Champion RJ12YC Spark Plug Copper Plus
Champion RJ12YC Spark Plug Copper Plus
Champion RJ12YC / CCH14 COPPER PLUS Spark Plug Replaces CR43S
When its time to replace the OE spark plugs in your vehicle, mower or weed whacker, Copper Plus® rises to the occasion.
If you are unsure as to whether this is the correct part for your vehicle, please don't hesitate to contact us. Alternatively please use the cross reference table above.
Couldn't load pickup availability
Authenticity Guaranteed
Satisfaction Guarantee
Secure Payments
Model Compatibility
Model Compatibility
Aston Martin DB4 1958-1963
Aston Martin DB5 1963-1965
Aston Martin DB6 1965-1971
Aston Martin DBS 1967-1972
Aston Martin V8 1969-1989
Aston Martin Vantage 1972-1989
Austin Mini 1959-2000
Austin-Healey 100 1953-1956
Austin-Healey 3000 1959-1967
Bentley Continental GT 2003-2018
Bentley Continental GTC 2006-2018
Bentley Continental Flying Spur 2005-2013
Bentley Mulsanne 1980-1992
Bentley Turbo R 1985-1997
Bentley Arnage 1998-2009
Bentley Brooklands 1992-1998
Bentley Azure 1995-2003
Bentley Continental 1991-2003
Bentley Eight 1984-1992
Bentley Turbo RT 1997-1998
Bentley Continental Flying Spur 2005-2013
Bentley Mulsanne 2010-2012
Bentley Arnage 1998-2009
Bentley Continental GT 2003-2018
Bentley Continental GTC 2006-2018
Bentley Continental Flying Spur 2005-2013
BMW 2002 1968-1976
BMW 5 Series 1972-1995
BMW 7 Series 1977-1987
BMW 8 Series 1989-1999
BMW M1 1978-1981
BMW M3 1986-1991
BMW M5 1985-1995
BMW Z3 1995-2002
BMW Z8 2000-2003
Bristol 411 1969-1976
Bristol 412 1975-1976
Bristol Blenheim 1993-2011
Caterham Seven 1973-2018
Ferrari 250 GT 1958-1964
Ferrari 275 GTB 1964-1968
Ferrari 308 GTB 1975-1985
Ferrari 328 GTB 1985-1989
Ferrari 330 GT 1964-1967
Ferrari 365 GTB/4 1968-1973
Ferrari 512 BB 1976-1984
Ferrari 365 GT4 2+2 1972-1976
Ferrari 365 GTC/4 1971-1972
Ferrari 365 GT4 BB 1973-1976
Ferrari 365 GT4 2+2 1972-1976
Ferrari 412 1985-1989
Ferrari 512 TR 1991-1994
Ferrari Testarossa 1984-1991
Ferrari 348 1989-1995
Ferrari F355 1994-1999
Ferrari 360 Modena 1999-2005
Ferrari 575M Maranello 2002-2006
Ferrari 550 Maranello 1996-2001
Ferrari F40 1987-1992
Ferrari F50 1995-1997
Ferrari Enzo 2002-2004
Ferrari 458 Italia 2009-2015
Ferrari 599 GTB Fiorano 2006-2012
Ferrari FF 2011-2016
Ferrari California 2008-2017
Ferrari LaFerrari 2013-2016
Ferrari 488 GTB 2015-2019
Ferrari 812 Superfast 2017-2019
Fiat 124 Spider 1966-1985
Fiat 850 Spider 1965-1973
Fiat Dino Spider 1966-1973
Ford Cortina 1962-1982
Ford Escort 1967-2004
Ford GT40 1964-1969
Ford Mustang 1964-1973
Ford RS200 1984-1986
Ford Sierra 1982-1993
Ford Sierra Cosworth 1986-1992
Ford Transit 1965-2006
Jaguar E-Type 1961-1974
Jaguar Mark 2 1959-1969
Jaguar X
Brand
Brand
Champion
Part Number
Part Number
1. Champion RJ12YC Spark Plug Copper Plus
2. Champion RJ12YC / CCH14 COPPER PLUS Spark Plug
3. Replaces CR43S
4. Copper-core center electrode
5. Patented Ultraseal coated shell for maximum corrosion resistance
6. Patented SAC-9 semiconductor resistor
7. OEM part number: RJ12YC
8. Equivalent part number: CCH14
Shipping Information
Shipping Information
Standard shipping with tracking via Royal Mail or Evri for heavier parts:
- £4.99 per order for standard 2-day delivery
- £5.99 per order for Next Day delivery
Most orders are shipped the same business day if ordered before 2pm. We ship Monday through Friday.
If we unexpectedly run out of stock we may have to order your part which can take up to 1 week. We will be in touch in the rare circumstance that there is a delay to your shipment.
Returns Policy
Returns Policy
We want you to be completely happy with your purchase but please do not hesitate to contact us immediately if you have a problem with your order. Please ensure that you consider all the points described on our profile page accessible by clicking our name above the product title.
It is especially important that you take due care to ensure that the part you selected is compatible with your car. If in doubt, we'd prefer that you get in touch via our profile page so we can help you.