Equivalents for the ACDelco spark plug R45LS
ACDelco R45LS is a spark plug — heat range hot, thread 14 mm, reach 11.1 mm, tightening torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn). 18 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information ACDelco R45LS spark plug
- Resistor
- yes
- Torque
- cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn)
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18 equivalents compatible with the ACDelco R45LS spark plug
No equivalent for this brand selection.
What can replace a ACDelco R45LS spark plug?
The ACDelco R45LS is interchangeable with: Bosch W125TR4, Champion RH10C, Autolite A437, Champion RH10CT04, Champion RH10C/014, Champion RH10C/T04. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the ACDelco R45LS?
Thread 14 mm, Reach 11.1 mm, Heat range Hot, Gap 1.0mm, Resistor yes, Seat Flat (gasket), Torque cast iron 25–35 N·m · aluminium 25–30 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.