Equivalents for the Champion spark plug 921
The Champion 921 spark plug : heat range medium, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), thread 14 mm. 10 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Champion 921 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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10 equivalents compatible with the Champion 921 spark plug
No equivalent for this brand selection.
What can replace a Champion 921 spark plug?
The Champion 921 is interchangeable with: Autolite A403, Motorcraft SP-455, Mopar P-N-4, Motorcraft AGS2CF4, Sears STD360951, Denso 3055. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Champion 921?
Thread 14 mm, Heat range Medium, Gap 0.65mm, 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.