Equivalents for the Marchal spark plug 37S
Marchal 37S is an automotive spark plug — tightening torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn), heat range hot, reach 12.7 mm, thread 14 mm. Compare its 218 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
Technical information Marchal 37S 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 37S spark plug?
The Marchal 37S is interchangeable with: NGK B5HS, Bosch W8A, Champion L10, Bosch W8AP, Bosch WR8AP, Bosch W 8 AC. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Marchal 37S?
Thread 14 mm, Reach 12.7 mm, Heat range Hot, 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.