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UL77V - Champion Spark Plug ( #831M)

Champion UL77V - Champion Spark Plug ( #831M)

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$12.34

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SPEEDY DELIVERY
30-DAY RETURN
FULL WARRANTY

Part Number
UL77V

Manufacturer
Champion

Replaces OEM 0384771.

Plug Type UL77V
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) 0.5
Gap (Inch) 0.048-0.053
Gap (MM) 1.22-1.35
Center Electrode Diameter (Inch) 0.1
Center Electrode Material Nickel Copper Alloy
Ground Electrode Material Nickel Copper Alloy
Classification Champion Copper Plus Small Engine
Resistor Plug No
Manufacturer Heat Range 77
Electrical Terminal Type Non-Removable Nut

Technical information (PDF)
Warranty (PDF)
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Champion Champion Plug (#831m) Ul77v is equivalent to parts:

  • 509926 Evinrude Johnson OMC BRP
  • 502195 Evinrude Johnson OMC BRP
  • 384771 Evinrude Johnson OMC BRP
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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