301.02.0073.20 Heater for Air Dryer Valves — Volvo

What does an air dryer valve heater do?

This air dryer valve heater plays a critical role in maintaining the integrity of the pneumatic brake system, particularly in low-temperature environments. By preventing moisture from freezing within the air dryer assembly, it ensures that the air processing remains consistent and prevents valve blockage. This component is built with high-strength components to withstand demanding transport applications.

Vehicle and engine compatibility

This part is specifically compatible with various Volvo models, including the FL10, FH16, FM12, and FH12 series, across multiple engine types such as D10A and D12D. It is also fitted to DAF, Scania, and MAN trucks. The heater functions effectively within the air dryer valve assembly to maintain optimal operating temperatures.

Installation and maintenance

For proper installation, technicians should verify the vehicle electrical system voltage and ensure the mounting interface matches the original equipment specifications. Maintaining the heater helps prevent corrosion and component wear within the braking circuit. Consult your authorized distributor for installation guidance.

System reliability

Regular inspection of the heating element and electrical connections can prevent sudden system failures during winter operation. Proper selection ensures seamless integration with existing WABCO systems.

OE cross-reference

301.02.0073.20 (Air Dryer Valve Heater Air Dryer Valves) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 8942600432.