Champion 821M L77JC4 Spark Plug
Champion 821M L77JC4 Spark Plug.
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Fits Evinrude/Johnson, Mercury Marine, OMC and Yamaha engines.
Specifications:
Shell
Thread Size: 14mm
Thread Reach: 0.5"
Seat Type: Gasket
Resistor: No
Hex Size: 0.813" (20.650mm)
Terminal Type: Non-Removable Nut
Gap: 0.027-0.033"
Center Electrode
Material: Nickel
Size: 0.1"
Ground Electrode
Material: Nickel
Quantity: 1
Heat Range: 77
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Fits Evinrude/Johnson, Mercury Marine, OMC and Yamaha engines.
Specifications:
Brand | Champion Spark Plugs |
---|---|
Cross Reference / Specs |
PROPOSITION 65 WARNING: FOR MORE INFORMATION, VISIT WWW.P65WARNINGS.CA.GOV