Champion Marine Spark Plug QL77JC4/T10

Champion Copper Plus Spark Plug: Reliable Performance Guaranteed

Experience consistent and dependable performance with the Champion Copper Plus Spark Plug. Crafted with a copper core electrode, this spark plug ensures increased conductivity and precise heat control, resulting in optimal wear resistance and longevity.

Key Features:

• Copper Plus Design: Engineered for dependable performance and durability.


• OE Type Replacement: Seamlessly integrates into your engine.


• Resists Fouling: Maintains performance by resisting fouling.


• Copper Core Centre Electrode: Allows for accurate control of heat range, extending plug life.


• Superior Corrosion Resistance: Withstands various conditions for long-lasting performance.


• Built to Standards: Compliant with ISO and SAE standards for proven performance.

Spark Plug Dimensions:

• Plug Type: QL77JC4


• Centre Electrode Tip Material: Nickel


• Ground Electrode Quantity: 1


• Hex Size (IN): 0.813 (20.650mm)


• Manufacturer Heat Range: 77


• Seat Type: Flat


• Reach (IN): 0.5


• Thread Diameter (IN): 0.551 (14.000mm)


• Resistor Type: Yes


• Ground Electrode Tip Design: Cut Back


• Ground Electrode Core Material: Nickel


• Washer Included: Yes


• Classification: Champion Copper Plus Small Engine


• Electrical Terminal Type: Non-Removable Nut


• Hex Type: Hex


• Washer Type: Crush


• Indexed: No


• Part Description: Spark Plug

Cross Reference Numbers ONLY

If unsure of compatibility, please check fitments via catalogue HERE before purchase.

DENSO - W27FSR,

NGK - BR9HS, 

TORCH - E9RC

Champion Motorcycle Spark plugs are now available through ORO2U. Use our online catalogue HERE to quickly browse vehicle cross references and access up-to-date fitment information. All our catalogues now have clickable links taking you directly to our product page.

VEHICLE COMPATIBILITY: