Vaden Part No.
301.03.0031
Air Dryer Valve, Air Dryer Valves
EAN 8699031079943
High-performance air dryer valve with 24V heater and M22x1.5 ports. Compatible with Knorr-Bremse systems. Check the compatibility list.
Description
Heater: 24 V
Port 1: M22x1,5
Port 21: M22x1,5
Pressure: 8,1 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 | 8,1 BAR |
| Port 22 | M12x1,5 |
| Port 4/23 | M12x1,5 |
Cross-Reference
4| Brand | Part number | Type | Notes |
|---|---|---|---|
| KNORR-BREMSE | II30451 | ||
| KNORR-BREMSE | II30451N50 | ||
| KNORR-BREMSE | K188237N50 | ||
| KNORR-BREMSE | LA 8237 |
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
1Description
VADEN ORIGINAL 301.03.0031 is the OE-quality equivalent of the original KNORR-BREMSE (II30451, II30451N50, K188237N50, LA8237) references in the Air Dryer Valve, Air Dryer Valves group. It is produced to fit the original dimensions and mounting points exactly and runs trouble-free after installation.
Frequently Asked Questions
What is the function of this air dryer valve?
The valve removes moisture and contaminants from the compressed air, preventing corrosion and freezing within the pneumatic brake system.
What are the port specifications for this component?
The unit features M22x1.5 (Port 1 and 21) and M12x1.5 (Port 22 and 4/23) port sizes to ensure correct fitment.
Does this valve include a heater?
Yes, this model is equipped with a 24 V heater to prevent moisture buildup during cold weather conditions.
What is the operating pressure for this part?
This component is designed to operate at a pressure of 8,1 BAR within the vehicle's pneumatic system.
What are the OE reference numbers of this part?
301.03.0031 directly replaces Knorr-Bremse OE numbers II30451, II30451N50, K188237N50, LA8237.
Vehicle Applications
1| Make | Models |
|---|---|
| KNORR-BREMSE | — |
