2500 020 001 Air Compressor for Cummins engines

What does a single cylinder air compressor do?

This single cylinder air compressor serves as a vital component within the pneumatic brake system of heavy commercial vehicles. By taking drive from the engine, it compresses intake air and directs it to the air processing unit and tanks, ensuring the necessary pressure for reliable braking performance. This piston-type design is engineered to provide consistent output while maintaining a compact footprint.

Vehicle and engine compatibility

This unit is engineered for compatibility with several heavy-duty applications, including Kenworth, Peterbilt, Freightliner, Volvo, and International models. It is specifically suited for vehicles equipped with Cummins N14 or ISM engines, such as the Kenworth W900, Peterbilt 379, and Freightliner Century Class. Additionally, it is fitted to various bus models including Gillig and New Flyer to ensure dependable pneumatic operations.

Installation and maintenance

To ensure optimal performance, technicians should inspect the compressor during routine brake system service. Checking the drive mechanism and ensuring no leaks in the air lines can prevent sudden pressure drops. Replacing the unit when symptoms of reduced air output or increased engine strain appear helps maintain fleet safety.

Troubleshooting guidance

Check the compatibility list.

OE cross-reference

2500 020 001 (Single Cylinder Compressor) is the equivalent of the Cummins OE numbers. This part directly replaces Cummins OE numbers 3049186, SS296.