Spark plug · Bosch

Equivalents for the Bosch spark plug WR4AC

The Bosch WR4AC spark plug — reach 12.7 mm, electrode nickel, thread 14 mm, 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), heat range medium. Here are its 155 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.

Technical information Bosch WR4AC spark plug

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

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155 equivalents compatible with the Bosch WR4AC spark plug

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What can replace a Bosch WR4AC spark plug?

The Bosch WR4AC is interchangeable with: Bosch W2AC, Champion L78C, Denso W16FSR, Bosch WR2AC, Bosch WR8AC, Bosch W280T13S. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Bosch WR4AC?

Spark plug wrench 13/16″ (20,8 mm), Thread 14 mm, Reach 12.7 mm, Heat range Medium, Electrode Nickel, Resistor yes, Seat Flat (gasket), Construction Super, 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.