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J8C - Champion Spark Plug ( #841)

Champion J8C - Champion Spark Plug ( #841)
Champion J8C - Champion Spark Plug ( #841)

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$2.81

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30-DAY RETURN
FULL WARRANTY

Part Number
J8C

Manufacturer
Champion

Plug Type J8C
Seat Type Gasket
Hex Size (Inch) 0.813
Hex Size (MM) 20.650
Thread Size (Inch) 0.551
Thread Size (MM) 14.000
Thread Reach (Inch) 0.375
Taper Diameter (Inch) 0.25
Installed Height (Inch) 2.24
Gap (Inch) 0.027-0.033
Gap (MM) 0.69-0.84
Center Electrode Diameter (Inch) 0.1
Center Electrode Material Nickel Copper Alloy
Ground Electrode Material Nickel Copper Alloy
Ground Electrode Quantity 1
Classification Champion Copper Plus Small Engine
Resistor Plug No
Manufacturer Heat Range 8
Electrical Terminal Type Removable Nut

Technical information (PDF)
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Champion Champion Plug (#841) J8c is equivalent to parts:

  • 896329841 Mercury Marine
  • 813469 Mercury Marine
  • 813416 Mercury Marine
  • 33896329841 Mercury Marine
  • 33813469 Mercury Marine
Champion spark plugs use an extruded copper core in the center electrode that maintains accurate control of heat range, optimizing the performance and longevity of the spark plug. This not only will provide you with a dependable start but gives you the confidence that you'll keep going.

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