Champion RC9YCC Spark Plug Copper Plus OE002

The Champion RC9YCC Copper Plus spark plug delivers reliable ignition and long-lasting performance for cars, tractors, mowers and power equipment. Featuring a copper-core center electrode for efficient heat transfer and a patented Ultraseal-coated shell that resists corrosion in harsh environments, this plug provides steady sparks under load and helps smooth starting. The SAC-9 semiconductor resistor reduces electronic interference and improves throttle response, while the 14mm diameter fits a wide range of engines. Ideal for mixed fleets or single-vehicle maintenance, Copper Plus plugs are designed as OE replacements that meet or exceed factory specs. When replacing, match the cross-reference and ensure correct thread reach and heat range. If unsure about compatibility, consult the cross-reference table to verify fit.