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301.03.0051 Air Dryer Valve, Air Dryer Valves
Vaden Part No.

301.03.0051

Air Dryer Valve, Air Dryer Valves

EAN 8699031080147

High-performance air dryer valve with 12V heater and M22x1.5 ports. Compatible with Knorr-Bremse systems. Check the compatibility list.

Description
Heater: 12 V  Port 1: M22x1,5  Port 21: M22x1,5  Pressure: 12 BAR  Port 22: -  Port 4/23: M16x1,5 VOSS 
Replaces KNORR-BREMSE II31738 KNORR-BREMSE II31738N50 KNORR-BREMSE LA 8282

Technical Specifications

6
SpecValue
Heater12 V
Port 1M22x1,5
Port 21M22x1,5
Pressure12 BAR
Port 22-
Port 4/23M16x1,5 VOSS

Cross-Reference

3
BrandPart numberTypeNotes
KNORR-BREMSE II31738
KNORR-BREMSE II31738N50
KNORR-BREMSE LA 8282

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

Meet your Air Dryer Valve, Air Dryer Valves needs on trucks, buses and tractor units with VADEN ORIGINAL 301.03.0051. Compatible with the KNORR-BREMSE (II31738, II31738N50, LA8282) references, this equivalent part is manufactured to OE-quality standards.

Frequently Asked Questions

What is the function of this air dryer valve?
It removes moisture and contaminants from the compressed air system to prevent corrosion and freeze-up in the braking system.
What are the technical port specifications?
This valve features M22x1.5 ports (Port 1 and 21) and an M16x1.5 VOSS connection (Port 4/23).
Does this component include a heater?
Yes, this model is equipped with a 12 V heater to assist in preventing moisture buildup during cold operations.
What pressure rating is this valve suitable for?
This component is designed to operate effectively within a 12 BAR pressure range.
What are the OE reference numbers of this part?
301.03.0051 directly replaces Knorr-Bremse OE numbers II31738, II31738N50, LA8282.

Vehicle Applications

1
MakeModels
KNORR-BREMSE —