Equivalents for the ACDelco spark plug R 3603
Meet the ACDelco R 3603 spark plug. Find its 13 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
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13 equivalents compatible with the ACDelco R 3603 spark plug
No equivalent for this brand selection.
What can replace a ACDelco R 3603 spark plug?
The ACDelco R 3603 is interchangeable with: NGK BR 6 EY, Bosch W 3 AC, Champion RF 7 YCC, NGK BR 7 ES, Denso W 24 ES-ZU, Beru 14 SR-6 F. 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.