Equivalents for the Champion spark plug 121S
Meet the Champion 121S spark plug — thread 14 mm, heat range hot, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). All its 77 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
Technical information Champion 121S spark plug
- Resistor
- no
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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77 equivalents compatible with the Champion 121S spark plug
No equivalent for this brand selection.
What can replace a Champion 121S spark plug?
The Champion 121S is interchangeable with: Bosch HR8A, Champion RV8C, Denso T20RU, Bosch HR8AC, Bosch HR8AY, Bosch HR9AC. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Champion 121S?
Thread 14 mm, Heat range Hot, Resistor no, Seat Flat (gasket), Torque fonte 25–35 N·m · alu 25–30 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.