Equivalents for the ACDelco spark plug S81F
Meet the ACDelco S81F spark plug featuring tightening torque cast iron 35–45 N·m · aluminium 35–40 N·m — or 180°–240° (½–⅔ turn), thread 18 mm, heat range cold. Here are its 25 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information ACDelco S81F spark plug
- Resistor
- no
- Torque
- cast iron 35–45 N·m · aluminium 35–40 N·m — or 180°–240° (½–⅔ turn)
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25 equivalents compatible with the ACDelco S81F spark plug
No equivalent for this brand selection.
What can replace a ACDelco S81F spark plug?
The ACDelco S81F is interchangeable with: Bosch M250MZ1, Champion D6, Denso M22, Champion M22, Denso M24S, Torch A8. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the ACDelco S81F?
Thread 18 mm, Heat range Cold, Gap 0.45mm, Resistor no, Seat Flat (gasket), Torque cast iron 35–45 N·m · aluminium 35–40 N·m — or 180°–240° (½–⅔ turn)
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.