For outdoor power equipment parts like spark plugs, ignition coils, and sensors to industrial solutions such as air conditioning systems and factory automation equipment, Denso delivers innovative solutions that support a better daily life. Many parts look similar, so it’s crucial to ensure you’re choosing the right replacement for your original equipment or engine model. Not sure? Use our Parts Lookup Tool to view part diagrams and find the correct replacement. Machine-rolled threads prevent seizing or cross-threading during installation and removal 100 percent pre-fired to assure the highest quality possible Purified alumina powder insulator provides exceptional strength and thermal conductivity 5-rib insulator prevents flashover Copper-glass seal bonds center electrode and insulator for a gas-tight seal Spark plugs conduct electrical energy from the ignition coil, creating a spark that ignites the fuel. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
