Skip to content
301.03.0055 Air Dryer Valve, Brake System

1777 Views Updated

301.03.0055 Compatible Air Dryer Valve

301.03.0055

Summary

This air dryer valve is designed for heavy commercial vehicle brake systems. It features M22x1,5 and M12x1,5 port configurations and is compatible with Knorr-Bremse systems to ensure efficient moisture removal and system protection. Equivalent to OE Knorr-Bremse II30446.

Product identifiers
EAN Code8699031080185
Ready to Order
Get Information
Share
WhatsApp Facebook X LinkedIn

Compatible OEM Codes

  • KNORR-BREMSE
    • LA 8232
    • II39740FN50
    • II30446N04
    • II30446AT
    • II30446

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in maintaining the integrity of the pneumatic brake system. By effectively managing air flow and managing moisture, it protects downstream components from corrosion and prevents freezing during operation in harsh conditions. Using high-strength components ensures long-term reliability in heavy commercial vehicle applications.

Technical specifications and compatibility

The unit is designed to work seamlessly within professional braking circuits. It is compatible with Knorr-Bremse systems and features specific technical configurations including M22x1,5 and M12x1,5 ports. This valve is engineered to handle operating pressures up to 12,5 BAR, ensuring stable performance under load.

Installation and maintenance

When performing maintenance or repairs, technicians should verify all port connections to ensure a secure fit. Proper installation of this component helps maintain consistent air pressure throughout the braking circuit. Consult your authorized distributor for fitment verification.

System reliability

Regular inspection of the valve helps prevent contaminants from entering the pneumatic lines, reducing the risk of system failure. Maintaining a clean air supply is essential for the longevity of all brake system components.

OE cross-reference

301.03.0055 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers II30446, II30446AT, II30446N04, II39740FN50, LA8232.

Technical Specifications

Technical Specifications
Heater-----
Port 1M22x1,5
Port 21M22x1,5
Pressure12,5 BAR
Port 22M12x1,5
Port 4/23M12x1,5

Other OEMs

KNORR-BREMSE

  • LA8232
  • LA 8232
  • II39740FN50
  • II30446N04
  • II30446AT
  • II30446

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE

FAQ

What is the function of this air dryer valve?
This component manages the removal of moisture and contaminants from the compressed air stream to protect the braking system from corrosion.
Which systems is this valve compatible with?
This unit is designed to be compatible with Knorr-Bremse systems within heavy commercial vehicle braking networks.
What are the port specifications for this part?
The valve features M22x1,5 and M12x1,5 port sizes to ensure precise integration into existing pneumatic lines.
What is the maximum operating pressure?
This air dryer valve is engineered to operate effectively at a pressure of up to 12,5 BAR.
What are the OE reference numbers of this part?
301.03.0055 directly replaces Knorr-Bremse OE numbers II30446, II30446AT, II30446N04, II39740FN50, LA8232.