Spark plug · Marelli
Equivalents for the Marelli spark plug W20TT
Marelli W20TT is a spark plug. Find its 9 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
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9 equivalents compatible with the Marelli W20TT spark plug
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What can replace a Marelli W20TT spark plug?
The Marelli W20TT is interchangeable with: NGK IFR7X7G, Denso IK20, Marelli IK20TT, NGK PTR5A-13, Denso PK22PR8, Denso SC16HR11. 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.