ACDelco GM Original Equipment 41-156 Iridium Spark Plug (Pack of 1)

NOTE: Item is a single pack Iridium fine wire electrode helps burn away carbon deposits on the tip of the plug as they form One piece suppressor seal helps block radio frequencies that can affect vehicle electronics Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage.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.Iridium offers excellent engine idle stability and smooth performance International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.