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301.03.0040 Compatible Air Dryer Valve for MAN

301.03.0040

Summary

This high-strength air dryer valve is designed for heavy commercial vehicle brake systems, specifically compatible with MAN. It features M22x1.5 and M12x1.5 port configurations and is engineered to maintain consistent air pressure up to 12.5 BAR in demanding environments. Equivalent to OE Knorr-Bremse II19209N50 and MAN 81521026037.

Product identifiers
EAN Code8699031080031
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Compatible OEM Codes

  • KNORR-BREMSE
    • LA 8254
    • LA 6222
    • II31475
    • II19209N50
  • MAN
    • 81.52102-6037

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in the pneumatic brake system by regulating air flow and ensuring the removal of moisture and contaminants. By maintaining clean air throughout the system, it protects sensitive brake components from corrosion and prevents freeze-up during operation, which is essential for heavy commercial vehicle safety.

Vehicle compatibility and ports

This component is designed for MAN vehicles and is fully compatible with Knorr-Bremse systems. It features specific port dimensions including M22x1.5 and M12x1.5 to ensure precise integration within the air brake circuit.

Installation and maintenance

For optimal performance, technicians should verify that all port connections are secure and check for any signs of moisture buildup in the discharge lines. Maintaining this valve according to service intervals helps ensure the long-term reliability of the entire pneumatic system.

Operational pressure and reliability

The valve operates efficiently at a rated pressure of 12.5 BAR, providing stable pneumatic control for heavy-duty applications. Consult your authorized distributor.

OE cross-reference

301.03.0040 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse and MAN OE numbers. This part directly replaces Knorr-Bremse OE numbers II19209N50, II31475, LA6222, LA8254. It also replaces MAN OE number 81521026037.

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

  • LA8254
  • LA6222
  • (LA 6222)
  • LA 8254
  • LA 6222
  • II31475
  • II19209N50

MAN

  • 81521026037
  • 81.52102-6037

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
MAN

FAQ

What is the function of this air dryer valve?
The valve is vital for removing moisture and contaminants from the air brake system, protecting components from corrosion and preventing freeze-up.
Which vehicle brands is this component compatible with?
This part is designed for use in MAN vehicles and is compatible with Knorr-Bremse systems.
What are the technical port specifications?
This unit features M22x1.5 ports (Port 1 and Port 21) and M12x1.5 ports (Port 22 and Port 4/23) to ensure correct fitment.
What is the maximum operating pressure?
The component is engineered to operate reliably at a pressure of up to 12.5 BAR within the pneumatic system.
What are the OE reference numbers of this part?
301.03.0040 directly replaces Knorr-Bremse OE numbers II19209N50, II31475, LA6222, LA8254. It also replaces MAN OE number 81521026037.