Spark plug · NGK
Equivalents for the NGK spark plug 3066
The NGK 3066 spark plug. 15 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
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15 equivalents compatible with the NGK 3066 spark plug
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What can replace a NGK 3066 spark plug?
The NGK 3066 is interchangeable with: NGK CMR7H, Bosch USR 4 AC, Champion RZ7C, Brisk TR14C, Brisk TR14S, Torch AC7R. 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.