301.03.0058 Compatible Air Dryer Valve
301.03.0058
Summary
This air dryer valve is engineered for heavy commercial vehicle brake systems, featuring M22x1.5 and M12x1.5 port configurations. It operates at 8.1 BAR to ensure efficient moisture removal and system protection. Designed to meet high-strength requirements for workshop technicians and fleet managers. Equivalent to OE Knorr-Bremse II31478N50.
| EAN Code | 8699031080215 |
|---|
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Compatible OEM Codes
-
KNORR-BREMSE
- LA 8275
- II36653
- II31478N50
Description
What does an air dryer valve do?
This air dryer valve plays a critical role in the pneumatic brake system by regulating air flow and managing moisture separation. By ensuring the removal of contaminants, it helps protect downstream components from corrosion and prevents freeze-up during operation. This component is essential for maintaining consistent braking performance in heavy commercial vehicles.System compatibility
This specific valve is compatible with Knorr-Bremse systems. It is designed to integrate seamlessly into existing pneumatic circuits, ensuring that the air supply remains dry and clean for all braking functions.Technical specifications
Technical specifications include Port 1 and Port 21 measuring M22x1.5, along with a Port 4/23 size of M12x1.5. The unit is rated for a pressure of 8.1 BAR, making it suitable for standard heavy-duty air brake applications. Technicians should verify all port connections and pressure settings during installation to ensure optimal system integrity.Maintenance guidance
Regular inspection of the valve helps prevent moisture buildup in the air lines. For reliable performance, always consult your authorized distributor to ensure exact fitment for your specific vehicle requirements.OE cross-reference
301.03.0058 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers II31478N50, II36653, LA8275.Technical Specifications
| Heater | ----- |
|---|---|
| Port 1 | M22x1,5 |
| Port 21 | M22x1,5 |
| Pressure | 8,1 BAR |
| Port 22 | - |
| Port 4/23 | M12x1,5 |
Other OEMs
KNORR-BREMSE
- LA8275
- LA 8275
- II36653
- II31478N50
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE |
FAQ
What is the function of this air dryer valve?
The valve helps manage moisture and contaminants within the pneumatic brake system, protecting components from corrosion and ensuring reliable braking performance.
What are the port sizes for this component?
This valve features M22x1.5 ports (Port 1 and Port 21) and an M12x1.5 port (Port 4/23) to accommodate standard heavy-duty connections.
What is the operating pressure rating?
This component is designed to operate at a pressure of 8.1 BAR within the vehicle's braking system.
Which systems is this valve 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?
301.03.0058 directly replaces Knorr-Bremse OE numbers II31478N50, II36653, LA8275.