Spark plug · ACDelco
Equivalents for the ACDelco spark plug C86H
Meet the ACDelco C86H spark plug. 14 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
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What can replace a ACDelco C86H spark plug?
The ACDelco C86H is interchangeable with: Bosch M35T1, Lodge C1, KLG CK1, Bosch M45T1, Lodge C3BBL, KLG M30H. 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.