Go-Parts
Cart 0
Your cart is empty
Add an item to see it appear here.

Spark Plug - Exhaust Side (Champion) for 1951-2021 AC, American Motors, Aston Martin, Asuna, Audi, Austin, Austin Healey, Bentley, Bizzarrini, BMW, Bombardier, Buick, Checker, Chevrolet, Chrysler, Cub Cadet, Cunningham, Dodge, Eagle, Facel Vega, Fargo, Ford, Gas Gas, Geo, GMC, Hillman, Honda, Hudson, Humber, International, Isuzu, Jaguar, Jeep, Jensen, John Deere, Kawasaki, Land Rover, Lotus, Mazda, Mercedes-Benz, Mercury, MG, Monteverdi, Morgan, Nash, Nissan, Oldsmobile, Opel, Panther, Plymouth, Polaris, Pontiac, Porsche, Reliant, Renault, Riley, Rolls-Royce, Saab, Studebaker, Suzuki, Toyota, Triumph, Utilimaster, & Volkswagen NEW

$ 3 .66

Product Notes

Position: Exhaust Side
⚠️ Most jobs typically require 8 of this item.
Gap 0.032in OE Type ; Plug Type RN12YC
Copper Plus
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Brand: Champion
Condition: New
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
Wrenchy the Robot

Meet Wrenchy - The Amazing Parts Assistant!

Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.

Specifications & Info


Attribute Value
Center Electrode Tip Material Nickel
Classification Champion Copper Plus
Electrical Terminal Type Non-removable Nut
Ground Electrode Core Material Nickel
Hex Size 0.813, 20.650
Insulator Height 0.12
Plug Type Rn12yc
Pre Gap Size 0.035, 0.89
Reach 0.75
Seat Type Flat

Vehicle Fitment Guide

This part fits the following vehicles:

