Feature

●One-piece, fired-in suppressor seal blends three glass types for a gas-tight 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


Description

Replacing the Spark Plug on your vehicle? The ACDelco 41-990 is a direct replacement, with the fit of an Original Equipment part.