Spark plug · ACDelco
Equivalents for the ACDelco spark plug 45R
ACDelco 45R is a spark plug. Here are its 12 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
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12 equivalents compatible with the ACDelco 45R spark plug
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What can replace a ACDelco 45R spark plug?
The ACDelco 45R is interchangeable with: Bosch W145T3, Champion J8, Autolite AT8, Champion XJ8, Lodge C14, KLG CL1S. These spark plugs share the same mounting (thread, seat) and heat range.
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.