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    ACDelco Conventional Spark Plug

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    Exact Fit May Not Fit Doesn't Fit for your

    Warranty Information
    Save up to $24 By Mail when you buy 8 ACDelco Spark Plugs. See Rebates Page for more details on all ACDelco Spark Plug offers.
    • Product Details

      Part No. R45

      Warranty Details (2 YR REPLACEMENT IF DEFECTIVE)

      ACDelco Gold (Professional) Conventional Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These 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. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

      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
      • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
      • Premium aftermarket replacement part
      • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

    • Specifications
      • Center Electrode Core Material:Copper
        Center Electrode Tip Material:Nickel
        Ground Electrode Core Material:Nickel-Alloy
        Ground Electrode Quantity:1
        Hex Size:13/16
        Manufacturer Heat Range:5
        Pre-Gap Size:0.04 in
        Reach:0.37 in
        Resistor Type:Yes
        Seat Type:Gasket
        Thread Diameter:0.55 in
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