3949098 Single Cylinder Compressor for Cummins

What does a single cylinder compressor do?

This single cylinder compressor functions as a vital component within the pneumatic system, providing the necessary compressed air for the braking system. It operates by compressing intake air and delivering it to the air processing unit, ensuring reliable performance under heavy-duty operating conditions. The unit is built with high-strength components to withstand continuous engine-driven cycles.

Compatibility and engine fitment

This component is specifically designed for compatibility with Cummins engines. It ensures stable air pressure delivery for heavy commercial vehicle applications, including trucks and buses. The design integrates seamlessly with existing engine architectures to maintain optimal braking system functionality.

Installation and technical specifications

For professional installation, technicians should note the Ø25 air inlet port and M27x2 outlet port specifications. This water-cooled model features 3/4" - 16 UNF water inlet and outlet ports to manage thermal loads effectively. Always verify that the unloader port (M10x1) and through drive alignment match the existing engine configuration during replacement.

Maintenance and troubleshooting

Regular inspection of the water-cooled valve plate and port connections can prevent pressure drops in the braking system.

OE cross-reference

2500 030 002 (Single Cylinder Compressor) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 3949098.