 (2001–2003) – 3.0L V6

• SC, SC2, SL2, SW2 – 1.9L L4 applications

Subaru

• Forester (1998–2010) – 2.5L H4

• Impreza (1998–2011) – 2.5L H4

• Legacy (1996–2009) – 2.5L H4

• Outback (2005–2009) – 2.5L H4

Suzuki

• Aerio (2002–2007) – 2.0L and 2.3L L4

• Esteem (1995–2000) – 1.6L and 1.8L L4

• Grand Vitara (2000–2005) – 2.5L V6

• Sidekick (1996–1998) – 1.8L L4

• Swift (1992–1993) – 1.6L L4

• Vitara (2004) – 2.5L V6

• X-90 (1996–1998) – 1.6L L4

Toyota

• 4Runner (1988–1995) – 3.0L V6

• Celica (1988–1995) – 1.6L, 1.8L, and 2.0L L4

• Corolla (1988–2008) – 1.6L and 1.8L L4

• Matrix (2003–2013) – 1.8L and 2.4L L4

• MR2 (1991–1995) – 2.0L L4

Volkswagen

• Beetle (2001) – 2.0L L4

• Cabrio (1995–2001) – 2.0L L4

• Golf (1993–1998) – 1.8L and 2.0L L4

• Jetta (1993–2002) – 2.0L L4 and 2.8L V6

• Passat (1995–1996) – 2.0L L4

Equipment Applications

Compatible with many industrial, commercial, generator, turf, and outdoor power equipment applications, including examples from the supplied list:

• Husqvarna, Ariens, Troy-Bilt, Simplicity, Bear Cat, Cub Cadet, Craftsman, John Deere, Bobcat, Exmark, Bush Hog, Gravely, Ferris, Vermeer, Toro, Yardman, Lesco Equipment, Ditch Witch, MQ Power, Lincoln Electric, Miller Electric, STIHL, Generac, Scag, Jacobsen, BCS, Peco, Snapper, New Holland, and many additional equipment brands shown in the supplied data

Because the supplied fitment list includes a very large number of equipment applications, verify exact engine model and manufacturer specification before purchase or installation.