301.02.0128 Compatible Air Processing Unit — Volvo and Mack

What does an air processing unit do?

This air processing unit plays a critical role in the pneumatic brake system of heavy commercial vehicles. It functions by managing compressed air from the compressor, providing essential filtration and moisture removal to protect the braking, suspension, and auxiliary pneumatic circuits from contamination.

Vehicle and engine compatibility

The component is designed for high-performance operation in heavy-duty applications. It is compatible with Volvo models such as FH, FM, FMX, VNL, and bus series like B11R and B13R, as well as Mack Anthem trucks. It is also fitted to Renault Trucks models including C, K, and T series engines. This unit ensures stable air pressure across various engine configurations including D13, D11K, and MP8.

Installation and maintenance

For optimal performance, technicians should ensure the unit is correctly integrated into the air brake circuit. Regular inspection of the air lines and connections is recommended to prevent moisture ingress. This part is compatible with WABCO systems and maintains high standards for heavy-duty service.

System integration

When replacing this component, verify that the new unit meets the specific requirements of the vehicle's pneumatic architecture to ensure seamless system integration.

OE cross-reference

301.02.0128 (Air Processing Unit) is the equivalent of the Mack, Volvo and WABCO OE numbers. This part directly replaces Mack OE numbers 6300432421037R, 8235S4324210480X. It also replaces Volvo OE number WAB432421037R and WABCO OE number 4324210370.