Equivalents for the Bosch spark plug WR 78 X
The Bosch WR 78 X spark plug. Find its 59 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
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59 equivalents compatible with the Bosch WR 78 X spark plug
No equivalent for this brand selection.
What can replace a Bosch WR 78 X spark plug?
The Bosch WR 78 X is interchangeable with: NGK BPR 5 E, Bosch WR 56, Champion RL 82 YCC, NGK BPR 4 EY, NGK BPR 5 EA, NGK BPR 5 ES. 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.