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303.07.0048 Levelling Valve for Knorr-Bremse Systems

303.07.0048

Summary

This high-strength levelling valve is designed for heavy commercial vehicle suspension systems. It features M12x1.5 port configurations and supports an operating pressure of up to 10 BAR, ensuring stable load distribution and chassis height control. Equivalent to OE Knorr-Bremse SV1399.

Product identifiers
EAN Code8683457012264
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Compatible OEM Codes

  • KNORR-BREMSE
    • SV 1399

Description

What does a levelling valve do?

This levelling valve plays a critical role in maintaining the correct ride height and stability within a vehicle's suspension system. By regulating air pressure, it ensures the chassis remains level under varying load conditions, which is essential for safe handling and component longevity.

Compatibility and system integration

Designed to meet high standards, this component is compatible with Knorr-Bremse systems. It is engineered using heavy-duty grade materials to withstand the rigorous vibrations and environmental stressors encountered in heavy commercial vehicle operations.

Technical specifications and installation

The technical configuration includes M12x1.5 threading on Port 1, Port 4, and two connections on Port 21, facilitating precise pneumatic integration. With a maximum operating pressure of 10 BAR and an inner hole diameter of 21 / Ø 1.80, it provides reliable performance for demanding service environments.

Maintenance and troubleshooting

To ensure optimal system performance, technicians should inspect the valve for leaks or uneven height adjustments during routine maintenance intervals. Maintaining the integrity of the pneumatic lines connected to the M12x1.5 ports is vital for preventing pressure drops.

OE cross-reference

303.07.0048 (Levelling Valve) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number SV1399.

Technical Specifications

Technical Specifications
Port 1M12x1,5
Port 4M12x1,5
Port 21M12x1,5 (x2)
Pressure10 BAR
Inner Hole Diameter21 / Ø 1,80
Lever-
Lever mm-----

Other OEMs

KNORR-BREMSE

  • SV1399
  • SV 1399

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE

FAQ

What is the primary function of this levelling valve?
The valve regulates air pressure within the suspension system to maintain stable chassis height and ensure even load distribution across the vehicle.
What are the port specifications for this component?
This unit features M12x1.5 threading on Port 1, Port 4, and two connections on Port 21 (M12x1.5 x2).
What is the maximum operating pressure?
The component is designed to operate effectively at a pressure of up to 10 BAR within the pneumatic system.
Which brands is this part compatible with?
This part is designed to be compatible with Knorr-Bremse systems used in heavy commercial vehicles.
What are the OE reference numbers of this part?
303.07.0048 directly replaces Knorr-Bremse OE number SV1399.