Spark plug · Engels
Equivalents for the Engels spark plug FE40
Meet the Engels FE40 spark plug. Browse its 41 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
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What can replace a Engels FE40 spark plug?
The Engels FE40 is interchangeable with: Bosch W9C, Champion N21, Denso W14E, Bosch W 9 CC, Bosch W 10 CC, Brisk L19. 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.