303.06.0147 Compatible ALB Load Sensing Valve
303.06.0147
Summary
This ALB Load Sensing Valve is engineered for heavy-duty brake systems, featuring M16x1,5 port configurations. It ensures precise pressure regulation with specific empty and full pressure thresholds, providing reliable performance in demanding commercial vehicle environments. Equivalent to OE WABCO 4757111380.
| EAN Code | 8683457051645 |
|---|
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Compatible OEM Codes
-
WABCO
- 475 711 138 0
Description
What does an ALB Load Sensing Valve do?
This ALB Load Sensing Valve plays a critical role in the pneumatic brake system by regulating brake pressure based on the vehicle load. By sensing the air pressure in the brake lines, it ensures that braking force is distributed correctly, preventing wheel lock-up and ensuring stable deceleration under varying load conditions.Technical specifications and compatibility
The component is designed to be compatible with WABCO systems and follows strict technical parameters. It features specific port sizes including M16x1,5 for Port 1 and Port 2, and a M16x1,50 configuration for Port 4. These specifications ensure accurate pressure management across different operating weights.Installation and maintenance guidance
For workshop technicians, maintaining these valves is essential for brake system safety. When performing installation or maintenance, verify that all ports are free of debris and that the connections are tightened to specification. Monitoring the pressure thresholds—such as the 2,4 BAR empty pressure at Port 2—is vital for identifying potential wear before a system failure occurs.Troubleshooting and performance
Regular inspection of the valve helps maintain optimal braking response. If the braking force feels inconsistent or if there are air leaks around the M16x1,5 connections, professional replacement is recommended to ensure continuous heavy-duty performance.OE cross-reference
303.06.0147 (ALB Load Sensing Valve) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 4757111380.Technical Specifications
| Empty Pressure Port 41/42 | 0,45 BAR |
|---|---|
| Empty Pressure Port 2 | 2,4 BAR |
| Full Pressure Port 2 | 7,2 BAR |
| Full Pressure Port 41/42 | 5,3 BAR |
| Port 1 | M16x1,5 |
| Port 2 | M16x1,5(x2) |
| Port 4 | M16x1,50 |
Other OEMs
WABCO
- 4757111380
- 475 711 138 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| WABCO |
FAQ
What is the function of an ALB Load Sensing Valve?
It regulates air pressure in the braking system based on the current load of the vehicle, ensuring even braking force distribution.
What port sizes are used on this valve?
The valve utilizes M16x1,5 ports for Port 1 and Port 2, with a M16x1,50 configuration for Port 4.
How can I identify if the valve needs replacement?
Technicians should look for inconsistent braking response or air leaks around the M16x1,5 connection points.
Is this valve compatible with WABCO systems?
Yes, this component is designed to be compatible with WABCO systems for heavy commercial vehicle applications.
What are the OE reference numbers of this part?
303.06.0147 directly replaces WABCO OE number 4757111380.