20733972 Volvo FM Compressor Equivalent

What does a single cylinder compressor do?

This single cylinder compressor serves as a critical component in the pneumatic braking system of heavy commercial vehicles. It is engineered to provide consistent air pressure by converting mechanical energy into compressed air, ensuring the reliability of the braking and auxiliary pneumatic systems under demanding operating conditions.

Vehicle and engine compatibility

This specific model is compatible with Volvo FM and FM II series trucks, including various variants such as the FM 300, FM 440, and FM 500. It is designed to meet the rigorous requirements of these heavy-duty vehicles, ensuring seamless integration with existing pneumatic architectures.

Technical specifications and design

Technical specifications include a Ø85.00 mm cylinder bore and a 56 mm stroke, delivering a swept volume of 318cm³. The unit features a water-cooled design with M16x1,5 water inlet and outlet ports to prevent overheating during continuous operation. The air outlet is configured with an M26x1,5 thread for secure installation.

Maintenance and installation guidance

To maintain optimal performance, technicians should regularly inspect the water cooling lines and ensure the air unloader port (M12x1,5) remains free of debris. Proper installation of the through-drive mechanism is essential for long-term durability in heavy-duty service.

OE cross-reference

1300 025 002 (Single Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20733972.