Equivalents for the Wellman spark plug W408
Wellman W408, a spark plug featuring heat range very hot, thread 14 mm, tightening torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn). Compare its 161 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
Technical information Wellman W408 spark plug
- Resistor
- no
- Torque
- cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn)
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161 equivalents compatible with the Wellman W408 spark plug
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No equivalent for this brand selection.
What can replace a Wellman W408 spark plug?
The Wellman W408 is interchangeable with: Bosch F005X04828, Champion W408, Denso G108, Bosch GLP103, Bosch GPH-408, Champion CH306. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Wellman W408?
Thread 14 mm, Heat range Very hot, Gap 0.05mm, Resistor no, Seat Flat (gasket), 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.