3942497 Cummins Compatible Compressor Gear

This compressor gear plays a critical role in the mechanical timing and drive mechanism of the air brake compressor. It ensures that the compression cycle remains consistent, which is vital for maintaining stable air pressure within the pneumatic braking system of heavy commercial vehicles.

The component is specifically engineered to meet the requirements of Cummins engine series, including the QSB6.7, QSC8.3, QSL9, ISB6.7, ISC8.3, and ISL models. This compatibility ensures that the compressor's internal drive remains synchronized during high-load operation.

For workshop technicians performing engine overhauls or compressor repairs, installing a high-strength component like this gear is essential for preventing timing slips. Regular inspection of the gear teeth and mounting surfaces helps prevent premature wear in the air brake system.

Consult your authorized distributor for precise fitment verification.

What is a compressor gear? A compressor gear is a mechanical component that transmits power from the engine crankshaft to the air compressor drive shaft to facilitate air compression.

OE cross-reference

7600 750 005 (Compressor Gear) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 3942497.