NGK 3481 DCPR6E Standard Spark Plug.

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

Fits Johnson, Mariner, Mercury, Nissan, Suzuki and Tohatsu outboard engines.

Specifications:
Shell
Thread Size: 12mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Resistor: Yes
Resistor Value: 5K Ohm
Reach: 19mm (3/4")
Hex Size: 5/8" (16mm)
Terminal Type: Solid
Overall Height: JIS
Gap: .035" (0.9mm)


Center Electrode
Material: Nickel
Type: Standard
Size: 2.5mm
Projection: Projected


Ground Electrode
Material: Nickel
Type: Standard
Quantity: 1


Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
Brand: NGK
Heat Range: 6
Longevity: 30k Miles

Mercury-Mercruiser 33-803507 SPARK PLUG, NGK#DCPR6E (NGK#DCPR6E)

33-803507 SPARK PLUG has been superseded to a new part number.
The newest part number is 8M0204682