301.03.0081.20 Air Dryer Valve Heater for Knorr-Bremse Systems
301.03.0081.20
Summary
This air dryer valve heater serves as a critical freeze-protection component within the pneumatic brake system. Designed for compatibility with Knorr-Bremse systems, it prevents moisture from freezing at the purge port during low temperatures. This high-strength component ensures reliable air dryer valve operation in heavy commercial vehicles. Equivalent to OE Knorr-Bremse II30460004.
| EAN Code | 8683457048423 |
|---|
Ready to Order
Compatible OEM Codes
-
KNORR-BREMSE
- II30460004
Description
What does an air dryer valve heater do?
This air dryer valve heater functions as a thermostat-controlled electric resistance element located near the purge valve area of the air dryer unit. It plays a vital role in the pneumatic brake system by preventing moisture condensation from freezing and blocking the valve mechanism during extreme cold.Vehicle and system compatibility
The component is designed to be compatible with Knorr-Bremse systems. By maintaining a controlled temperature at the purge port, it ensures that moisture is effectively expelled, preventing air line blockages in heavy commercial vehicles.Installation and maintenance guidance
Technicians should inspect these heating elements during routine brake system maintenance to ensure they are functioning correctly. Replacing this component can prevent significant downtime caused by frozen valves. Check the compatibility list.OE cross-reference
301.03.0081.20 (Air Dryer Valve Heater Air Dryer Valves) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number II30460004.Other OEMs
KNORR-BREMSE
- II30460004
Related Products
Used In
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE |
FAQ
What is the main function of an air dryer valve heater?
It acts as a thermostat-controlled resistance element that heats the purge valve area to prevent moisture from freezing and blocking the air system.
Which systems is this heater compatible with?
This component is designed to be compatible with Knorr-Bremse systems within heavy commercial vehicle brake assemblies.
Can this heater be replaced independently?
Yes, this freeze-protection element can typically be replaced independently of the main air dryer unit.
When should I check the valve heater?
It is recommended to inspect heating elements during scheduled pneumatic brake system maintenance to avoid freezing issues in cold weather.
What are the OE reference numbers of this part?
301.03.0081.20 directly replaces Knorr-Bremse OE number II30460004.