Equivalents for the ACDelco spark plug S121F
ACDelco S121F is a spark plug with thread 12 mm, reach 12.5 mm, tightening torque fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour), heat range medium. Here are its 22 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information ACDelco S121F spark plug
- Torque
- fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour)
Buy this spark plug ACDelco S121F — best retailers
Partner links: a purchase made through these links may earn us a commission, at no extra cost to you.
22 equivalents compatible with the ACDelco S121F spark plug
No equivalent for this brand selection.
What can replace a ACDelco S121F spark plug?
The ACDelco S121F is interchangeable with: Champion P7, Denso X24FSR, Torch C8RC, Champion P7G, Champion RP7, Champion P7014. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the ACDelco S121F?
Thread 12 mm, Reach 12.5 mm, Heat range Medium, Torque fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ 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.