21353433 Volvo FM Compatible Air 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. It is engineered to provide consistent air pressure through high-strength components, ensuring the reliability of the vehicle's braking and pneumatic functions under heavy-duty service conditions.

Vehicle compatibility and fitment

This unit is specifically designed for compatibility with Volvo FM models, including the FM 300, FM 340, FM 380, FM 400, and various other configurations up to the FM 500. It operates as a water-cooled component to manage thermal loads effectively during operation.

Technical specifications and installation

Technical specifications include a Ø85.00 cylinder bore and a 56 mm stroke, providing a swept volume of 318cm³. The unit features an M26x1.5 air outlet port, an M12x1.5 unloader port, and M16x1.5 water ports. For proper installation, technicians should ensure the water cooling lines are secure and the ESS feature is correctly integrated into the system.

Maintenance and troubleshooting

To maintain optimal performance, check the water inlet and outlet ports for any signs of leaks and ensure the cooling system provides adequate flow. Regular inspection of the valve plate and unloader mechanism can help prevent pressure fluctuations in the pneumatic circuit.

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.