303.06.0046 Compatible ALB Load Sensing Valve
303.06.0046
Summary
This ALB Load Sensing Valve is designed for heavy commercial vehicle brake systems. It features M16x1,5 port configurations and precise pressure regulation for optimal braking performance in demanding environments. Equivalent to OE WABCO 4757110490.
| EAN Code | 8683457050631 |
|---|
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Compatible OEM Codes
-
WABCO
- 475 711 049 0
Description
What does an ALB Load Sensing Valve do?
This ALB load sensing valve plays a critical role in the pneumatic braking system by regulating brake pressure based on the vehicle's load. By sensing the weight applied to the axles, it ensures that braking force is distributed correctly, preventing wheel lock-up or insufficient stopping power during heavy-duty operation.System compatibility and technical fitment
This component is designed to be compatible with WABCO systems. It provides reliable pressure modulation across various load conditions to maintain system stability. The unit features specific port sizing, including M16x1,5 for Port 1 and Port 2, ensuring a secure fitment within the pneumatic circuit.Installation and maintenance guidance
For technicians performing maintenance, it is essential to verify pressure settings during installation. This valve operates with specific pressure thresholds, such as 0.4 BAR at the empty pressure port and up to 6.5 BAR at the full pressure port, to ensure accurate load compensation. Always check all M16x1,5 connections for proper sealing.Troubleshooting braking performance
Regular inspection of the sensing mechanism can help prevent uneven braking performance. If the braking response feels inconsistent under varying loads, this valve should be inspected as part of a comprehensive brake system service.OE cross-reference
303.06.0046 (ALB Load Sensing Valve) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 4757110490.Technical Specifications
| Empty Pressure Port 41/42 | 0,4 BAR |
|---|---|
| Empty Pressure Port 2 | 1,5 BAR |
| Full Pressure Port 2 | 6,5 BAR |
| Full Pressure Port 41/42 | 2,9 BAR |
| Port 1 | M16x1,5 |
| Port 2 | M16x1,5(x2) |
| Port 4 | M16x1,50 |
Other OEMs
WABCO
- 4757110490
- 475 711 049 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| WABCO |
FAQ
What is the function of an ALB load sensing valve?
The valve regulates pneumatic brake pressure by sensing the load on the vehicle axles, ensuring stable braking performance under different weight conditions.
What are the technical port specifications for this valve?
This valve utilizes M16x1,5 connections for Port 1 and Port 2, with specific pressure ranges from 0.4 BAR to 6.5 BAR depending on the load state.
Is this component compatible with WABCO systems?
Yes, this ALB load sensing valve is designed to be compatible with WABCO systems in heavy commercial vehicle applications.
How can I identify if a load sensing valve needs replacement?
Technicians should look for inconsistent braking response or irregular pressure distribution across axles when the vehicle's load changes.
What are the OE reference numbers of this part?
303.06.0046 directly replaces WABCO OE number 4757110490.