Spark plug · NGK
Equivalents for the NGK spark plug 6427
NGK 6427, a spark plug. 144 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
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What can replace a NGK 6427 spark plug?
The NGK 6427 is interchangeable with: NGK BPR6E, Bosch WR 7 D+, Champion RN9YC, NGK BR6EB, NGK BPR6ES, NGK BPR6EY. 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.