Vaden Part No.
301.03.0041
Air Dryer Valve, Air Dryer Valves
EAN 8699031080048
High-performance air dryer valve with 24 V heater and 10 BAR rating. Compatible with Knorr-Bremse systems. Check the compatibility list.
Description
Heater: 24 V
Port 1: M22x1,5
Port 21: M22x1,5
Pressure: 10 BAR
Port 22: M12x1,5
Port 4/23: M12x1,5
Replaces
Technical Specifications
6| Spec | Value |
|---|---|
| Heater | 24 V |
| Port 1 | M22x1,5 |
| Port 21 | M22x1,5 |
| Pressure | 10 BAR |
| Port 22 | M12x1,5 |
| Port 4/23 | M12x1,5 |
Cross-Reference
3| Brand | Part number | Type | Notes |
|---|---|---|---|
| KNORR-BREMSE | II31477 | ||
| KNORR-BREMSE | II31477N50 | ||
| KNORR-BREMSE | LA 8256 |
All OEM part numbers and brand names are used for reference only. Vaden is not affiliated with, endorsed by, or sponsored by these manufacturers.
Repair Kits
1
Description
VADEN ORIGINAL 301.03.0041 is an equivalent part in the Air Dryer Valve, Air Dryer Valves group matching the original KNORR-BREMSE (II31477, II31477N50, LA8256) references. Its OE-quality manufacturing process preserves the vehicle's performance and lowers maintenance costs.
Frequently Asked Questions
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.
Vehicle Applications
1| Make | Models |
|---|---|
| KNORR-BREMSE | — |