Spark plug · NGK
Equivalents for the NGK spark plug 5637
The NGK 5637 spark plug. Browse its 31 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
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What can replace a NGK 5637 spark plug?
The NGK 5637 is interchangeable with: NGK BP6E, Bosch WR7DC+, Champion N9YC, NGK BP6EY, NGK V-Line 4, Denso W20EP-U. 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.