Equivalents for the ACDelco spark plug R43S
ACDelco R43S, a spark plug featuring tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), heat range very hot, thread 14 mm, reach 9.5 mm. Compare its 641 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
Technical information ACDelco R43S spark plug
- Resistor
- yes
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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641 equivalents compatible with the ACDelco R43S spark plug



























































































































































































































































































































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No equivalent for this brand selection.
What can replace a ACDelco R43S spark plug?
The ACDelco R43S is interchangeable with: Bosch W7E, Champion J6, Denso W14P, Bosch W7F, Bosch W8E, Bosch W8F. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the ACDelco R43S?
Thread 14 mm, Reach 9.5 mm, Heat range Very hot, Gap 1.5mm, Resistor yes, 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.