Equivalents for the Eyquem spark plug A521
Eyquem A521, a spark plug. Here are its 99 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
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99 equivalents compatible with the Eyquem A521 spark plug
No equivalent for this brand selection.
What can replace a Eyquem A521 spark plug?
The Eyquem A521 is interchangeable with: NGK ZFR5P-G, Bosch F 7 HER2, Champion RC10ECC, NGK ZFR6P-G, NGK ZFR6D-11, NGK ZFR6E-11. 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.