Our Denso/Cummins Spark Plug Boot is specifically designed to accommodate the Denso GK3-7 (6128) Iridium Saver Spark Plug. The protective rubber boot (97-8200) is one component of a two-piece spark plug and boot kit that was created to replace Cummins part # 4955850. This protective rubber boot slides over the spark plug to shield and insulate the plug from the harsh environment of the engine compartment on transit buses, running compressed natural gas engines. Denso PN 674-1000
For California customers: Prop 65 WARNING: This product may have been manufactured with or uses components that can expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.p65warnings.ca.gov.