3975798 Compatible ISBe Single Cylinder Compressor

What does a single cylinder compressor do?

This single cylinder air brake compressor serves as a critical component within the pneumatic braking system of heavy commercial vehicles. By utilizing a piston-driven mechanism, it compresses intake air to provide the necessary pressure for the air processing unit and subsequent brake tanks. The unit is engineered with high-strength components to ensure reliable performance under continuous operating conditions.

Engine compatibility and fitment

This specific model is compatible with Cummins ISBe, ISDe, and ISLe engines. It is designed to integrate seamlessly into the engine's cooling circuit via its water inlet and outlet ports, which helps maintain optimal thermal stability during heavy-duty cycles.

Installation and technical specifications

For professional installation, note that this unit features an M26x1.5 air inlet port and an M22x1.5 air outlet port. The inclusion of an ESS feature and a water-cooled valve plate ensures efficient air delivery and prevents overheating. Technicians should verify all port connections and coolant flow during replacement.

Maintenance and system performance

Maintaining the integrity of the compressor is vital for overall braking performance. Regular inspection of the unloader port and cooling lines can prevent system-wide pressure drops in the braking circuit.

OE cross-reference

2500 260 001 (Single Cylinder Compressor) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 3975798.