Equivalents for the ACDelco spark plug R 6600
ACDelco R 6600, a spark plug. Find its 25 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
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25 equivalents compatible with the ACDelco R 6600 spark plug
No equivalent for this brand selection.
What can replace a ACDelco R 6600 spark plug?
The ACDelco R 6600 is interchangeable with: NGK BKR 4 EY-11, Bosch W 9 LC, Champion RC 87 YCL, NGK ZGR5A, NGK VLine15, Bosch W 8 LCR. 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.