Champion RN3C Spark Plug Copper Plus OE108

Champion RN3C Copper Plus spark plug is built to restore peak performance in engines ranging from cars to lawn equipment. With a copper-core center electrode, it delivers efficient ignition and strong spark energy where you need it most. The patented Ultraseal coated shell provides maximum corrosion resistance in demanding conditions, helping extend service life between replacements. A SAC-9 semiconductor resistor helps suppress unwanted electrical noise for crisper throttle response and smoother idling. This OE108/T10 style plug replaces 7565476, and it’s designed to match cross-reference tables for easy compatibility. Whether you’re maintaining a daily driver or a garden mower, Copper Plus delivers reliable starts and steady performance. If you’re unsure of fit, consult the cross-reference information to confirm you have the correct part.