Equivalents for the ACDelco spark plug 41-821
The ACDelco 41-821 spark plug with heat range hot, thread 14 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). Here are its 127 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information ACDelco 41-821 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 41-821 spark plug?
The ACDelco 41-821 is interchangeable with: NGK B9EFS, Bosch HR8A, Champion RC8C, Bosch HR8AC, Bosch HR8AY, Bosch HR9AC. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the ACDelco 41-821?
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.