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    Denso W16EXR-U Standard Spark Plug

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    Warranty Information
    Save up to $3 on select ACDelco and Autolite spark plugs by Mail. See Rebates Page for details.
    • Product Details

      Part No. 3031

      Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)

      This standard spark plug features a U-groove design.

    • Specifications
      • Electrode Core Material:Copper
        Electrode Tip Material:Nickle
        Ground Strap Quantity:1
        Insulator Type:Purified Alumina
        Manufacturer Heat Range:16
        Reach:3/4 in
        Seat Type:Gasket
        Thread Diameter:14 mm
        Tip Configuration:Ni
        Wrench Diameter:13/16 in
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