Spark plug · Champion

Equivalents for the Champion spark plug 641

The Champion 641 spark plug featuring tightening torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour), heat range medium, thread 18 mm, reach 12.7 mm. Browse its 21 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.

Technical information Champion 641 spark plug

Terminal
8-32 UNC/BRASS
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 641 spark plug?

The Champion 641 is interchangeable with: Bosch MR3BPP330, Champion RM77N, Denso GT3-1, Champion RM78P, Champion RM77N20, Champion RM77N048. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Champion 641?

Thread 18 mm, Reach 12.7 mm, Heat range Medium, Terminal 8-32 UNC/BRASS, 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.