Vaden Part No.
301.03.0028
Air Dryer Valve, Air Dryer Valves
EAN 8699031079912
High-performance air dryer valve for MAN. Features 24 V heater and M22x1,5/M12x1,5 ports. Check the compatibility list.
Description
Heater: 24 V
Port 1: M22x1,5
Port 21: M22x1,5
Pressure: 8,1 BAR
Port 22: M12x1,5
Port 4/23: M12x1,5
Replaces
Technical Specifications
6| Spec | Value |
|---|---|
| Heater | 24 V |
| Port 1 | M22x1,5 |
| Port 21 | M22x1,5 |
| Pressure | 8,1 BAR |
| Port 22 | M12x1,5 |
| Port 4/23 | M12x1,5 |
Cross-Reference
7| Brand | Part number | Type | Notes |
|---|---|---|---|
| KNORR-BREMSE | II30448 | ||
| KNORR-BREMSE | II30448-B | ||
| KNORR-BREMSE | II30448AT | ||
| KNORR-BREMSE | II30448N50 | ||
| KNORR-BREMSE | K049813 | ||
| KNORR-BREMSE | LA 8234 | ||
| MAN | 81.52102-6023 |
All OEM part numbers and brand names are used for reference only. Vaden is not affiliated with, endorsed by, or sponsored by these manufacturers.
Repair Kits
1
Description
For your Air Dryer Valve, Air Dryer Valves needs, VADEN ORIGINAL 301.03.0028 is a reliable equivalent solution. It is produced to match the KNORR-BREMSE (II30448, II30448B, II30448AT, II30448N50, K049813, LA8234), MAN (81521026023) references and is tested against heavy commercial vehicle conditions.
Frequently Asked Questions
What is the function of the heater in this air dryer valve?
The integrated 24 V heater prevents moisture from freezing within the valve during cold weather, ensuring reliable air delivery.
Which vehicle brands is this part compatible with?
This component is designed for compatibility with MAN vehicles and maintains performance in heavy commercial vehicle systems.
What are the connection specifications for this valve?
The valve features specific port sizes: M22x1,5 and M12x1,5 threads to ensure a precise fit within the pneumatic system.
How can I know if my air dryer valve needs replacement?
If you notice moisture in the air tanks or inconsistent braking performance, inspect the valve for leaks or blockages.
What are the OE reference numbers of this part?
301.03.0028 directly replaces Knorr-Bremse OE numbers II30448, II30448B, II30448AT, II30448N50, K049813, LA8234. It also replaces MAN OE number 81521026023.
Vehicle Applications
2| Make | Models |
|---|---|
| KNORR-BREMSE | — |
| MAN | — |