Spark plug · ACDelco
Equivalents for the ACDelco spark plug R 2603
ACDelco R 2603 is a spark plug. Compare its 11 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
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11 equivalents compatible with the ACDelco R 2603 spark plug
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What can replace a ACDelco R 2603 spark plug?
The ACDelco R 2603 is interchangeable with: NGK BCPR7ET, Bosch FR 5 DTC, Denso K22PBR-S, Beru 14 FR-5 DTU, Beru Z45, Eyquem RFC 82 LS 3. 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.