303.06.0051 Volvo Compatible ALB Load Sensing Valve

What does an ALB Load Sensing Valve do?

This ALB Load Sensing Valve plays a critical role in the pneumatic braking system by adjusting brake pressure based on the actual load of the vehicle. By sensing the weight through the suspension linkage, it ensures that braking force is distributed effectively, preventing wheel lock-up under light loads and providing maximum stopping power when fully loaded. It is manufactured using high-strength components to withstand rigorous heavy-duty operating conditions.

Compatible Volvo models and engines

This valve is compatible with various Volvo truck models including the F10, F12, FL10, FL12, N10, N12, NL10, NL12, B10B, B10M, and B12 engines such as TD120 and D12A. It is also fitted to DAF, PACCAR, and Renault Trucks vehicles. This component serves as a reliable replacement for WABCO systems in these heavy commercial vehicle applications.

Installation and technical specifications

For proper installation, technicians should verify the port sizes: Port 1 features an M22x1.5 thread, while Port 2 uses M16x1.5 threads. The empty pressure port operates at 0.5 BAR (Port 41/42) and 2 BAR (Port 2), while full pressure reaches 5 BAR and 6 BAR respectively. Regular inspection of the linkage and pneumatic connections is recommended to maintain optimal sensing accuracy.

Maintenance and system checks

Consult your authorized distributor.

OE cross-reference

303.06.0051 (ALB Load Sensing Valve) is the equivalent of the DAF, PACCAR, Renault Trucks, Volvo and WABCO OE numbers. This part directly replaces DAF OE number 1504958. It also replaces PACCAR OE number 01504958, Renault Trucks OE number 5021170230, Volvo OE number 1628955 and WABCO OE number 4757110750.