4936218 Cummins Compatible QSC8.3 Compressor

What does a single cylinder compressor do?

This single cylinder air compressor serves as a critical component in the pneumatic braking system of heavy commercial vehicles. By utilizing a piston-driven mechanism, it converts mechanical energy into compressed air required for the braking and suspension systems. This specific unit is engineered with high-strength components to ensure reliable air production under demanding thermal conditions.

Engine compatibility and fitment

This unit is compatible with Cummins engines and is specifically designed for the QSC8.3 series. It functions as a vital link in the air processing chain, ensuring consistent pressure delivery to the air tanks through its M27x2 outlet port and Ø25 air inlet port.

Installation and maintenance

The installation process requires attention to the water cooling connections, featuring 3/4" - 16 UNF inlet and outlet ports. Technicians should verify the through-drive alignment and ensure the ESS feature is properly integrated into the pneumatic circuit during service to maintain optimal brake performance.

System performance

Regular inspection of the water-cooled valve plate and air ports is recommended to prevent pressure drops in the brake system.

OE cross-reference

2500 030 002 (Single Cylinder Compressor) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 4936218.