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    Motorcraft Original Equipment Finewire Single Platinum Spark Plug

    Part # SP-405
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    Save $3 per Spark Plug by mail when you buy 4 or more ACDelco Professional Iridium Spark Plugs. See rebates page for details.
    • Product Details

      Part No. SP-405

      Warranty Details (2 YR REPLACEMENT IF DEFECTIVE)

      Motorcraft Original Equipment spark plugs are designed, engineered and recommended by Ford Motor Company.

      Product Features:

      • Same part installed when the engine rolled off the assembly line
      • Features a center-wire platinum firing tip for reduced gap erosion, fewer misfires, enhanced performance and increased durability

    • Specifications
      • Center Electrode Core Material:Copper core
        Electrode Core Material:Platinum alloy
        Electrode Tip Material:Finewire
        Ground Electrode Core Material:Nickel alloy
        Hex Size:5/8 in
        Insulator Type:Standard
        Length:3.124
        Manufacturer Heat Range:3
        Reach:0.679 in
        Resistor:Yes
        Rib Configuration:Standard
        Seat Type:Tapered
        Side Electrode:Yes
        Terminal Top Type:Fixed
        Thread Diameter:14 mm
        Tip Configuration:Single platinum
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