301.03.0012 Compatible Air Dryer Valve for MAN
301.03.0012
Summary
High-performance air dryer valve designed for heavy commercial vehicle brake systems. Features M22x1.5 and M12x1.5 port configurations with a 12.5 BAR pressure rating to ensure reliable moisture removal and system protection in MAN trucks. Equivalent to OE Knorr-Bremse II19208 and MAN 81521026101.
| EAN Code | 8699031079752 |
|---|
Ready to Order
Compatible OEM Codes
-
KNORR-BREMSE
- LA 8211
- K022746
- II19209N50
- II19208AT
- II19208181
- II19208
-
MAN
- 81.52102-6149
- 81.52102-6101
Description
What does an air dryer valve do?
This air dryer valve plays a critical role in maintaining the integrity of the pneumatic braking system by effectively managing moisture and contaminants. By regulating air flow and preventing liquid accumulation, it protects downstream components from corrosion and freezing, ensuring consistent braking performance for heavy commercial vehicles.Vehicle and system compatibility
This component is engineered to fit MAN vehicles and is compatible with Knorr-Bremse systems. The assembly features specific port dimensions including M22x1.5 and M12x1.5 to ensure precise integration within the air brake circuit.Installation and maintenance
Technicians should verify the pressure rating of 12.5 BAR during installation to ensure system compatibility. Regular inspection of the ports and connections is recommended to prevent leaks and maintain optimal pneumatic efficiency throughout the service interval.System performance
Consult your authorized distributor.OE cross-reference
301.03.0012 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse and MAN OE numbers. This part directly replaces Knorr-Bremse OE numbers II19208, II19208181, II19208AT, II19209N50, K022746, LA8211. It also replaces MAN OE numbers 81521026101, 81521026149.Technical Specifications
| Heater | ----- |
|---|---|
| Port 1 | M22x1,5 |
| Port 21 | M22x1,5 VOSS |
| Pressure | 12,5 BAR |
| Port 22 | - |
| Port 4/23 | M12x1,5 |
Other OEMs
KNORR-BREMSE
- LA8211
- LA 8211
- K022746
- II19209N50
- II19208AT
- II19208181
- II19208
MAN
- 81521026149
- 81521026101
- 81.52102.6149
- 81.52102.6101
- 81-52102-6149
- 81-52102-6101
- 81.52102-6149
- 81.52102-6101
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE | |||
| MAN |
FAQ
What is the primary function of this air dryer valve?
It removes moisture and contaminants from the compressed air to protect the braking system from corrosion and freeze-up.
Which vehicle brands is this component compatible with?
This part is designed for MAN trucks and is compatible with Knorr-Bremse systems.
What are the technical port specifications?
The unit features M22x1.5 ports (Port 1 and Port 21) and an M12x1.5 port (Port 4/23) for precise pneumatic connection.
What is the maximum operating pressure?
The valve is rated for a pressure of 12.5 BAR, ensuring reliability in heavy commercial vehicle applications.
What are the OE reference numbers of this part?
301.03.0012 directly replaces Knorr-Bremse OE numbers II19208, II19208181, II19208AT, II19209N50, K022746, LA8211. It also replaces MAN OE numbers 81521026101, 81521026149.