Spark plug · Champion

Equivalents for the Champion spark plug 555

Champion 555, a spark plug with reach 12.7 mm, thread 18 mm, heat range very hot, tightening torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour). 44 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…

Technical information Champion 555 spark plug

Terminal
M4/SAE
Torque
fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour)

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What can replace a Champion 555 spark plug?

The Champion 555 is interchangeable with: Bosch M8AC0, Champion RD14*, Denso MA16R-U, Champion RD15Y*, Champion UD16, Champion CCH555. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Champion 555?

Thread 18 mm, Reach 12.7 mm, Heat range Very hot, Terminal M4/SAE, Torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour)

Cross-references and specifications are provided for guidance only. The wrench size can vary by brand, and some data is inferred from the plug code or an equivalent reference. Always check the vehicle manufacturer's recommendation before buying and fitting.