Denso 4009 U24FS-U Nickel U-Groove Spark Plug

SKU #U24FS-U
ITEM #DEN4009
BRAND DENSO

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  • Description
    Denso U-Groove spark plugs feature a u-shaped groove in the ground electrode, giving the flame a groove to grow in, resulting in less flame dissipation and a larger flame front for a more complete combustion. This translates to better fuel efficiency and improved throttle response. Machine rolled threads prevent seizing or cross threading during installation and removal. 100% pre-fired to assure the highest quality possible. Purified alumina powder insulator provides exceptional strength and thermal conductivity. Five rib insulator prevents flashover. Copper-glass seal bonds center electrode and insulator for a gas-tight seal.
  • Product Specifications
    • Shell
    • Thread Diameter10mm
    • Thread Pitch1.0mm
    • Seat TypeGasket
    • Reach12.7mm (1/2")
    • Hex Size5/8" (16mm)
    • Terminal TypeThreaded Stud
    • Overall HeightBantam
    • Gap.028" (0.7mm)
    • Center Electrode
    • MaterialNickel
    • TypeStandard
    • Size2.5mm
    • ProjectionNon-Projected
    • Ground Electrode
    • MaterialNickel
    • TypeU-Groove
    • Quantity1
    • Specifications
    • ResistorNo
    • Heat Range24
    • Torque SpecsCast Iron: 7-11 lb. ft. Aluminum: 7-11 lb. ft.
    • Part Information
    • BrandDenso
    • Warranty12 Months
    • Longevity20-30k Miles
  • Fitment

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    Automotive

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