ACDelco GM Original Equipment 41979 19301810 Double Platinum Spark Plug Pack of 1

Onepiece firedin suppressor seal blends three glass types for a gastight seal that helps reduce radio frequency and engine interference regulate spark plug energy and protect against compression pressures for long life Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts OE or ACDelco Professional ACDelco GM Original Equipment parts are designed engineered and tested to rigorous standards and are backed by General Motors GM Engineers design and validate OE parts specifically for your Chevrolet Buick GMC or Cadillac vehicle GM regularly updates production and service part designs to integrate new materials and technologies.