Spark plug · NGK
Equivalents for the NGK spark plug 3177
Meet the NGK 3177 spark plug. All its 594 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
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What can replace a NGK 3177 spark plug?
The NGK 3177 is interchangeable with: NGK BR6EF, Bosch H6D, Champion G15Y, NGK BR7EF, NGK BPR6EF, NGK BR7EFS. 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.