Spark plug · Bosch
Equivalents for the Bosch spark plug W 3 CS
Bosch W 3 CS, a spark plug. Here are its 68 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
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What can replace a Bosch W 3 CS spark plug?
The Bosch W 3 CS is interchangeable with: NGK B9EG, Bosch W2C, Denso W27EN, NGK B9ECS, NGK B9EGV, NGK B9EVX. 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.