Spark plug · NGK
Equivalents for the NGK spark plug 301
The NGK 301 spark plug. Find its 275 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
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What can replace a NGK 301 spark plug?
The NGK 301 is interchangeable with: NGK CS4, Bosch W5AP, Champion K19, NGK B4LM, NGK B4-LM, NGK B4LMVP1. 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.