3948846 Compatible ISC8.3 Single Cylinder Compressor

What does a single cylinder compressor do?

This single cylinder air brake compressor serves as a critical component in the pneumatic system of heavy commercial vehicles, converting engine power into compressed air required for braking operations. It utilizes a high-strength piston design to ensure consistent air pressure delivery to the processing units and tanks.

Vehicle compatibility and engine fitment

The unit is designed for compatibility with Cummins systems and is suitable for various heavy commercial vehicle applications including trucks and buses. This specific model features a water-cooled design to manage thermal loads during continuous operation, ensuring long-term reliability in demanding service environments.

Installation and maintenance guidance

Installation requires attention to the water inlet and outlet ports, which feature 3/4" - 16 UNF threads. Technicians should verify the M27x2 air outlet port and M10x1 unloader port connections during assembly to prevent leaks. Proper lubrication and cooling system checks are essential to maintain the integrity of the internal components.

Troubleshooting and service tips

Regular inspection of the valve plate and air ports helps prevent pressure drops in the braking circuit. Maintaining clean air intake and ensuring the through drive mechanism is properly aligned will extend the service life of this compressor.

OE cross-reference

2500 030 002 (Single Cylinder Compressor) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 3948846.