21353433 Volvo FM FM12 D12C Compressor

What does an air compressor do?

This single cylinder air compressor serves as a critical component within the pneumatic braking system of heavy commercial vehicles. By utilizing a water-cooled design, the unit maintains optimal operating temperatures even under high-load conditions, ensuring consistent air pressure delivery for reliable braking performance.

Compatible vehicles and engines

This specific model is engineered to fit Volvo FM series trucks, including various variants such as the FM 300 through FM 500, as well as Volvo FM12 models equipped with D12C engines. It is a high-strength component designed to meet the rigorous demands of heavy-duty service environments.

Technical specifications

Technical specifications include a Ø85.00 mm cylinder bore and a 56 mm stroke, resulting in a swept volume of 318cm³. The unit features an M26x1,5 air outlet port, an M12x1,5 unloader port, and M16x1,5 water inlet/outlet ports. It is equipped with an ESS feature and a water-cooled valve plate to enhance system longevity.

Maintenance and installation

Maintenance technicians should regularly inspect the water cooling lines and port connections to prevent leaks or pressure drops. Ensuring proper coolant flow is essential for the longevity of the internal valve plate and piston assembly.

OE cross-reference

1300 025 002 (Single Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21353433.