308.04.0002 Scania and PACCAR Compatible Air Processing Unit

What does an air processing unit do?

This air processing unit serves as a critical component within the pneumatic brake system of heavy commercial vehicles. By integrating filtration, moisture removal, and pressure regulation into a single housing, it ensures that compressed air from the compressor is properly treated before being distributed to the brake, suspension, and auxiliary pneumatic circuits.

Vehicle compatibility and fitment

This unit is designed for compatibility with Scania and PACCAR vehicles. It functions as a high-strength component within the air brake system to maintain stable pressure levels and prevent moisture buildup in the lines. It is also fitted to PACCAR trucks to ensure optimal performance across various heavy-duty applications.

Installation and maintenance guidance

Maintenance of this unit involves regular inspection of the internal components to ensure effective drying and filtration. Technicians should check for any signs of pressure fluctuations or moisture accumulation in the lines to determine if a replacement is required. Ensuring the unit is correctly integrated into the pneumatic circuit is vital for the overall safety of the vehicle's braking performance.

System performance and selection

Consult your authorized distributor to ensure correct fitment for your specific vehicle configuration.

OE cross-reference

308.04.0002 (Air Processing Unit) is the equivalent of the PACCAR, Scania and WABCO OE numbers. This part directly replaces PACCAR OE number 1526246. It also replaces Scania OE number 1774871 and WABCO OE number 9325109562.