Equivalents for the Champion spark plug 643
Meet the Champion 643 spark plug featuring thread 18 mm, tightening torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour), heat range medium, reach 20.3 mm. Here are its 25 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information Champion 643 spark plug
- Terminal
- SAE
- Torque
- fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour)
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25 equivalents compatible with the Champion 643 spark plug
No equivalent for this brand selection.
What can replace a Champion 643 spark plug?
The Champion 643 is interchangeable with: Bosch MR3DPP33, Champion RB75N, Denso GI31, Champion RB75WN, Champion RB75N012, Denso GI3-1. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Champion 643?
Thread 18 mm, Reach 20.3 mm, Heat range Medium, Terminal 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.