Spark plug · NGK
Equivalents for the NGK spark plug 7021
NGK 7021 is a spark plug. All its 108 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
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What can replace a NGK 7021 spark plug?
The NGK 7021 is interchangeable with: NGK BPM6A, Bosch WR 7 BC, Champion RL87YC, NGK BPR6HS, NGK BPR6HSA, Bosch WS 8 F. 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.