Spark plug · NGK
Equivalents for the NGK spark plug 522
NGK 522, a spark plug. 21 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
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21 equivalents compatible with the NGK 522 spark plug
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What can replace a NGK 522 spark plug?
The NGK 522 is interchangeable with: NGK BCPR6ET, Champion RC 89 TMC, Denso K20TT, NGK BKR6ETUC, Champion OE 120, Champion OE120/T10. 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.