20733972 Volvo FM12 D12C Air Compressor

What does an air compressor do?

This single cylinder air compressor is a critical component for the pneumatic braking and air supply systems in heavy commercial vehicles. Designed to withstand high-pressure operating conditions, this unit ensures consistent air delivery to support braking performance and auxiliary pneumatic functions.

Vehicle and engine compatibility

This specific model is engineered for Volvo FM series trucks, particularly those equipped with the D12C engine. It provides a reliable solution for fleet managers and workshop technicians looking to maintain the integrity of the vehicle's air supply system in demanding environments.

Technical specifications and design

The unit features a water-cooled design with a water-cooled valve plate to manage thermal loads effectively. Technical specifications include a Ø85.00 mm cylinder bore, a 56 mm stroke, and an M26x1,5 air outlet port. It is equipped with an integrated ESS feature and through drive capability to ensure seamless integration with existing engine configurations.

Installation and maintenance guidance

For optimal performance, technicians should verify all connection points, including the M16x1,5 water inlet and outlet ports, during installation. Regular inspection of the air unloader port and mounting stability is recommended to prevent system leaks or pressure fluctuations.

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.