Champion Spark Plug RC78WYP15
Champion Spark Plug RC78WYP15
Champion RC78WYP15 / CCH1221 Industrial Spark Plug Replaces 4089869
Champion®pioneered the use of iridium in aviation and industrial applications nearly 30 years ago. Now iridium, which has a stabilizing effect on ignition voltage and excellent wear characteristics, is quickly becoming the technology of choice for engine manufacturers worldwide.
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.
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Model Compatibility
Model Compatibility
Aston Martin DB5 1963-1965
Audi 100 1982-1991
Austin-Healey 3000 1965-1967
Bentley Arnage 1998-2009
Bentley Continental GT 2003-2019
BMW 2000 1972-1976
Daimler Sovereign 1966-1969
Ferrari 250 GT 1957-1964
Fiat 124 Sport Coupe 1967-1975
Jaguar E-Type 1961-1975
Lamborghini Countach 1974-1990
Lotus Elan 1962-1973
Maserati Quattroporte 1963-2012
Mercedes-Benz 190SL 1955-1963
MG MGB 1962-1980
Porsche 356 1950-1965
Rolls-Royce Silver Shadow 1965-1980
Triumph Spitfire 1962-1980
Volkswagen Beetle 1967-1979
Brand
Brand
Champion
Part Number
Part Number
1. Champion Spark Plug RC78WYP15
2. Champion RC78WYP15 / CCH1221 Industrial Spark Plug
3. Replaces 4089869
4. Iridium Pin Welded to Copper Core Centre Electrode
5. Platinum Pad Welded to Copper Core Ground
6. Iridium Center Electrode
7. Laser-Locked Platinum Ground Electrodes
8. Fine-Wire Electrode
9. Platinum V-Trimmed Ground Electrode
10. Maximum Life
11. Sharpest Spark Focus
12. Reduces Erosion
13. Maintains Gap
14. Increases Life
15. OEM Part Number
16. Cross Reference Table
17. Equivalent
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.