Spark plug · Denso
Equivalents for the Denso spark plug 3440
Denso 3440 is an automotive spark plug. Compare its 145 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
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What can replace a Denso 3440 spark plug?
The Denso 3440 is interchangeable with: NGK DIFR5C11, Bosch FR 8 DI 30, Champion RC10WYPB4, NGK BKR5EIX-11, NGK BCPR5EIX-11, NGK BKR5EIX-11P. 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.