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303.07.0063 KNORR-BREMSE Levelling Valve

303.07.0063

Summary

This high-strength levelling valve is designed for heavy commercial vehicle suspension systems. It features a 12 BAR pressure rating, M16x1,5 ports (Ports 12 and 23), M12x1,5 ports (Ports 21 and 11), a 210 mm lever, and an inner hole diameter of 21 / Ø 2,30. It is an OE equivalent for KNORR-BREMSE SV 1421.

EAN Code8683457012417
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Compatible OEM Codes

  • KNORR-BREMSE SV 1421

Description

The levelling valve serves as a critical component in the pneumatic suspension system of heavy commercial vehicles, ensuring stable height control and optimal load distribution. This component is engineered with high-strength components to maintain precise pressure regulation even under demanding operating conditions.

The 303.07.0063 is the OE equivalent of the KNORR-BREMSE SV1421 levelling valve used in heavy commercial vehicle suspension systems. This part features specific port configurations including M16x1,5 for ports 12 and 23, and M12x1,5 for ports 21 and 11. The assembly includes a 210 mm lever and is designed to operate at a pressure of 12 BAR to ensure system stability.

For workshop technicians, maintaining the correct installation of this valve is essential for preventing pneumatic instability. It is recommended to check the seal integrity and port connections during routine maintenance intervals to ensure the longevity of the suspension system components.

Always verify the compatibility with your specific braking or suspension hardware before installation to ensure seamless integration with existing pneumatic lines.

Technical Specifications

Port 12M16x1,5
Port 21M12x1,5 (x2)
Port 11M12x1,5
Port 23M16x1,5
Pressure12 BAR
Inner Hole Diameter21 / Ø 2,30
Lever mm210

Other OEMs

KNORR-BREMSE

  • SV1421
  • SV 1421

Vehicles Used

BrandModelEngine
KNORR-BREMSE

FAQ

What is the compatibility of this levelling valve?
This product is designed to be compatible with KNORR-BREMSE systems, specifically as an OE equivalent for part number SV1421.
What are the technical specifications for the ports?
The valve features M16x1,5 ports at positions 12 and 23, and M12x1,5 ports at positions 11 and 21 (two ports).
What is the operating pressure for this component?
This levelling valve is engineered to operate at a pressure of 12 BAR within the pneumatic suspension system.
Can I use this part for passenger cars?
No, this component is strictly designed for heavy commercial vehicle (HCV) suspension systems, such as trucks and buses.
Does this part include the lever length?
Yes, this specific model includes a lever with a length of 210 mm.