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    Motorcraft Original Equipment Copper Core Spark Plug

    Part # SP-406
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    Save $10 after mail-in rebate when you buy 4 or more Denso Iridium Spark Plugs. See rebates page for details.
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    • Product Details

      Part No. SP-406

      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
      • Designed to deliver quick starts, enhanced fuel economy and smooth acceleration

    • Specifications
      • Electrode Core Material:Copper Core
        Electrode Tip Material:Inconel
        Ground Strap Quantity:1
        Insulator Type:Standard
        Manufacturer Heat Range:4
        Reach:0.75 in
        Resistor:Yes
        Seat Type:Gasket
        Shorty Spark Plug:No
        Thread Diameter:14 mm
        Tip Configuration:Copper Core
        Type:Spark Plug
        Wrench Diameter:5/8 in
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