Spark plug · Mazda
Equivalents for the Mazda spark plug ZR03-18-110
Mazda ZR03-18-110, a spark plug. All its 2 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
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2 equivalents compatible with the Mazda ZR03-18-110 spark plug
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What can replace a Mazda ZR03-18-110 spark plug?
The Mazda ZR03-18-110 is interchangeable with: NGK R6725-115, Denso IRE01-35. 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.