Equivalents for the ACDelco spark plug R43CTS
ACDelco R43CTS is a spark plug — heat range very hot, thread 14 mm, reach 11.7 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). Find its 475 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
Technical information ACDelco R43CTS 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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475 equivalents compatible with the ACDelco R43CTS spark plug


























































































































































































































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No equivalent for this brand selection.
What can replace a ACDelco R43CTS spark plug?
The ACDelco R43CTS is interchangeable with: NGK BP6FS, Bosch H6B, Champion RC8C, Bosch H7B, Bosch H8B, Bosch H9B. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the ACDelco R43CTS?
Thread 14 mm, Reach 11.7 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.