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303.06.0170.02 ALB Load Sensing Valve Repair Kit

303.06.0170.02

Summary

303.06.0170.02 ALB Load Sensing Valve Repair Kit designed for heavy commercial vehicle brake systems. This kit includes essential sealing and internal components to restore automatic load sensing functionality in WABCO and Knorr-Bremse type valves.

Product identifiers
EAN Code8683457078987
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Description

Maintaining precise braking performance in heavy commercial vehicles requires reliable pressure regulation based on axle load. This repair kit provides the necessary components to overhaul automatic load sensing (ALB) valves, ensuring that braking force remains proportional to the vehicle's weight to prevent wheel lock-up or instability.

The 303.06.0170.02 is the OE equivalent of the ALB load sensing valve repair kit used in WABCO and Knorr-Bremse type systems compatible with Mercedes-Benz, MAN, Scania, Volvo, DAF, Iveco, and Renault Trucks heavy trucks and trailers. This kit contains the critical internal elements required for a complete overhaul of the pneumatic regulation mechanism.

During maintenance, technicians should inspect the valve housing for debris before installing the new high-strength components. Ensuring all seals are seated correctly helps maintain the graduated pressure regulation required for safe operation under varying load conditions.

Regular inspection of the ALB valve's internal seals and diaphragms can prevent system failures in the pneumatic brake circuit, offering a cost-effective alternative to full valve replacement.

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FAQ

What is included in an ALB Load Sensing Valve repair kit?
The kit typically includes essential wearing elements such as the diaphragm, piston, O-ring and seal set, spring assembly, and control pin.
Which systems is this repair kit compatible with?
This kit is designed for WABCO and Knorr-Bremse type ALB load sensing valves used in heavy commercial vehicles.
What are the symptoms of a failing ALB valve?
Common symptoms include uneven braking force between empty and loaded states or air leaks within the pneumatic brake system.
Can this kit be used for trailer braking systems?
Yes, it is used to maintain proper pressure regulation in the braking systems of heavy trucks and trailers.
Is it better to repair or replace the entire ALB valve?
Renewing the internal components with a repair kit is often a highly economical solution that restores functionality to factory tolerances.