301.03.0041 Compatible Air Dryer Valve
301.03.0041
Summary
This heavy-duty air dryer valve features a 24 V heater and is designed for 10 BAR operating pressure. It is compatible with Knorr-Bremse systems and includes M22x1,5 and M12x1,5 port configurations to ensure reliable air brake performance. Equivalent to OE Knorr-Bremse II31477.
| EAN Code | 8699031080048 |
|---|
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Compatible OEM Codes
-
KNORR-BREMSE
- LA 8256
- II31477N50
- II31477
Description
What does an air dryer valve do?
This air dryer valve is a critical component within the pneumatic brake system, designed to manage moisture and contaminants. By regulating the airflow, it prevents ice formation and corrosion in the braking lines, ensuring the consistent performance required for heavy commercial vehicles. It is built with high-strength components to withstand rigorous industrial use.Compatibility and specifications
The unit is compatible with Knorr-Bremse systems and is engineered to function under high-pressure conditions. It features specific port sizes, including M22x1,5 and M12x1,5, making it a reliable choice for specialized pneumatic assemblies. Check the compatibility list.Installation and maintenance
For optimal performance, technicians should verify all port connections and ensure the 24 V heater is functioning correctly during routine maintenance. Proper installation of this valve helps maintain system integrity and prevents moisture buildup within the air brake lines.System reliability
Regular inspection of the valve's ports and pressure levels is recommended to avoid system failures during heavy-duty operations.OE cross-reference
301.03.0041 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers II31477, II31477N50, LA8256.Technical Specifications
| Heater | 24 V |
|---|---|
| Port 1 | M22x1,5 |
| Port 21 | M22x1,5 |
| Pressure | 10 BAR |
| Port 22 | M12x1,5 |
| Port 4/23 | M12x1,5 |
Other OEMs
KNORR-BREMSE
- LA8256
- LA 8256
- II31477N50
- II31477
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE |
FAQ
What is the function of this air dryer valve?
It regulates the air brake system by removing moisture and contaminants, preventing corrosion and freezing in pneumatic lines.
What are the technical port specifications?
The unit features M22x1,5 ports (Port 1 and Port 21) and M12x1,5 ports (Port 22 and Port 4/23) for precise integration.
Does this valve include a heating element?
Yes, this specific model is equipped with a 24 V heater to prevent moisture freeze-up in cold climates.
What is the maximum operating pressure?
This component is designed for stable operation within a 10 BAR pressure range.
What are the OE reference numbers of this part?
301.03.0041 directly replaces Knorr-Bremse OE numbers II31477, II31477N50, LA8256.