Spark plug · NGK
Equivalents for the NGK spark plug 3737
Meet the NGK 3737 spark plug. All its 1000 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
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1000 equivalents compatible with the NGK 3737 spark plug
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No equivalent for this brand selection.
What can replace a NGK 3737 spark plug?
The NGK 3737 is interchangeable with: NGK BKR5E, Bosch F8DC, Champion C9Y, NGK BKR6E, NGK BCPR5E, NGK BCPR6E. 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.