Spark plug · NGK
Equivalents for the NGK spark plug 5728
The NGK 5728 spark plug. Find its 51 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
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What can replace a NGK 5728 spark plug?
The NGK 5728 is interchangeable with: NGK BMR4A, Bosch WSR 8 E, Champion RJ17LM, NGK BMR6A, Bosch WSR 9 EC, Champion CJ14. 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.