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303.06.0146 WABCO Complete, ALB Load Sensing Valve

303.06.0146

Summary

The 303.06.0146 is a high-strength component designed for brake system regulation. It features Empty Pressure Port 41/42: 1,2 BAR, Empty Pressure Port 2: 2,8 BAR, Full Pressure Port 2: 6,7 BAR, and Full Pressure Port 41/42: 4,9 BAR. Port configurations include Port 1: M16x1,5, Port 2: M16x1,5(x2), and Port 4: M16x1,50.

EAN Code8683457051638
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Description

This heavy-duty grade component serves as a critical element within the pneumatic brake system, specifically functioning as a load-sensing valve to ensure optimal pressure regulation under varying loads. The part is engineered to maintain precise control over air distribution, ensuring the safety and stability of heavy commercial vehicles during transit.

303.06.0146 is the OE-equivalent of the WABCO 475 711 139 0 Complete, ALB Load Sensing Valve used in WABCO systems. This precision-engineered part meets strict technical requirements for seamless integration into professional-grade braking setups, ensuring reliable performance across diverse operating conditions.

Designed for workshop technicians and fleet managers, this unit features specific port dimensions including M16x1,5 for Port 1 and M16x1,5(x2) for Port 2 to ensure a secure and leak-free assembly. Regular maintenance and inspection of the pressure ports—specifically the empty pressure at 1,2 BAR and full pressure at 4,9 BAR—are recommended to maintain peak system efficiency.

Professional installation is essential to ensure the valve correctly responds to the weight-induced pressure changes in the braking circuit. This component is built to withstand the rigorous demands of long-haul transport and heavy-duty service environments.

Technical Specifications

Empty Pressure Port 41/421,2 BAR
Empty Pressure Port 22,8 BAR
Full Pressure Port 26,7 BAR
Full Pressure Port 41/424,9 BAR
Port 1M16x1,5
Port 2M16x1,5(x2)
Port 4M16x1,50

Other OEMs

WABCO

  • 475 711 139 0
  • 4757111390

Related Products

Vehicles Used

BrandModelEngine
WABCO

FAQ

What are the specific pressure settings for this valve?
The valve features an empty pressure port (41/42) of 1,2 BAR and a full pressure port (41/42) of 4,9 BAR to ensure precise load sensing.
Is this part compatible with WABCO systems?
Yes, this product is fully compatible with WABCO systems and is an OE-equivalent for WABCO part number 475 711 139 0.
What are the thread specifications for the ports?
The unit features Port 1 (M16x1,5), Port 2 (M16x1,5 x2), and Port 4 (M16x1,50) for standard heavy-duty assembly.
Can this be used in heavy commercial vehicle brake systems?
Absolutely. It is designed specifically for heavy commercial vehicle brake systems requiring precise pneumatic regulation.
What is the full list of compatible OEM codes?
This component is a direct replacement for WABCO code 475 711 139 0.