Spark plug · Hercules
Equivalents for the Hercules spark plug M 45
Hercules M 45 is an automotive spark plug. 155 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
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What can replace a Hercules M 45 spark plug?
The Hercules M 45 is interchangeable with: NGK B6H, Bosch W 7 AC, Champion L7, NGK B6HS, NGK B7HC, Bosch W 175 T 1. 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.