Spark plug · Bosch

Equivalents for the Bosch spark plug W4A

The Bosch W4A spark plug — heat range medium, electrode nickel, hex size 13/16″ (20,8 mm), tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), thread 14 mm, reach 12.7 mm. 56 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…

Technical information Bosch W4A spark plug

Ground electrodes
1
Torque
fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

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What can replace a Bosch W4A spark plug?

The Bosch W4A is interchangeable with: Bosch W2AC, Champion L77JC4, Denso W24FSU, Bosch W240M, Bosch W280T13S, Champion L77JC4053. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Bosch W4A?

Spark plug wrench 13/16″ (20,8 mm), Thread 14 mm, Reach 12.7 mm, Heat range Medium, Electrode Nickel, Resistor no, Seat Flat (gasket), Ground electrodes 1, Torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

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.