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    ACDelco Iridium Spark Plug

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    Warranty Information
    • Product Details

      Part No. 41-103

      Warranty Details (7 YR REPLACEMENT IF DEFECTIVE)

      ACDelco GM Original Equipment Iridium Spark Plug are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Iridium Spark Plugs are a high quality replacement for many vehicles on the road today. They are our latest in spark plug technology and an exact replacement for your vehicle's original components. Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

      Product Features:

      • Iridium offers excellent engine idle stability and smooth performance
      • Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration
      • 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

    • Specifications
      • Center Electrode Core Material:Copper
        Center Electrode Tip Material:Iridium
        Ground Configuration:Single
        Ground Electrode Core Material:Nickel Alloy
        Ground Electrode Quantity:1
        Ground Electrode Tip Design:Single Prong Electrode
        Hex Size:16mm
        Insulator Height:2.067 in
        Manufacturer Heat Range:5
        Pre-Gap Size:0.043 in
        Reach:1.232 in
        Resistor Type:Yes
        Seat Type:Tapered
        Thread Diameter:0.551 in
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