003 431 38 06 Unloader Valve for Mercedes-Benz
301.01.0002
Summary
This heavy-duty unloader valve is engineered for Mercedes-Benz brake systems. It features M22x1,5 and M12x1,5 port configurations and operates with a cut-out pressure of 8,1 BAR / 0,2 BAR to ensure precise air pressure regulation in commercial vehicle brake systems. Equivalent to OE Mercedes-Benz 0034313806.
| EAN Code | 8699031064369 |
|---|
Ready to Order
Compatible OEM Codes
-
MERCEDES BENZ
- 003 431 38 06
- 003 431 36 06
- 002 431 87 06
- 002 431 52 06
- 002 431 46 06
- 002 431 15 06
-
NEOPLAN
- 1102733544131
- 1102733544130
- 1102732544114
- 110273201
-
DAF
- 75038R
- 75038A
- 75038
- 285768
-
MAN
- N2.50999-9114
- 84.52101-9017
- 84.52101-6017
-
WABCO
- 975 303 474 0
-
VAN HOOL
- 637214100
-
TEREX
- 00024212
-
STEYR
- 99100360090
-
SCANIA
- 1935691
-
RENAULT TRUCKS
- 5021170478
-
IVECO
- 500002011
-
IRISBUS
- U403004451
-
FAUN
- 99708458257
Description
What does an unloader valve do?
This unloader valve plays a critical role in the pneumatic brake system by regulating air pressure within the circuit. By monitoring pressure levels and providing automatic air release at specific thresholds, it ensures the stability and reliability of the air brake system under heavy-duty operating conditions.Vehicle and engine compatibility
The component is specifically designed to be compatible with Mercedes-Benz vehicles. This ensures seamless integration into the existing pneumatic architecture of the truck or bus, maintaining the necessary pressure levels required for safe braking performance. It is an essential part for maintaining optimal system pressure.Installation and maintenance
Technical installation requires attention to the specific port configurations, including M22x1,5 and M12x1,5 connections. Technicians should verify that all ports are correctly seated and that the cut-out pressure settings align with the vehicle's requirements during assembly to prevent system leaks or pressure fluctuations.System performance
Consult your authorized distributor.OE cross-reference
301.01.0002 (Unloader Valve) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number 0034313806.Technical Specifications
| Port 1 | M22x1,5 |
|---|---|
| Port 4 | M12x1,5 |
| Port 21 | M22x1,5 |
| Port 22 | M12x1,5 |
| Port 23 | M12x1,5 |
| Cut-Out Pressure | 8,1 BAR / 0,2 BAR |
| Inflation Valve | OK |
| Recycle Valve | - |
Other OEMs
DAF
- 0285768
- 0075038
- 75038R
- 75038A
- 75038
- 285768
FAUN
- 99708458257
IRISBUS
- U403004451
IVECO
- 500002011
MAN
- N2509999114
- 84521019017
- 84521016017
- 84.52101.6017
- N2.50999-9114
- 84.52101-9017
- 84.52101-6017
MERCEDES BENZ
- A0034313806
- A0034313606
- A0024318706
- A0024315206
- A0024314606
- A0024311506
- 0034313806
- 0034313606
- 003.431.3806
- 003.431.38.06
- 003.431.3606
- 003.431.36.06
- 003 431 3806
- 003 431 3606
- 0024318706
- 0024315206
- 0024314606
- 002.431.8706
- 002.431.87.06
- 002.431.5206
- 002.431.52.06
- 002.431.4606
- 002.431.46.06
- 002 431 8706
- 002 431 5206
- 002 431 4606
- 003 431 38 06
- 003 431 36 06
- 002 431 87 06
- 002 431 52 06
- 002 431 46 06
- 002 431 15 06
NEOPLAN
- 1102733544131
- 1102733544130
- 1102732544114
- 110273201
RENAULT TRUCKS
- 5021170478
SCANIA
- 1935691
STEYR
- 99100360090
TEREX
- 00024212
VAN HOOL
- 637214100
WABCO
- 9753034740
- 975.303.474.0
- 975 303 474 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| DAF | |||
| FAUN | |||
| IRISBUS | |||
| IVECO | |||
| MAN | |||
| MERCEDES BENZ | |||
| NEOPLAN | |||
| RENAULT TRUCKS | |||
| SCANIA | |||
| STEYR | |||
| TEREX | |||
| VAN HOOL | |||
| WABCO |
FAQ
What is the function of this unloader valve?
This component acts as an air pressure relief valve within the brake system, monitoring air levels and releasing excess pressure at a set threshold to maintain stable operation.
Which vehicle makes is this compatible with?
This specific part is designed for use in Mercedes-Benz vehicles to ensure proper pneumatic system functionality.
What are the technical port specifications?
The valve features multiple connection points including M22x1,5 and M12x1,5 ports to facilitate integration into heavy commercial vehicle air systems.
How do I know if the unloader valve needs replacement?
Technicians should look for symptoms of pressure fluctuations or air leaks within the braking circuit that suggest the relief threshold is no longer functioning correctly.
What are the OE reference numbers of this part?
301.01.0002 directly replaces Mercedes-Benz OE number 0034313806.