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    ACDelco Conventional Spark Plug

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    Warranty Information
    • Product Details

      Part No. R44LTSM

      Warranty Details (2 YR REPLACEMENT IF DEFECTIVE)

      ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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 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:

      • 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 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:Nickel
        Ground Electrode Core Material:Nickel-Alloy
        Ground Electrode Quantity:1
        Hex Size:8-May
        Manufacturer Heat Range:4
        Pre-Gap Size:0.04 in
        Programming Required:No
        Reach:0.68 in
        Resistor Type:Yes
        Seat Type:Tapered
        Thread Diameter:0.55 in
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