Equivalents for the ACDelco spark plug C421
ACDelco C421 is a spark plug : heat range very cold, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), thread 14 mm. Find its 173 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
Technical information ACDelco C421 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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What can replace a ACDelco C421 spark plug?
The ACDelco C421 is interchangeable with: Bosch W5E, Champion J4, Denso W31S, Bosch W2AC, Bosch W2AS, Bosch W4AC. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the ACDelco C421?
Thread 14 mm, Heat range Very cold, 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.