303.07.0046 Compatible Levelling Valve for Knorr-Bremse
303.07.0046
Summary
This levelling valve is engineered for heavy-duty suspension systems, compatible with Knorr-Bremse. It features M12x1,5 port sizes, a 178 mm lever, and is rated for 10 BAR pressure to ensure precise pneumatic regulation. Equivalent to OE Knorr-Bremse SV1321.
| EAN Code | 8683457012240 |
|---|
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Compatible OEM Codes
-
KNORR-BREMSE
- SV 1321
Description
What does a levelling valve do?
This levelling valve plays a critical role in maintaining the correct ride height within pneumatic suspension systems. By regulating air pressure distribution, it ensures the stability and safety of the heavy commercial vehicle during operation. Built with high-strength components, it provides reliable performance under demanding conditions.Technical specifications and compatibility
This component is designed to be compatible with Knorr-Bremse systems. It features specific technical dimensions including M12x1,5 ports (Port 1, Port 4, and two Port 21 connections) and a 178 mm lever to ensure accurate mechanical actuation.Installation and maintenance guidance
For proper installation, technicians should verify that all M12x1,5 connections are properly seated and that the 10 BAR operating pressure matches the vehicle's pneumatic system requirements. Regular inspection of the lever and port seals is recommended to prevent air leaks.Selection and troubleshooting
Checking the lever length and port configurations during replacement ensures optimal system integration and prevents improper suspension leveling.OE cross-reference
303.07.0046 (Levelling Valve) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number SV1321.Technical Specifications
| Port 1 | M12x1,5 |
|---|---|
| Port 4 | M12x1,5 |
| Port 21 | M12x1,5 (x2) |
| Pressure | 10 BAR |
| Inner Hole Diameter | 21 / Ø 1,80 |
| Lever mm | 178 |
Other OEMs
KNORR-BREMSE
- SV1321
- SV 1321
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE |
FAQ
What is the function of this levelling valve?
The valve regulates air pressure within the pneumatic suspension system to maintain the correct vehicle height and stability.
Which systems is this component compatible with?
This part is designed to be compatible with Knorr-Bremse systems used in heavy commercial vehicle suspensions.
What are the technical port specifications?
The unit features M12x1,5 ports (Port 1, Port 4, and two Port 21) and is designed for an operating pressure of 10 BAR.
What should I check during installation?
Technicians should ensure the 178 mm lever moves freely and that all M12x1,5 connections are secure to prevent pressure loss.
What are the OE reference numbers of this part?
303.07.0046 directly replaces Knorr-Bremse OE number SV1321.