303.02.0038.01 Replacement Kit for 4-Circuit Protection Valves
303.02.0038.01
Summary
This heavy-duty grade 4-circuit protection valve repair kit is designed for the maintenance of pneumatic brake systems in heavy commercial vehicles. It is compatible with Knorr-Bremse systems to ensure optimal pressure distribution and safety. Equivalent to OE Knorr-Bremse SEB22144.
| EAN Code | 8683457003361 |
|---|
Ready to Order
Compatible OEM Codes
-
KNORR-BREMSE
- SEB22144
Description
What does a repair kit do?
This repair kit provides the necessary components to overhaul the four-circuit protection valve within a pneumatic brake system. By replacing internal wear parts, the valve maintains its ability to distribute compressed air to independent circuits, such as the front axle, rear axle, and parking brakes, ensuring the vehicle can be brought to a safe stop even if one circuit fails.System compatibility and application
The kit is designed for use in heavy commercial vehicle braking systems and is compatible with Knorr-Bremse systems. This ensures that the protection valve returns to its original factory response speed and pressure regulation standards without requiring a full housing replacement.Maintenance and installation
Workshop technicians should perform inspections of the internal seals and diaphragms during routine brake system maintenance. Replacing these components helps prevent pressure drops across the independent pneumatic circuits and ensures the reliability of the multi-circuit protection function.Troubleshooting guidance
Consult your authorized distributor to ensure correct fitment for your specific braking system requirements.OE cross-reference
303.02.0038.01 (4-Circuit Protection Valve Repair Kit) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number SEB22144.Other OEMs
KNORR-BREMSE
- SEB22144
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE |
FAQ
What is the purpose of a 4-circuit protection valve repair kit?
The kit contains wear parts like seals and diaphragms used to overhaul the valve, ensuring it correctly protects independent pneumatic circuits in heavy commercial vehicles.
Which systems is this repair kit compatible with?
This kit is designed for use in pneumatic brake systems and is compatible with Knorr-Bremse systems.
When should a technician use a repair kit instead of a new valve?
If the valve housing is intact but pressure response or sealing is compromised, using a high-strength component kit can renew the internal mechanism effectively.
How does a 4-circuit protection valve ensure vehicle safety?
It distributes air to multiple independent circuits; if one circuit develops a leak, it prevents pressure loss from affecting the remaining functional circuits.
What are the OE reference numbers of this part?
303.02.0038.01 directly replaces Knorr-Bremse OE number SEB22144.