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    ACDelco Iridium Spark Plug

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    Exact Fit May Not Fit Doesn't Fit for your

    Warranty Information
    Save $15 By Mail when you buy 4 or more Autolite Iridium XP or Iridium Ultra spark plugs and a FRAM Air Filter. See rebates page for more details.
    Save $15 By Mail when you buy 4 or more Autolite Iridium XP or Iridium Ultra spark plugs and a FRAM Air Filter.
    • Product Details

      Part No. 41-103

      Warranty Details (7 YR REPLACEMENT IF DEFECTIVE)

      ACDelco Professional 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. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.

      Product Features:

      • Iridium composition provides a high melting point and great strength, providing excellent wear resistance and durability
      • Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance
      • Three Piece Fired in Suppressor seal meters spark energy for long electrode life, prevents combustion leakage and helps block radio frequencies that can affect vehicle electronics

    • Specifications
      • Center Electrode Core Material:Copper
        Center Electrode Tip Material:Iridium
        Ground Configuration:Single
        Ground Electrode Quantity:1
        Ground Electrode Tip Design:Single Prong Electrode
        Height:.8 in
        Hex Size:16mm
        Insulator Height:2.067 in
        Length:3.7 in
        Manufacturer Heat Range:5
        Pre-Gap Size:0.043 in
        Reach:0.984 in
        Resistor Type:Yes
        Seat Type:Conical
        Thread Diameter:0.551 in
        Weight:.4 lb
        Width:3.2 in
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