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301.03.0001 Air Dryer Valve, Brake System

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301.03.0001 Compatible Air Dryer Valve

301.03.0001

Summary

This air dryer valve is designed for heavy commercial vehicle brake systems. It features a 24 V heater, M22x1.5 ports, and M12x1.5 VOSS ports, ensuring reliable air processing for Mercedes-Benz applications. Equivalent to OE Knorr-Bremse II19211 and Mercedes-Benz 0014314015.

Product identifiers
EAN Code8699031080932
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Compatible OEM Codes

  • KNORR-BREMSE
    • LA 8200
    • II19211N50
    • II19211N49
    • II19211
  • MERCEDES BENZ
    • 001 431 40 15

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in the pneumatic brake system by managing air quality and moisture removal. Built with high-strength components, it ensures consistent pressure regulation within the system, protecting downstream components from contaminants and moisture buildup in heavy commercial vehicle applications.

Vehicle compatibility and fitment

The component is compatible with Mercedes-Benz vehicles and meets OE standards for fitment and function. It is designed to operate effectively at 8.5 BAR pressure, ensuring stable performance under demanding service conditions.

Installation and maintenance

For proper installation, technicians should verify that the M22x1.5 and M12x1.5 VOSS port connections are secure and that the 24 V electrical connections are properly grounded. Regular inspection of the valve helps prevent air system contamination and ensures optimal braking performance.

System performance guidance

Check the compatibility list to ensure this part meets your specific fleet requirements.

OE cross-reference

301.03.0001 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse and Mercedes-Benz OE numbers. This part directly replaces Knorr-Bremse OE numbers II19211, II19211N49, II19211N50, LA8200. It also replaces Mercedes-Benz OE number 0014314015.

Technical Specifications

Technical Specifications
Heater24 V
Port 1M22x1,5
Port 21M22x1,5
Pressure8,5 BAR
Port 4/23M12x1,5 VOSS

Other OEMs

KNORR-BREMSE

  • LA8200
  • LA 8200
  • II19211N50
  • II19211N49
  • II19211

MERCEDES BENZ

  • A0014314015
  • 0014314015
  • 001.431.4015
  • 001.431.40.15
  • 001 431 4015
  • 001 431 40 15

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
MERCEDES BENZ

FAQ

What is the function of this air dryer valve?
This valve manages compressed air within the braking system, helping to regulate pressure and ensure clean, dry air reaches the pneumatic components.
Which vehicles is this component compatible with?
This specific part is designed to be compatible with Mercedes-Benz vehicles within the heavy commercial vehicle sector.
What are the technical connection specifications?
The unit features M22x1.5 ports (Port 1 and Port 21) and an M12x1.5 VOSS port (Port 4/23), operating at a pressure of 8.5 BAR.
Does this valve include a heating element?
Yes, this model is equipped with a 24 V heater to prevent moisture freezing and ensure reliable operation in cold climates.
What are the OE reference numbers of this part?
301.03.0001 directly replaces Knorr-Bremse OE numbers II19211, II19211N49, II19211N50, LA8200. It also replaces Mercedes-Benz OE number 0014314015.