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    ACDelco Conventional Spark Plug

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    Warranty Information
    • Product Details

      Part No. 41-629

      Warranty Details (2 YR REPLACEMENT IF DEFECTIVE)

      ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.

      Product Features:

      • Black Onyx coating helps reduce corrosion
      • Copper core provides great heat transfer and helps maximize plug durability
      • Ribbed suppressor seal extends resistance and helps prevent spark 'flash over' and misfires
      • Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
      • Available for use in Marine applications

    • Specifications
      • Center Electrode Core Material:Copper
        Center Electrode Tip Material:Nickel
        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:2.007 in
        Pre-Gap Size:0.035 in
        Programming Required:No
        Reach:0.75 in
        Resistor Type:Yes
        Seat Type:Gasket
        Thread Diameter:0.551 in
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