Spark plug · Denso
Equivalents for the Denso spark plug 4604
Meet the Denso 4604 spark plug. Here are its 72 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
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What can replace a Denso 4604 spark plug?
The Denso 4604 is interchangeable with: NGK ZFR6U-9, Bosch F 7 DER, Denso T04, Bosch FR 7 D+, Bosch FR 7 DE, Bosch FR 7 DC+. 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.