4933229 Cummins ISBe Compatible Compressor

What does a single cylinder compressor do?

This water-cooled single cylinder compressor serves as a vital component within the pneumatic braking system of heavy commercial vehicles. It functions by compressing intake air to provide the necessary pressure for the air processing unit and subsequent distribution to the air tanks. Built with high-strength components, this unit ensures consistent performance under the demanding thermal conditions of heavy-duty engine operation.

Engine compatibility and fitment

This compressor is specifically compatible with Cummins ISBe, ISDe, and ISLe engines. It is engineered to integrate seamlessly into the engine's cooling circuit via the M16x1.5 water inlet and outlet ports, maintaining optimal operating temperatures during sustained use. This ensures the compressor remains reliable even during heavy-load or long-haul transport cycles.

Installation and maintenance guidance

Technicians should verify all connections during installation, particularly the M26x1.5 air inlet and M22x1.5 air outlet ports. The unit includes an ESS feature and a water-cooled valve plate to enhance thermal management. Regular inspection of the M10x1 unloader port and cooling lines is recommended to prevent pressure fluctuations or overheating.

Troubleshooting and system care

Maintaining proper coolant flow through the water jacket is essential for preventing premature wear of internal components. If air production drops or temperature rises unexpectedly, check the water cooling circuit and valve plate integrity to ensure optimal braking system performance.

OE cross-reference

2900 070 001 (Single Cylinder Compressor) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 4933229.