Equivalents for the Bosch spark plug SUPER plus 21
Bosch SUPER plus 21, a 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 Bosch SUPER plus 21 spark plug
No equivalent for this brand selection.
What can replace a Bosch SUPER plus 21 spark plug?
The Bosch SUPER plus 21 is interchangeable with: NGK BPR6E-11, Bosch WR 7 D+X, Denso W20EX-U11, NGK BPR6EY-11, NGK V-Line 10, Bosch WR 7 DCX+. 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.