Spark plug · NGK
Equivalents for the NGK spark plug XR40
NGK XR40 is a spark plug. Here are its 603 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information NGK XR40 spark plug
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603 equivalents compatible with the NGK XR40 spark plug
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No equivalent for this brand selection.
What can replace a NGK XR40 spark plug?
The NGK XR40 is interchangeable with: NGK BP5S, Bosch W7E, Champion J6, NGK XR4, NGK XR45, NGK R5670-5. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the NGK XR40?
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.