Spark plug · NGK
Equivalents for the NGK spark plug 6737
Meet the NGK 6737 spark plug. All its 100 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
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100 equivalents compatible with the NGK 6737 spark plug
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What can replace a NGK 6737 spark plug?
The NGK 6737 is interchangeable with: NGK ZFR5P-G, Bosch F 7 HER2, Champion RC10ECC, NGK ZFR6P-G, NGK ZFR6D-11, NGK ZFR6E-11. 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.