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NGK Nickel Surface Gap Spark Plug 7447

SPECIFICATIONS
Product SKU: 7447 M-001
Brand: NGK
Condition: New

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Product Details

NGK Nickel Surface Gap Spark Plug 7447



NGK Nickel Surface Gap Spark Plug


Surface gap plugs are nearly immune to pre-ignition, and usually require a special high energy ignition system. They can be susceptible to fouling, especially in colder applications, but may be necessary in high compression applications.

  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
  • Copper core aids in heat removal
  • Triple seals prevent leakage

Specs:

  • Center Electrode: Material - Nickel
  • Center Electrode: Projection - Non-Projected
  • Center Electrode: Size - 2.5mm
  • Center Electrode: Type - Standard
  • Ground Electrode: Material - Nickel
  • Ground Electrode: Quantity -
  • Ground Electrode: Shape -
  • Ground Electrode: Type - Surface Discharge
  • Shell: Gap - .016" (0.4mm)
  • Shell: Hex Size - 13/16" (21mm)
  • Shell: Overall Height - ISO
  • Shell: Reach - 12.7mm (1/2")
  • Shell: Seat Type - Gasket
  • Shell: Terminal Type - Solid
  • Shell: Thread Diameter - 14mm
  • Shell: Thread Pitch - 1.25mm
  • Specifications: Heat Range - 8
  • Specifications: Resistor - Inductive
  • Specifications: Resistor Value - 35 Ohms
  • Specifications: Torque Specs - Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

Brand: NGK
Part Number: 7447

Fitment:

  • Evinrude 185 hp 1977-1987
  • Johnson Com 200 hp 1992
  • Johnson Com CV6 155 hp 1989-1992
  • Johnson CV6 155 hp 1978-1987
  • Johnson Other 185 hp 1977-1987
  • Mercury 200 XRI 200 hp 1989-2002
  • Mercury Duece High EFI 200 hp 1997
  • Mercury M2 Sport Jet 210 hp 2000-2006
  • Mercury Sport Jet 175XR 175 hp 1997-2006
  • Mercury V-220 Laser 220 hp 1987-1988

Note: Image is for reference only, actual product may vary slightly.



Stock image. Actual product may vary
For Additional Product Details or Technical
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Due to the nature of international returns, we ask that once you open a return request, you work with us to get the best resolution to getting your product back to us for a full refund. We will do everything we can to help!
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