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301.03.0084 Air Dryer Valve, Brake System

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301.03.0084 Air Dryer Valve for Mercedes-Benz

301.03.0084

Summary

This 24V air dryer valve is designed for heavy commercial vehicle brake systems. It features high-strength components with M22x1.5, M16x1.5 VOSS, and M12x1.5 ports, operating effectively at 10 BAR to ensure reliable air processing in demanding environments. Equivalent to OE Knorr-Bremse I90186 and Mercedes-Benz 0004307015.

Product identifiers
EAN Code8699031080550
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Compatible OEM Codes

  • KNORR-BREMSE
    • LA 9018
    • LA 4127
    • K069281
    • K024635N50
    • K002740N00
    • K002740BRA
    • K002740
    • I90186
  • MERCEDES BENZ
    • 000 430 70 15

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in the pneumatic braking system by managing moisture and contaminants within the air circuit. Built with high-strength components, it ensures long-term reliability and consistent air pressure regulation for heavy commercial vehicle applications.

Vehicle and system compatibility

The component is specifically compatible with Mercedes-Benz vehicles. It maintains high performance within the air brake system, ensuring that moisture is effectively removed to prevent corrosion in downstream pneumatic components. Check the compatibility list.

Installation and maintenance guidance

Installation requires attention to the specific port configurations, including the M22x1.5, M16x1.5 VOSS, and M10x1 ports. Technicians should verify the 24V electrical connection and ensure all seals are seated correctly to maintain the 10 BAR operating pressure requirement during routine maintenance.

Troubleshooting and selection

Regular inspection of the valve ports and electrical connections can prevent system failures. Ensuring the correct fitment is essential for maintaining optimal pneumatic performance throughout the vehicle's service life.

OE cross-reference

301.03.0084 (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 I90186, K002740, K002740BRA, K002740N00, K024635N50, K069281, LA4127, LA9018. It also replaces Mercedes-Benz OE number 0004307015.

Technical Specifications

Technical Specifications
Heater24 V
Port 1M22x1,5
Port 2M12x1,5
Port 21Ø20,5
Pressure10 BAR
Port 22M16x1,5 VOSS
Port 23M22x1,5
Port 24M22x1,5 VOSS
Port 25M10X1

Other OEMs

KNORR-BREMSE

  • LA9018
  • LA4127
  • LA 9018
  • LA 4127
  • K069281
  • K024635N50
  • K002740N00
  • K002740BRA
  • K002740
  • I90186

MERCEDES BENZ

  • A0004307015
  • 0004307015
  • 000 430 70 15

Related Products

Repair Kits

Used In

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
MERCEDES BENZ

FAQ

What is the function of this air dryer valve?
The valve manages the air drying process within the pneumatic brake system, helping to remove moisture and contaminants to protect other components from corrosion.
What vehicle brands is this part compatible with?
This specific component is designed for compatibility with Mercedes-Benz vehicles and meets OE standards for fitment and function.
What are the technical port specifications?
The valve features several critical connections including M22x1.5, M12x1.5, M16x1.5 VOSS, and M10X1 ports, operating at a pressure of 10 BAR.
How can I identify if a replacement is needed?
Technicians should look for signs of moisture buildup in the air lines or irregular pressure regulation in the pneumatic braking system.
What are the OE reference numbers of this part?
301.03.0084 directly replaces Knorr-Bremse OE numbers I90186, K002740, K002740BRA, K002740N00, K024635N50, K069281, LA4127, LA9018. It also replaces Mercedes-Benz OE number 0004307015.