303.07.0049 Levelling Valve for Knorr-Bremse Systems
303.07.0049
Summary
This heavy-duty levelling valve is engineered for suspension stability. It features M12x1,5 port configurations, a 178 mm lever, and is rated for 10 BAR pressure to ensure reliable performance in demanding commercial environments. Equivalent to OE Knorr-Bremse SV1287.
| EAN Code | 8683457012271 |
|---|
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Compatible OEM Codes
-
KNORR-BREMSE
- SV 1287
Description
What does a levelling valve do?
This levelling valve plays a critical role in maintaining the correct ride height and stability within the suspension system. By regulating air pressure, it ensures the vehicle remains level under varying loads, protecting other suspension components from uneven wear.System compatibility and fitment
Designed to meet high standards, this component is compatible with Knorr-Bremse systems. It is built using high-strength components to withstand the constant cycling required in heavy commercial vehicle applications.Installation and maintenance
The technical configuration includes M12x1,5 port sizes (Ports 4, 11, and two Port 21 connections) and a 178 mm lever. For optimal performance, technicians should verify the inner hole diameter of 21 / Ø 1,20 and ensure all connections are torqued to specification during installation.Maintenance guidance
Regular inspection of the lever movement and port seals can prevent air leaks and maintain consistent suspension height. Consult your authorized distributor for more information.OE cross-reference
303.07.0049 (Levelling Valve) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number SV1287.Technical Specifications
| Port 4 | M12x1,5 |
|---|---|
| Port 21 | M12x1,5 (x2) |
| Port 11 | M12x1,5 |
| Pressure | 10 BAR |
| Inner Hole Diameter | 21 / Ø 1,20 |
| Lever mm | 178 |
Other OEMs
KNORR-BREMSE
- SV1287
- SV 1287
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE |
FAQ
What is the primary function of this levelling valve?
This component regulates air pressure within the suspension system to maintain consistent vehicle height and stability under different load conditions.
What are the technical port specifications?
This unit features M12x1,5 ports (including two Port 21 connections) and is designed for operation up to a pressure of 10 BAR.
How can I verify compatibility with my system?
Check the compatibility list or compare your current part's lever length (178 mm) and port sizes (M12x1,5) against these specifications.
When should I inspect the levelling valve?
Technicians should inspect the unit during routine suspension maintenance for any signs of air leakage around the ports or wear on the 178 mm lever.
What are the OE reference numbers of this part?
303.07.0049 directly replaces Knorr-Bremse OE number SV1287.