Equivalents for the NGK spark plug 304
NGK 304 is an automotive spark plug. Here are its 26 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
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26 equivalents compatible with the NGK 304 spark plug
No equivalent for this brand selection.
What can replace a NGK 304 spark plug?
The NGK 304 is interchangeable with: NGK PFR 6 G-11, Champion RC 8 PYP, Denso U 22 FS-L, Champion DJ 8, Champion RCJ8Y, Champion OE 207. 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.