Spark plug · Marchal

Equivalents for the Marchal spark plug M101

Marchal M101 is an automotive spark plug — tightening torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn), reach 17.5 mm, thread 14 mm, heat range medium. Compare its 16 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.

Technical information Marchal M101 spark plug

Torque
cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn)

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What can replace a Marchal M101 spark plug?

The Marchal M101 is interchangeable with: Denso T20TT, Valeo M101, Marchal RC68H, Denso T20EPRU, Denso T20EPR-U, Marchal RC72H. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Marchal M101?

Thread 14 mm, Reach 17.5 mm, Heat range Medium, Torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn)

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.