ACDelco GM OEM 41-108 Iridium Spark Plug

About this item

• Suppressor seal maximizes electrode longevity by measuring spark energy and reducing potential leakage of combustion.
• Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
• Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form
• 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
• Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration
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• GM regularly updates production and service part designs to integrate new materials and technologies
• One piece suppressor seal helps block radio frequencies that can affect vehicle electronics
• Iridium offers excellent engine idle stability and smooth performance