3942497 Cummins ISB6.7 Compressor Gear

What does a compressor gear do?

This compressor gear is a critical component within the air brake compressor assembly, responsible for driving the compression cycle through precise mechanical engagement. Manufactured from heavy-duty grade materials, it ensures stable torque transmission and long-term durability under high-pressure operating conditions.

Engine compatibility and fitment

This component is specifically designed to be compatible with Cummins ISB6.7 engines. It also serves various other engine series within the Cummins lineup, including QSB6.7, QSC8.3, QSL9, ISC8.3, and ISL engines, ensuring wide application across different heavy commercial vehicle configurations.

Installation and maintenance

For optimal performance, technicians should inspect the gear teeth and mounting surfaces during every air system service interval. Proper alignment and lubrication are vital to prevent premature wear and maintain consistent air pressure for the braking system.

System reliability guidance

Maintaining the integrity of the compressor drive mechanism is essential for fleet safety and system reliability. Consult your authorized distributor to ensure correct fitment and part specification.

OE cross-reference

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