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301.03.0029 Air Dryer Valve, Brake System

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301.03.0029 Compatible Air Dryer Valve

301.03.0029

Summary

This air dryer valve is engineered for heavy commercial vehicle brake systems. It features M22x1.5 and M12x1.5 port configurations and is designed to operate at 10 BAR, ensuring reliable moisture removal and system protection. Equivalent to OE Knorr-Bremse II30444.

Product identifiers
EAN Code8699031079929
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Compatible OEM Codes

  • KNORR-BREMSE
    • LA 8235
    • II30449AT
    • II30449
    • II30444N50
    • II30444

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in maintaining the integrity of the pneumatic braking system. By managing air flow and facilitating the removal of moisture and contaminants, it prevents corrosion and freeze-up within the lines. Using high-strength components ensures that the valve can withstand the high-pressure demands of heavy commercial vehicle operations.

System compatibility and specifications

This component is compatible with Knorr-Bremse systems. It is specifically designed to manage air pressure effectively, featuring M22x1.5 and M12x1.5 port sizes to ensure precise integration into existing pneumatic circuits.

Installation and maintenance guidance

For optimal performance, technicians should verify the port connections (M22x1.5 and M12x1.5) during installation. Regular inspection of the valve ensures that the 10 BAR operating pressure remains consistent, preventing moisture buildup that could lead to brake system failures.

Ensuring system reliability

Maintaining the air dryer valve is essential for preventing system-wide contamination. Ensuring proper fitment with existing pneumatic lines helps maintain consistent braking performance and long-term reliability across the fleet.

OE cross-reference

301.03.0029 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers II30444, II30444N50, II30449, II30449AT, LA8235.

Technical Specifications

Technical Specifications
Heater-----
Port 1M22x1,5
Port 21M22x1,5
Pressure10 BAR
Port 22M12x1,5
Port 4/23M12x1,5

Other OEMs

KNORR-BREMSE

  • LA8235
  • LA 8235
  • II30449AT
  • II30449
  • II30444N50
  • II30444

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE

FAQ

What is the function of this air dryer valve?
The valve manages the removal of moisture and contaminants from the compressed air, protecting the pneumatic brake system from corrosion and freezing.
What are the port specifications for this component?
This unit features M22x1.5 ports (Port 1 and Port 21) and M12x1.5 ports (Port 22 and Port 4/23) to ensure correct pneumatic connection.
What is the maximum operating pressure?
This component is designed to operate effectively at a pressure of 10 BAR within the vehicle's braking system.
Which systems is this part compatible with?
This part is compatible with Knorr-Bremse systems used in heavy commercial vehicle braking applications.
What are the OE reference numbers of this part?
301.03.0029 directly replaces Knorr-Bremse OE numbers II30444, II30444N50, II30449, II30449AT, LA8235.