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J4C - Champion Spark Plug ( #825)

Champion J4C - Champion Spark Plug ( #825)

List Price
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Your Price
$5.03

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SPEEDY DELIVERY
30-DAY RETURN
FULL WARRANTY

Part Number
J4C

Manufacturer
Champion

Replaces OEM 0378101.

Plug Type J4C
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
Gap (Inch) 0.028-0.033
Gap (MM) 0.71-0.84
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 4
Electrical Terminal Type Non-Removable Nut

Technical information (PDF)
Warranty (PDF)
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Champion Champion Plug (#825) J4c is equivalent to parts:

  • 509929 Evinrude Johnson OMC BRP
  • 502193 Evinrude Johnson OMC BRP
  • 378101 Evinrude Johnson OMC BRP
  • 896329825 Mercury Marine
  • 825S Mercury Marine
  • 813415 Mercury Marine
  • 33896329825 Mercury Marine
  • 33813415 Mercury Marine
  • 33   825S 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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