11 33 50 Compatible Compressor Cylinder Head

What does a compressor cylinder head do?

A compressor cylinder head is the cast service part that closes off the top of an air brake compressor's cylinder block and carries the seats for the inlet and discharge valves. It holds the piston's compressed air without leaking, routes it out through the discharge port, and carries away part of the compression heat from the body.

Compatible vehicles and engines

This component is compatible with Detroit Diesel engines such as the DD13, DD15, DD16, and 60 Series. It is widely used in heavy commercial vehicles including Western Star 4900, 57X, and 47X models, as well as Freightliner Cascadia, Columbia, and various Kenworth and Peterbilt truck series. This part is also fitted to Mercedes-Benz vehicles.

Installation and maintenance

Technicians should verify the bolt hole pattern and port dimensions during installation to ensure a correct seal. Maintaining the integrity of the sealing face is critical to prevent air leaks within the pneumatic system. Always consult the vehicle's service manual for specific torque requirements during assembly.

Selection guidance

Check the compatibility list to ensure this part meets your specific compressor architecture requirements.