301.03.0028 KNORR-BREMSE Complete, Air Dryer Valve
301.03.0028
Summary
●Heater: 24 V ●Port 1: M22x1,5 ●Port 21: M22x1,5 ●Pressure: 8,1 BAR ●Port 22: M12x1,5 ●Port 4/23: M12x1,5
| EAN Code | 8699031079912 |
|---|
Ready to Order
Compatible OEM Codes
- KNORR-BREMSE LA 8234 K049813 II30448N50 II30448AT II30448-B II30448
- MAN 81.52102-6023
Description
The VADEN ORIGINAL 301.03.0028 is a high-strength component designed for precision in pneumatic brake systems. This complete air dryer valve assembly ensures optimal moisture removal and pressure regulation within the heavy commercial vehicle braking circuit, maintaining system stability under demanding conditions.
This product is an OE equivalent of the KNORR-BREMSE II30448, II30448B, II30448AT, II30448N50, K049813, LA8234, and MAN 81521026023 components used in MAN and KNORR-BREMSE systems. The 301.03.0028 is the exact part required for reliable operation in professional heavy-duty applications.
The assembly features a 24 V heater and specific port configurations including M22x1,5 and M12x1,5 to ensure seamless integration with existing pneumatic lines. Technicians should verify the pressure rating of 8,1 BAR and port compatibility before installation to ensure correct fitment within the brake system architecture.
For professional maintenance and troubleshooting of air-drying functions, this component provides a robust solution for fleet managers and workshop technicians seeking high-quality replacements.
This product is an OE equivalent of the KNORR-BREMSE II30448, II30448B, II30448AT, II30448N50, K049813, LA8234, and MAN 81521026023 components used in MAN and KNORR-BREMSE systems. The 301.03.0028 is the exact part required for reliable operation in professional heavy-duty applications.
The assembly features a 24 V heater and specific port configurations including M22x1,5 and M12x1,5 to ensure seamless integration with existing pneumatic lines. Technicians should verify the pressure rating of 8,1 BAR and port compatibility before installation to ensure correct fitment within the brake system architecture.
For professional maintenance and troubleshooting of air-drying functions, this component provides a robust solution for fleet managers and workshop technicians seeking high-quality replacements.
Technical Specifications
| Heater | 24 V |
|---|---|
| Port 1 | M22x1,5 |
| Port 21 | M22x1,5 |
| Pressure | 8,1 BAR |
| Port 22 | M12x1,5 |
| Port 4/23 | M12x1,5 |
Other OEMs
KNORR-BREMSE
- LA8234
- LA 8234
- K049813
- II30448N50
- II30448AT
- II30448-B
- II30448
MAN
- 81521026023
- 81.52102-6023
Related Products
Repair Kits
Vehicles Used
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE | |||
| MAN |
FAQ
Which vehicles is this air dryer valve compatible with?
This component is compatible with KNORR-BREMSE and MAN systems, specifically designed for heavy commercial vehicle braking architectures.
What are the technical connection specifications?
The unit features Port 1 (M22x1,5), Port 21 (M22x1,5), Port 22 (M12x1,5), and Port 4/23 (M12x1,5) for precise pneumatic connections.
What are the compatible OEM reference numbers?
Compatible OE references include KNORR-BREMSE (II30448, II30448B, II30448AT, II30448N50, K049813, LA8234) and MAN (81521026023).
Does this part include a heater for the system?
Yes, this complete air dryer valve includes a 24 V heater to prevent moisture freezing in the pneumatic system.
What is the standard operating pressure for this valve?
The specified operating pressure for this component is 8,1 BAR.