Spark plug · GPG
Equivalents for the GPG spark plug Gateway 3021025
GPG Gateway 3021025, a spark plug. 87 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
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What can replace a GPG Gateway 3021025 spark plug?
The GPG Gateway 3021025 is interchangeable with: Bosch M12A, Champion C15, Denso M14, Bosch M10AC, Bosch M45T1, Bosch M45T5. 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.