an rc8j resistor or a cj8y
You can use the following plugs for a cross reference for a Champion CJ8 Denso - W20M-U NGK - BM7A or BM6A (BM6A is a hotter plug than the BM7A) Bosch - WS9EC Autolite Part # 255
Cj8 is hotter than cj7
.30
Champion CJ8
Yes you can use a CJ8 for a CJ8Y, but you cannot use a CJ8Y for a CJ8......the CJ8Y has about 1/4in more thread.
Champion CJ8 spark plug is for the crsftsman 3.0 edger/trimmer
Champion CJ8 is most popular
No, you cannot directly replace a CJ7Y spark plug with a CJ8 spark plug. The CJ7Y and CJ8 are different spark plug models with variations in heat range, thread size, and reach. Using an incompatible spark plug can lead to improper combustion, engine misfires, and potential damage to the engine. It is crucial to use the correct spark plug recommended by the manufacturer for optimal engine performance.
on the back of the plug package it has : replaces CJ8, RCJ8, J19LM & RJ19LM. hope this helps.
It is a platinum version of the Champion CJ8.
Yes, a Champion CJ8 spark plug can replace a Champion RCJ6Y spark plug, as both plugs are designed for similar applications and have compatible dimensions. However, it's essential to check the specific requirements of your engine, such as heat range and thread length, to ensure optimal performance. Always consult your engine's manual for the manufacturer's recommendations before making a replacement.
Depending on the model, it could differ, but the most common would be the champion CJ8 spark plug, or similar, double check at your parts store before you buy.