5286661 Compatible ISL Twin Cylinder Compressor

What does a twin cylinder compressor do?

This engine-driven twin cylinder compressor plays a vital role in the air brake system of heavy commercial vehicles by generating high-volume compressed air through two piston-cylinder assemblies. This design allows for a higher air output compared to single-cylinder units, ensuring rapid reservoir filling for high-demand applications. Built with high-strength components, it provides consistent pressure for critical braking functions.

Engine compatibility and fitment

This specific unit is compatible with Cummins engines, including the ISL, QSC8.3, and QSL9 series. It is engineered to meet the rigorous demands of heavy-duty engine applications where reliable pneumatic pressure is essential for vehicle safety and performance.

Installation and maintenance

For professional installation, note the water-cooled design with 3/4-16 UNF inlet and outlet ports. The unit features an M27x2 air outlet port and an M10x1 unloader port. Technicians should verify the through drive configuration and ensure proper cooling flow to maintain optimal operating temperatures during heavy use.

Operational reliability

Maintaining correct air pressure levels and checking the water cooling lines will help prevent premature wear in the piston assemblies.

OE cross-reference

2500 150 002 (Twin Cylinder Compressor) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 5286661.