Spark plug · NGK
Equivalents for the NGK spark plug 7637
NGK 7637, a spark plug. Find its 19 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
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19 equivalents compatible with the NGK 7637 spark plug
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What can replace a NGK 7637 spark plug?
The NGK 7637 is interchangeable with: NGK B7HS-10, Champion L77JC4, Brisk N14C-1, NGK B8HS-10, Kawasaki J4520W24FSU10, NGK 2108. 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.