Global Website: vadenoriginal.com
ENES
ENES
Distributor LoginLog in
301.03.0031 Air Dryer Valve, Air Dryer Valves
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 KNORR-BREMSE II30451 KNORR-BREMSE II30451N50 KNORR-BREMSE K188237N50 KNORR-BREMSE LA 8237

Technical Specifications

6
SpecValue
Heater24 V
Port 1M22x1,5
Port 21M22x1,5
Pressure8,1 BAR
Port 22M12x1,5
Port 4/23M12x1,5

Cross-Reference

4
BrandPart numberTypeNotes
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

1

Description

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
MakeModels
KNORR-BREMSE —