Spark plug · NGK
Equivalents for the NGK spark plug 3717
NGK 3717, a spark plug. Find its 50 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
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What can replace a NGK 3717 spark plug?
The NGK 3717 is interchangeable with: NGK D9EVX, Champion RA2HC, Denso X27EP-U9, NGK DCPR9E, NGK DR9EVX, NGK DP9EA-9. 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.