Spark plug · Bosch
Equivalents for the Bosch spark plug W 9 DCO
Meet the Bosch W 9 DCO spark plug. Find its 53 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
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What can replace a Bosch W 9 DCO spark plug?
The Bosch W 9 DCO is interchangeable with: NGK BP2E, Bosch W 9 DC, Champion N 13 Y, NGK BP4ES, NGK BP5ESZ, Bosch W 125 T 30. 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.