NGK Spark Plug DR7EA 7839

Price: $1.99
  • SKUDR7EA

NGK Spark Plug DR7EA 7839

NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.

    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

Body

    Thread Size: 12mm
    Thread Pitch: 1.25mm
    Seat Type: Gasket
    Resistor: Yes
    Resistor Value: 5K Ohm
    Reach: 19mm (3/4")
    Hex Size: 18mm
    Terminal Type: Removable Nut
    Overall Height: ISO
    Gap: .028" (0.7mm)

Center Electrode

    Material: Nickel
    Type: Standard
    Size: 2.5mm
    Projection: Non-Projected

Ground Electrode

    Material: Nickel
    Type: Standard
    Quantity: 1

Specifications

    Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft.
    Brand: NGK
    Heat Range: 7
    Longevity: 30k

Outboard Application

  • Honda 90 hp BF90A 4-cyl. 4-Stroke SOHC .028
  • Honda 75 hp BF75A 4-cyl. 4-Stroke SOHC .028
  • Honda 50 hp BF50A 3-cyl. 4-Stroke SOHC .028
  • Honda 45 hp BF45A 3-cyl. 4-Stroke SOHC .028
  • Honda 40 hp BF40A 3-cyl. 4-Stroke SOHC .028
  • Honda 35 hp BF35A 3-cyl. 4-Stroke SOHC .028
  • Honda 30 hp BF30A 3-cyl. 4-Stroke SOHC .028
  • Honda 30 hp BF30D 3-cyl. 4-Stroke SOHC .028
  • Honda 25 hp BF25A 3-cyl. 4-Stroke SOHC .028
  • Honda 25 hp BF25D 3-cyl. 4-Stroke SOHC .028
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