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301.03.0039 KNORR-BREMSE Complete, Air Dryer Valve

301.03.0039

Summary

●Port 1: M22x1,5 ●Port 21: M22x1,5 ●Port 22: M12x1,5 ●Port 4/23: M12x1,5 ●Pressure: 8,1 BAR ●Category: Complete, Air Dryer Valve

EAN Code8699031080024
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Compatible OEM Codes

  • KNORR-BREMSE LA 8253 K022751 II31478N50 II31119AT II31119 II30179

Description

The VADEN ORIGINAL 301.03.0039 is a precision-engineered component designed for the air brake system to ensure optimal air quality and pressure stability. This complete air dryer valve assembly plays a critical role in removing moisture and contaminants from the pneumatic circuit, protecting downstream components from corrosion and freezing.

This product is fully compatible with KNORR-BREMSE systems and specifically matches the requirements for several heavy commercial vehicle applications. The 301.03.0039 is the OE equivalent of the KNORR-BREMSE II30179, II31119, II31119AT, II31478N50, K022751, and LA8253 components. It is engineered to maintain performance under high-pressure demands within the braking system.

The technical configuration features dual M22x1,5 ports (Port 1 and Port 21) and dual M12x1,5 ports (Port 22 and Port 4/23), ensuring a precise fit for professional installation. Technicians should verify the pressure specifications of 8,1 BAR to ensure compatibility with the existing vehicle pneumatic architecture.

Regular inspection of the air dryer assembly is recommended to prevent moisture buildup in the braking system. For maintenance professionals and fleet managers seeking reliable replacement parts, this unit provides a robust solution for maintaining heavy commercial vehicle safety standards.

Technical Specifications

Heater-----
Port 1M22x1,5
Port 21M22x1,5
Pressure8,1 BAR
Port 22M12x1,5
Port 4/23M12x1,5

Other OEMs

KNORR-BREMSE

  • LA8253
  • LA 8253
  • K022751
  • II31478N50
  • II31119AT
  • II31119
  • II30179

Related Products

Vehicles Used

BrandModelModel TypeEngine
KNORR-BREMSE

FAQ

What are the compatible OEM references for this part?
This product is compatible with the following references: II30179, II31119, II31119AT, II31478N50, K022751, LA8253.
What are the port specifications for this air dryer valve?
The unit features Port 1 and Port 21 at M22x1,5 and Port 22 and Port 4/23 at M12x1,5.
Can this part be used in heavy commercial vehicle braking systems?
Yes, this complete air dryer valve is designed specifically for heavy commercial vehicle pneumatic brake systems.
What is the operating pressure of this component?
The specified operating pressure for this unit is 8,1 BAR.
How do I ensure this part fits my KNORR-BREMSE system?
Check your existing part number against the provided OEM list including II30179 or LA8253 to ensure exact compatibility.