301.02.0078 Compatible Air Dryer Valve for MAN and Scania
301.02.0078
Summary
This 24V air dryer valve is engineered for heavy commercial vehicle brake systems, featuring M22x1.5 VOSS, M16x1.5 VOSS, and M16x1.5 ports. Designed to maintain optimal pressure at 8.5 BAR, it ensures reliable air processing for MAN and Scania vehicles. Equivalent to OE MAN 81521026118, Scania 390854 and WABCO 4324101140.
| EAN Code | 8699031086811 |
|---|
Ready to Order
Compatible OEM Codes
-
MAN
- 81.52102-9120
- 81.52102-6122
- 81.52102-6120
- 81.52102-6118
-
WABCO
- 432 410 114 0
-
SCANIA
- 390854
Description
What does an air dryer valve do?
This air dryer valve plays a critical role in the pneumatic brake system by regulating air pressure and managing moisture removal to protect downstream components. Built with heavy-duty grade materials, it is designed to withstand demanding operating conditions in the heavy commercial vehicle sector.Vehicle compatibility and technical fitment
The component is compatible with MAN and Scania vehicles and meets high-strength requirements for reliable service. It functions seamlessly within systems requiring 24V electrical integration and specific port configurations, including M22x1.5 VOSS and M16x1.5 dimensions.Installation and maintenance guidance
For proper installation, technicians should verify the port sizes (M22x1.5 VOSS, M16x1.5 VOSS, and M16x1.5) and ensure the 24V connection is secure to prevent electrical faults. Regular inspection of the valve helps prevent moisture buildup in the pneumatic lines.Troubleshooting advice
Consult your authorized distributor for precise fitment confirmation.OE cross-reference
301.02.0078 (Air Dryer Valve Air Dryer Valves) is the equivalent of the MAN, Scania and WABCO OE numbers. This part directly replaces MAN OE numbers 81521026118, 81521026120, 81521026122, 81521029120. It also replaces Scania OE number 390854 and WABCO OE number 4324101140.Technical Specifications
| Heater | 24 V |
|---|---|
| Port 1 | M22x1,5 VOSS |
| Port 21 | M22x1,5 VOSS |
| Pressure | 8,5 BAR |
| Port 22 | M16x1,5 VOSS |
| Port 4/23 | M16x1,5 |
Other OEMs
MAN
- 81521029120
- 81521026122
- 81521026120
- 81521026118
- 81.52102.9120
- 81.52102.6122
- 81.52102.6120
- 81.52102.6118
- 81.52102-9120
- 81.52102-6122
- 81.52102-6120
- 81.52102-6118
SCANIA
- 390854
WABCO
- 4324101140
- 432.410.114.0
- 432 410 114 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| MAN | |||
| SCANIA | |||
| WABCO |
FAQ
What is the function of this air dryer valve?
This valve regulates air pressure within the pneumatic brake system, helping to manage moisture and ensure stable air delivery to the braking components.
What are the technical port specifications?
The unit features M22x1.5 VOSS ports, M16x1.5 VOSS ports, and an M16x1.5 port, operating at a standard pressure of 8.5 BAR.
Is this part compatible with Scania trucks?
Yes, this component is designed to be compatible with Scania vehicles and is also suitable for MAN truck systems.
Does this valve require a specific voltage?
Yes, this specific model is designed for 24V electrical systems commonly found in heavy commercial vehicles.
What are the OE reference numbers of this part?
301.02.0078 directly replaces MAN OE numbers 81521026118, 81521026120, 81521026122, 81521029120. It also replaces Scania OE number 390854 and WABCO OE number 4324101140.