Spark plug · Bosch
Equivalents for the Bosch spark plug WR 56
The Bosch WR 56 spark plug. All its 48 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
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48 equivalents compatible with the Bosch WR 56 spark plug
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What can replace a Bosch WR 56 spark plug?
The Bosch WR 56 is interchangeable with: NGK V-Line Nr. 17, Bosch WR 78, Champion RN 4 C, Bosch WR 91, Bosch WR 5 DC, Bosch WR 78 X. 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.