4933782 Cummins Compatible QSC8.3 Compressor

What does a single cylinder compressor do?

This single cylinder air brake compressor serves as a critical component within the pneumatic system of heavy commercial vehicles. By utilizing a piston-driven mechanism, it converts engine power into pressurized air required for the braking system and air processing units. This specific model features a water-cooled design to maintain optimal operating temperatures during intensive use, ensuring long-term reliability in demanding environments.

Vehicle and engine compatibility

Engineered for high-performance compatibility, this compressor is specifically designed to match the requirements of Cummins engines. It is an essential component for maintaining consistent air pressure in heavy commercial vehicle braking networks. The unit features a through-drive configuration and includes an ESS feature for enhanced system efficiency.

Installation and maintenance guidance

For professional installation and maintenance, technicians should verify the water inlet and outlet ports (3/4" - 16 UNF) and the M27x2 air outlet port. Regular inspection of the valve plate and unloader port (M10x1) is recommended to ensure peak performance and prevent system pressure drops. Check the compatibility list to ensure correct fitment.

System performance and checks

Maintaining proper cooling flow through the water ports is vital for preventing overheating during long-haul operations.

OE cross-reference

2500 030 002 (Single Cylinder Compressor) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 4933782.