Equivalents for the Opel spark plug 12 14 121
Opel 12 14 121 is an automotive spark plug. Browse its 31 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
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31 equivalents compatible with the Opel 12 14 121 spark plug
No equivalent for this brand selection.
What can replace a Opel 12 14 121 spark plug?
The Opel 12 14 121 is interchangeable with: NGK BPR 6 ES, Bosch WR 6 D+, Champion RL 78 C, NGK V-Line Nr. 26, Denso W 16 FP, Denso W 20 EXR-U. 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.