975 303 474 0 Compatible Unloader Valve for WABCO Systems
301.01.0002
Summary
This heavy-duty unloader valve is designed for air brake systems, featuring M22x1.5 and M12x1.5 port configurations. It operates with a cut-out pressure of 8.1 BAR / 0.2 BAR to ensure precise pressure regulation within the pneumatic circuit. Equivalent to OE WABCO 9753034740.
| 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
This unloader valve plays a critical role in maintaining the correct pressure balance within heavy commercial vehicle air brake systems. By managing air distribution, it ensures that the pneumatic circuits operate within specified limits, providing reliable braking performance under varying loads.
Designed for compatibility with WABCO systems, this component is engineered to meet rigorous industrial standards for durability and precision. It features specific port sizes including M22x1.5 and M12x1.5 to facilitate seamless integration into existing pneumatic architectures.
For professional installation, technicians should verify that the cut-out pressure of 8.1 BAR / 0.2 BAR matches the vehicle requirements. Ensuring all ports are correctly seated and connections are secure will prevent pressure drops in the braking system.
Regular inspection of the inflation valve functionality is recommended during routine maintenance to ensure optimal system performance and safety.
Designed for compatibility with WABCO systems, this component is engineered to meet rigorous industrial standards for durability and precision. It features specific port sizes including M22x1.5 and M12x1.5 to facilitate seamless integration into existing pneumatic architectures.
For professional installation, technicians should verify that the cut-out pressure of 8.1 BAR / 0.2 BAR matches the vehicle requirements. Ensuring all ports are correctly seated and connections are secure will prevent pressure drops in the braking system.
Regular inspection of the inflation valve functionality is recommended during routine maintenance to ensure optimal system performance and safety.
OE cross-reference
301.01.0002 (Unloader Valve) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 9753034740.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 primary function of this unloader valve?
It is used in air brake systems to balance pressure across various pneumatic circuits, ensuring the system operates within safe pressure limits.
What are the port specifications for this component?
This unit features M22x1.5 ports (Port 1 and Port 21) and M12x1.5 ports (Port 4, Port 22, and Port 23) for versatile installation.
What is the rated cut-out pressure?
The component is designed with a cut-out pressure rating of 8.1 BAR / 0.2 BAR to maintain precise pneumatic control.
Is this compatible with WABCO systems?
Yes, this unloader valve is designed to be compatible with WABCO systems in heavy commercial vehicle air brake applications.
What are the OE reference numbers of this part?
301.01.0002 directly replaces WABCO OE number 9753034740.