Platinum Spark Plug
InfoVehicle Info Needed
MOTORCRAFTPART NUMBER: 037-SP405X

Platinum Spark Plug

$821
ShippingShips on 09/10/2026
Lowest PriceLowest Price Guarantee

Motorcraft Spark Plugs
  • Single Platinum
  • Platinum Spark Plug
  • .679 in. Reach
  • 14mm Thread
  • Tapered Seat
  • Sold Individually

    Motorcraft SP405X Spark Plug Features:

    • Nickel plated shell protects against corrosion 
    • Delivers faster starts, great fuel economy, and even better acceleration with 60,000 to 100,000-mile service interval
    • Tested to Fords Specs and standards
    • Motorcraft Spark Plugs are precisely engineered and manufactured to provide everyday reliability and efficient performance. Available for most vehicle makes and models,Motorcraft Spark Plugs, are tested to Ford specifications for performance and emission standards. Best of all they are the same part that was installed when the vehicle rolled-off the assembly line.
    Part TypeSpark Plug
    Product LineMotorcraft Spark Plugs
    BrandMOTORCRAFT
    Package Height1.05
    Package Width1.1
    Package Length3.45
    Weight0.065 PG
    Seat TypeTapered
    Spark Plug Approximate Resistor Value2,000 - 12,000
    Insulator Height51.4604
    Center Electrode Tip MaterialPlatinum
    Center Electrode DesignFinewire
    Ground Electrode Tip MaterialNickel
    Thread Size14
    Center Electrode Core MaterialCopper
    Hex Size15.875
    Vendor Part NumberMTCSP405X
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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