Spark plug · Bosch

Equivalents for the Bosch spark plug WR4AP

Bosch WR4AP, a spark plug featuring electrode platinum, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), hex size 13/16″ (20,8 mm), thread 14 mm, reach 12.7 mm, heat range very hot. Here are its 20 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.

Technical information Bosch WR4AP spark plug

Resistor
yes
Construction
Platinum+
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 WR4AP spark plug?

The Bosch WR4AP is interchangeable with: Denso IWF24, Torch E8RI, Motorcraft AV23, Torch E8RTI, Marelli CWP9N, Splitfire TP409B. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Bosch WR4AP?

Spark plug wrench 13/16″ (20,8 mm), Thread 14 mm, Reach 12.7 mm, Heat range Very hot, Electrode Platinum, Resistor yes, Seat Flat (gasket), Construction Platinum+, 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.