Equivalents for the Bosch spark plug W3A
The Bosch W3A spark plug with reach 12.7 mm, heat range cold, tightening torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn), electrode nickel, thread 14 mm, hex size 13/16″ (20,8 mm). Compare its 72 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
Technical information Bosch W3A spark plug
- Resistor
- no
- Ground electrodes
- 1
- Torque
- cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn)
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Buy a spark plug wrench 13/16″ (20,8 mm) wrench
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What can replace a Bosch W3A spark plug?
The Bosch W3A is interchangeable with: NGK B9HS, Bosch W240M, Champion L78, Bosch W 3 AC, Bosch W 4 AC, Champion L584. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Bosch W3A?
Spark plug wrench 13/16″ (20,8 mm), Thread 14 mm, Reach 12.7 mm, Heat range Cold, Electrode Nickel, Resistor no, Seat Flat (gasket), Ground electrodes 1, 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.