301.03.0028.20 Air Dryer Valve Heater for MAN
301.03.0028.20
Summary
This air dryer valve heater is designed for heavy commercial vehicles, specifically MAN trucks. It features an integrated bi-metal thermostat to ensure reliable operation in cold climates, protecting the air brake system from moisture-related issues. Equivalent to OE Knorr-Bremse I87122004.
| EAN Code | 8683457048591 |
|---|
Ready to Order
Compatible OEM Codes
-
KNORR-BREMSE
- I87122004VO
- I87122004R
- I87122004
Description
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 during low-temperature operations. By preventing moisture buildup within the valve assembly, it ensures that the air brake system functions reliably even in freezing conditions.Compatibility and application
Designed for use in MAN trucks, this component is essential for fleet managers and workshop technicians looking to prevent pneumatic failures in cold climates. It integrates seamlessly with existing air dryer valve configurations to maintain optimal thermal regulation.Installation and maintenance
The unit features an integrated bi-metal thermostat that automatically manages temperature levels to protect the purge valve body. When installing, ensure the heater is correctly positioned on or next to the purge valve body to ensure effective heat distribution.Troubleshooting and selection
Regular inspection of the heating element and electrical connections is recommended during routine brake system maintenance to prevent service interruptions. Check the compatibility list for specific fitment details.OE cross-reference
301.03.0028.20 (Air Dryer Valve Heater Air Dryer Valves) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers I87122004, I87122004R, I87122004VO.Other OEMs
KNORR-BREMSE
- I87122004VO
- I87122004R
- I87122004
Related Products
Used In
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE | |||
| MAN |
FAQ
What is the function of an air dryer valve heater?
It prevents moisture and ice formation within the air dryer valve assembly, ensuring the pneumatic brake system remains operational in cold temperatures.
Which vehicles is this heater compatible with?
This specific component is designed for use in MAN heavy commercial vehicles, including trucks and tractor units.
How does the thermostat function within the heater?
The integrated bi-metal thermostat regulates the heating process automatically to maintain a safe operating temperature for the valve.
What are common signs of a failing heater?
Technicians may notice moisture accumulation or ice blockage in the air dryer system during cold weather if the heating element fails.
What are the OE reference numbers of this part?
301.03.0028.20 directly replaces Knorr-Bremse OE numbers I87122004, I87122004R, I87122004VO.