Spark plug · Bosch
Equivalents for the Bosch spark plug W 9 EC0
Meet the Bosch W 9 EC0 spark plug. All its 29 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
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29 equivalents compatible with the Bosch W 9 EC0 spark plug
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What can replace a Bosch W 9 EC0 spark plug?
The Bosch W 9 EC0 is interchangeable with: NGK B4-LM, Champion J17LM, Denso W14LM-U, Denso W14LM-US, Beru 14 S-9 E0, Beru Z 262. 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.