301.01.0038 WABCO Compatible Unloader Valve
301.01.0038
Summary
This high-strength unloader valve is designed for heavy commercial vehicle air brake systems. Featuring M22x1.5 port sizes and a 7.8 BAR cut-out pressure, it ensures precise pressure regulation within the pneumatic circuit. Compatible with WABCO systems. Equivalent to OE WABCO 9753001120.
| EAN Code | 8683457011236 |
|---|
Ready to Order
Compatible OEM Codes
-
WABCO
- 975 300 112 0
Description
What does an unloader valve do?
This unloader valve plays a critical role in regulating air pressure within pneumatic brake and suspension systems. By managing the air flow and maintaining specific pressure thresholds, it ensures the stability and safety of the vehicle's braking performance under heavy loads.System compatibility and fitment
This component is compatible with WABCO systems and is engineered to withstand the rigorous demands of heavy commercial vehicle environments. It provides reliable pressure control to maintain the integrity of the air circuit during operation.Installation and maintenance
The unit features M22x1.5 port configurations for Port 1 and Port 21, ensuring a secure fit in standard pneumatic assemblies. Technicians should verify the 7.8 BAR cut-out pressure specifications during installation to ensure proper system calibration and prevent pressure spikes.Troubleshooting guidance
Regular inspection of the inflation valve and port connections is recommended to prevent leaks and maintain optimal system response. Consult your authorized distributor for detailed installation guidance.OE cross-reference
301.01.0038 (Unloader Valve) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 9753001120.Technical Specifications
| Port 1 | M22x1,5 |
|---|---|
| Port 4 | - |
| Port 21 | M22x1,5 |
| Cut-Out Pressure | 7,8 BAR / 0,2 BAR |
| Inflation Valve | OK |
Other OEMs
WABCO
- 9753001120
- 975 300 112 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| WABCO |
FAQ
What is the function of this unloader valve?
It regulates air pressure within the pneumatic system, helping to balance pressure across various circuits in heavy commercial vehicles.
What are the technical port specifications?
This unit is equipped with M22x1.5 ports for Port 1 and Port 21 to ensure precise pneumatic connections.
What is the operating pressure threshold?
The component features a cut-out pressure of 7.8 BAR (0.2 BAR) to maintain regulated air flow.
How can I verify compatibility with my system?
Check the compatibility list or consult your authorized distributor to ensure this fits your specific WABCO system requirements.
What are the OE reference numbers of this part?
301.01.0038 directly replaces WABCO OE number 9753001120.