Denso 4011 W9FP Nickel Spark Plug

Denso spark plugs are 100% pre-fired to assure the highest quality possible. Projected insulator nose reduces carbon fouling. Machine rolled threads prevent seizing or cross threading during installation and removal. 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.

• Shell
• Thread Diameter14mm
• Thread Pitch1.25mm
• Seat TypeGasket
• Reach12.7mm (1/2")
• Hex Size13/16" (21mm)
• Terminal TypeThreaded Stud
• Overall HeightExtended Height
• Gap.028" (0.7mm)

• Center Electrode
• MaterialNickel
• TypeStandard
• Size2.5mm
• ProjectionProjected

• Ground Electrode
• MaterialNickel
• TypeStandard
• Quantity1

• Specifications
• ResistorNo
• Heat Range9
• Torque SpecsCast Iron: 26-30 lb. ft. Aluminum: 15-22 lb. ft.

• Part Information
• BrandDenso
• Warranty12 Months
• Longevity20-30k Miles

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