Equivalents for the Bosch spark plug FR 78
Bosch FR 78, a spark plug. Here are its 43 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
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43 equivalents compatible with the Bosch FR 78 spark plug
No equivalent for this brand selection.
What can replace a Bosch FR 78 spark plug?
The Bosch FR 78 is interchangeable with: NGK BCP 6 ET, Bosch FR 56, Champion RC 12 MC4, NGK BK 5 ESZ, NGK V-Line Nr. 3, NGK V-Line Nr. 32. 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.