Equivalents for the NGK spark plug R4304-A9
NGK R4304-A9 is an automotive spark plug. Browse its 1000 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
Technical information NGK R4304-A9 spark plug
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1000 equivalents compatible with the NGK R4304-A9 spark plug
No equivalent for this brand selection.
What can replace a NGK R4304-A9 spark plug?
The NGK R4304-A9 is interchangeable with: NGK B9EG, Bosch M2C, Champion N1, NGK B9ES, NGK B9EV, NGK B9ECS. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the NGK R4304-A9?
Seat Flat (gasket)
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.