Make Models
AC Ace, Aceca
American Motors Ambassador, American, Rogue
Aston Martin Lagonda, V-8
Asuna Sunrunner
Audi 4000, Fox
Austin Princess
Austin Healey 3000, Sprite
BMW 1600, 1600-2, 1600ti, 1602, 2.8 Bavaria, 2002, 2500, 2800, 2800CS, 3.0CS, 3.0CSi, 3.0CSL, 3.0S, 3.0Si, 525i, 530i, 630CSi, 735i, 735iL, Bavaria
Bentley Continental, Corniche, Eight, Mulsanne
Bizzarrini GT America, GT Strada 5300
Bombardier Sarasota 1000
Buick Opel
Checker Marathon, Taxicab
Chevrolet Bel Air, Biscayne, Blazer, Brookwood, C10 Panel, C10 Pickup, C10 Suburban, C20 Panel, C20 Pickup, C20 Suburban, C30 Panel, C30 Pickup, Camaro, Caprice, Chevelle, Chevy II, Corvette, Del Ray, El Camino, Estate, G10 Van, G20 Van, Impala, K10 Pickup, K10 Suburban, K20 Panel, K20 Pickup, K20 Suburban, K30 Pickup, Kingswood, LUV, Nomad, Nova, P10 Series, P10 Van, P20 Series, P30 Series, Parkwood, S10, S10 Blazer, Suburban, Townsman, Tracker, Yeoman
Chrysler 300, Daytona, Dynasty, Executive Limousine, Fifth Avenue, Imperial, Laser, LeBaron, New Yorker, Newport, Saratoga, St Regis, Town & Country, Windsor
Cub Cadet Big Country 4x2
Cunningham Continental
Dodge 600, Aries, B150, B250, B350, Caravan, Challenger, Charger, Coronet, Custom, D100, D100 Pickup, D150, D200 Pickup, D250, D300 Pickup, D350, Dakota, Dart, Daytona, Diplomat, Dynasty, Grand Caravan, Lancer, Mini Ram, Omni, Phoenix, Pioneer, Polara, Ramcharger, Royal, Shadow, Sierra, Spirit, Suburban, W100, W100 Pickup, W150, W200 Pickup, W250, W300 Pickup, W350
Eagle Vista
Facel Vega Excellence, Facel 6, FVS, HK500
Fargo A100 Van, A108 Van, B100 Van, B200 Van, B300 Van, D100 Panel Delivery, D100 Pickup, D110 Pickup, D200 Panel Delivery, D200 Pickup, D210 Pickup, W100 Panel Delivery, W100 Pickup, W110 Pickup, W200 Pickup
Ford Capri, Consul, Courier, Mustang II, Pinto, Zephyr, Zodiac
GMC 1000, 1000 Series, 1500 Series, 2500 Series, 3000, 3500, B3500, C15/C1500 Pickup, C15/C1500 Suburban, C25/C2500 Pickup, C25/C2500 Suburban, C35/C3500 Pickup, G1000 Series, K1000, K1000 Pickup, K15/K1500 Pickup, K15/K1500 Suburban, K25/K2500 Pickup, K25/K2500 Suburban, K35/K3500 Pickup, L3500, P1000, PB1000 Series, PB1500 Series, PB2500 Series, S15, S15 Jimmy, Suburban, Tracker, Truck, V3000 Forward Control
Gas Gas 300 Pro, Contact 250, Pampera 370, TX50 Boy, TXT 280, TXT 80 Rookie, TXT Boy 50, TXT Pro 125, TXT Pro 250, TXT Pro 280, TXT Pro 300, TXT Pro 80, TXT Pro Racing 125, TXT Pro Racing 250, TXT Pro Racing 280, TXT Pro Racing 300, TXT Pro Racing Series, TXT Pro Raga Series, TXT Pro Series, TXT Racing 125, TXT Racing 250, TXT Racing 280, TXT Racing 300
Geo Storm, Tracker
Hillman Husky
Honda Civic
Hudson Hornet Special
Humber Hawk
International 100, 1000D, 1010, 1100D, 1110, 1200D, 1210, 1300D, 1310, 200, M1100, M1200, M1400, M800, M800 Navy, M800 Post Office, MA1200, MHC1310, MS1210, Scout, Scout II
Isuzu Amigo, Pickup, Rodeo, Trooper
Jaguar 240, 340, 420, Mark X, Vanden Plas, XJ, XJ6, XKE
Jeep Grand Wagoneer
Jensen 541, 541R, 541S
John Deere Gator CX 4x2, Gator TS 4x2
Kawasaki KAF300 Mule 500, KAF300 Mule 520, KAF300 Mule 550, KAF400 Mule 600, KAF400 Mule 610 4x4, KAF400 Mule 610 4x4 SE, KAF400 Mule 610 4x4 XC, KAF400 Mule 610 4x4 XC SE, KAF400 Mule SX, KAF400 Mule SX 4x4, KAF400 Mule SX 4x4 FI, KAF400 Mule SX 4x4 SE, KAF400 Mule SX 4x4 SE FI, KAF400 Mule SX 4x4 XC, KAF400 Mule SX 4x4 XC Camo, KAF400 Mule SX 4x4 XC Camo FI, KAF400 Mule SX 4x4 XC FI, KAF400 Mule SX 4x4 XC LE, KAF400 Mule SX 4x4 XC LE FI, KAF400 Mule SX 4x4 XC SE, KAF540 Mule 2010, KAF540 Mule 2020, KAF540 Mule 2030
Land Rover Discovery, Range Rover
Lotus Esprit
MG Midget
Mazda 323, 626, B2000, B2200, B2600, GLC
Mercedes-Benz 230, 280, 420SEL, 500SEC, 500SEL
Mercury Bobcat, Capri
Monteverdi 375, 450 SS
Morgan Plus 8
Nash Ambassador Custom, Ambassador Special, Ambassador Super
Nissan 1000, 1200, 1300, 2000, 240Z, 521 Pickup, 620 Pickup, 710, 720, 810, B110, B210, D21, F10, Pathfinder, Pulsar, Sentra, Van
Oldsmobile F85
Opel Kadett, Rallye
Panther J-72
Plymouth Acclaim, Barracuda, Belvedere, Belvedere II, Caravelle, Cuda, Duster, Expo, Fury, Gran Fury, Grand Voyager, GTX, Horizon, Reliant, Road Runner, Satellite, Savoy, Sundance, Turismo, Turismo 2.2, Valiant, Voyager
Polaris Ranger TM 650
Pontiac Acadian, Beaumont, Firebird, Firefly, Laurentian, LeMans, Parisienne, Strato-Chief, Sunrunner, Tempest
Porsche 911, 928, 944
Reliant Rebel, Scimitar
Renault Alliance, Encore
Riley 2.6, 4/68
Rolls-Royce Camargue, Corniche, Corniche II, Silver Spirit, Silver Spur
Saab 99, Sonett
Studebaker Commander, Cruiser, Daytona, Golden Hawk, Wagonaire
Suzuki Samurai, Sidekick, SJ410, SJ413
Toyota 4Runner, Carina, Celica, Corolla, Corona, Cressida, Crown, Hi-Lux, Land Cruiser, Mark II, Pickup, Starlet
Triumph GT6, Spitfire, Stag, TR7, TR8
Utilimaster Step Van
Volkswagen 412, Campmobile, Dasher, EuroVan, Jetta, Rabbit, Rabbit Convertible, Rabbit Pickup, Scirocco, Transporter

This is a universal part that fits 5,312 vehicle configurations across 64 makes.

Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Interchange Parts

Brand Part Number
ACDelco R43XLS
Bosch 4218
Bosch 4219
Bosch 4220
Bosch 7905
Bosch 7922
Bosch W8DC0
Bosch W8LCR
Bosch WR10LC
Bosch WR8D
Bosch WR8DC
Bosch WR8DP
Bosch WR8DPX
Champion Spark Plug RN12YC
General Motors 93206675
General Motors 93230927
Land Rover ETC7244
Mopar 4091713
Mopar 5213693
Motorcraft AGR32C
Motorcraft AGR42
Motorcraft AGR42C
Motorcraft AGR52
Motorcraft AGS32C
Motorcraft AGS42C
Motorcraft AGS52C
NGK BPR5ES
NGK BPR5ES11
NGK BPR5EY
NGK BPR5EY11
Prestolite 14GR42
Torch 8008
Torch 9007
Torch F5RTC
Torch F5TC

Fits Years: 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Why Millions Choose Go-Parts

Your Go-To Place
for auto parts.

In operation since 2007. Trusted by over a million DIYers, mechanics, and body shops across all 50 states.

100%
Money-Back Guarantee

Shop With Total Confidence

If it doesn't fit, we make it right. No gimmicks, no fine print.

120
Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

Racing Partner Videos

×

Search by Vehicle

1
2
3
Added to cart · Part