Spark plug · NGK
Equivalents for the NGK spark plug CS5(BM4A)
The NGK CS5(BM4A) spark plug. Browse its 153 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
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What can replace a NGK CS5(BM4A) spark plug?
The NGK CS5(BM4A) is interchangeable with: NGK BM4A, Bosch WS12E, Champion CJ8, NGK BM6A, Bosch WS9EC, Bosch WS 8 E. 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.