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Champion Marine Spark Plug L77JC4 #821 Replaces L4G L77J4 L77JC W250T1 W280S1S Box or Card
Purchase is for one spark plug.
The spark plug is designed to withstand high temperatures and fits most small-engine brands and models.
For use with small marine engines
Champion copper plus small engine plugs resist fouling and provide superior corrosion resistance
Feature a copper core electrode that provides increased conductivity and heat control while delivering good overall wear characteristics
Engineered to exceed OE designs and maximum durability
Designed for easy starting
Plug Type: L77JC4
Seat Type: Gasket
Hex Size: 13/16 Inch (20 mm)
Thread Size: 14 mm
Plug Reach: 0.5 in (12.7 mm)
MPN: 821
UPC:New stock: 0375510006178 or 037551011438 or 037551005109
Old stock: 037551120703 or 03755156620
USA domestic shipments are shipped USPS Ground Advantage Mail with Tracking