2500 170 002 Equivalent Twin Cylinder Air Compressor

What is a Twin Cylinder Compressor?

A Twin Cylinder Compressor is an engine-driven unit in the air brake system of heavy commercial vehicles that generates compressed air using two piston-cylinder assemblies.

Vehicle compatibility and engine fitment

This water-cooled component is engineered to provide higher air output than single-cylinder types, ensuring faster reservoir filling. It is ideal for multi-axle tractor units, touring coaches, and tipper trucks that require reliable pneumatic pressure. This unit is compatible with Cummins and Knorr-Bremse systems and is also fitted to Foton, Freightliner, Kenworth, Peterbilt, Ford Trucks, Thomas Built Buses, Blue Bird, Ic Bus, Volkswagen, Dongfeng, Iveco, and Gaz vehicles.

Technical specifications and maintenance

The assembly features an M26x1.5 air inlet and outlet port, along with M16x1.5 water inlet and outlet ports. For optimal performance and longevity, technicians should regularly inspect the water cooling lines and ensure no leaks exist in the pneumatic connections during routine maintenance.

System selection guidance

Consult your authorized distributor to check the compatibility list.

OE cross-reference

2500 170 002 (Twin Cylinder Compressor) is the equivalent of the Cummins and Knorr-Bremse OE numbers. This part directly replaces Cummins OE number 5257938. It also replaces Knorr-Bremse OE numbers K033392N00, LP4864.