301.02.0067 WABCO Compatible Air Dryer Valve

The complete air dryer valve serves a critical function in the pneumatic braking system of heavy commercial vehicles, ensuring the removal of moisture and contaminants from the compressed air stream. This high-strength component is engineered to maintain optimal air quality and system pressure, protecting downstream pneumatic components from damage and ensuring consistent braking performance under heavy-duty operating conditions.

301.02.0067 is the OE-equivalent of the WABCO 932 400 004 0 complete air dryer valve used in FAUN systems. This part is specifically designed to meet the rigorous-duty requirements of heavy commercial vehicle braking architectures. It ensures seamless integration with existing pneumatic circuits, providing a reliable solution for maintaining the integrity of the air supply.

For workshop technicians, this unit features standardized port sizes such as M22x1,5 and M16x1,5 VOSS to facilitate efficient assembly and maintenance. The integrated 24 V heater ensures the system remains functional during low-temperature operations, preventing ice formation within the valve housing. Regular inspection of port seals and pressure levels is recommended to ensure long-term reliability in the field.

Proper maintenance of the air dryer valve is essential for preventing moisture buildup in the brake system. Technicians should verify that all connections—including Port 11 (M22x1,5) and Port 12 (M12x1,5)—are secured according to technical specifications to prevent air leaks and maintain the required 9,5 BAR operating pressure.