301.02.0070 Compatible Air Dryer Valve — Volvo and Renault

What does an air dryer valve do?

This air dryer valve is a critical component in the pneumatic braking system, ensuring the removal of moisture and contaminants from the compressed air supply. Built with high-strength components, it maintains optimal air quality to protect downstream brake components from corrosion and wear. The unit operates reliably under demanding conditions to ensure consistent braking performance.

Compatible vehicles and engines

This component is engineered for compatibility with various heavy commercial vehicles including Volvo (FH, FM, FMX, VHD, VNL) and Renault Trucks (Kerax, Magnum, Premium) models. It is also fitted to Mack Granite and Pinnacle trucks featuring MP7 or MP8 engines. Additionally, it serves Scania, DAF, and Nissan Ud Truck vehicles.

Installation and maintenance

The valve features a 24V heater to prevent freezing in cold climates and supports a maximum operating pressure of 13 BAR. Installation requires careful attention to the specific port dimensions: Port 1 is M22x1,5, Port 12 is M16x1,5, Port 21 is M22x1,5 VOSS, and Port 4 is M12x1,5. Always verify these dimensions against existing system requirements before installation.

Troubleshooting and selection

Regular inspection of the air processing unit is recommended to ensure the purge function remains effective. Proper maintenance helps prevent moisture buildup in the pneumatic lines of your heavy vehicle.

OE cross-reference

301.02.0070 (Air Dryer Valve Air Dryer Valves) is the equivalent of the DAF, Nissan Ud Truck, Scania, Volvo and WABCO OE numbers. This part directly replaces DAF OE numbers 0882965, 0883259, 882965. It also replaces Nissan Ud Truck OE number 47500NA04B, Scania OE number 1932701, Volvo OE numbers 20466522, 20700794, 20873849, 20884103, 21398254, 21480094, 21620172 and WABCO OE number 4324251010.