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301.03.0044 Mercedes-Benz Compatible Air Dryer Valve

301.03.0044

Summary

High-strength air dryer valve designed for Mercedes-Benz heavy commercial vehicles. Features 12 V operation, M22x1.5 ports, and a 10 BAR pressure rating to ensure reliable air system performance in demanding conditions. Equivalent to OE Knorr-Bremse II34426 and Mercedes-Benz 0014317515.

Product identifiers
EAN Code8699031080086
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Compatible OEM Codes

  • KNORR-BREMSE
    • LA 8268
    • II34426N50
    • II34426
  • MERCEDES BENZ
    • 001 431 75 15

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in the pneumatic brake system by removing moisture and contaminants from the compressed air supply. Built with heavy-duty grade materials, it ensures consistent air quality throughout the system, protecting downstream components from corrosion and debris.

Vehicle and system compatibility

This component is specifically designed to be compatible with Mercedes-Benz heavy commercial vehicles. It functions within the air processing unit to maintain optimal pressure levels, ensuring the reliability of the pneumatic braking system during long-haul operations.

Installation and maintenance

Installation requires careful attention to the M22x1.5 and M16x1.5 VOSS port specifications to ensure a leak-free seal. Technicians should verify the 10 BAR pressure compatibility and 12 V electrical connection during routine maintenance or replacement to prevent system failures.

Troubleshooting and inspection

Regular inspection of the valve helps prevent moisture buildup in the air lines. For optimal performance, check all connection points for signs of wear or leakage during every scheduled service interval.

OE cross-reference

301.03.0044 (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 II34426, II34426N50, LA8268. It also replaces Mercedes-Benz OE number 0014317515.

Technical Specifications

Technical Specifications
Heater12 V
Port 1M22x1,5
Port 21M22x1,5
Pressure10 BAR
Port 22-
Port 4/23M16x1,5 VOSS

Other OEMs

KNORR-BREMSE

  • LA8268
  • LA 8268
  • II34426N50
  • II34426

MERCEDES BENZ

  • A0014317515
  • 001 431 75 15

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
MERCEDES BENZ

FAQ

What is the primary function of this air dryer valve?
The valve regulates compressed air flow while filtering out moisture and impurities to protect the pneumatic braking system from damage.
Is this component compatible with Mercedes-Benz trucks?
Yes, this specific valve is designed to meet the requirements of Mercedes-Benz heavy commercial vehicle systems.
What are the technical port specifications?
The unit features M22x1.5 ports (Port 1 and 21) and an M16x1.5 VOSS port (Port 4/23) for secure integration.
What voltage is required for this valve?
This air dryer valve is designed for 12 V electrical systems commonly found in heavy commercial vehicles.
What are the OE reference numbers of this part?
301.03.0044 directly replaces Knorr-Bremse OE numbers II34426, II34426N50, LA8268. It also replaces Mercedes-Benz OE number 0014317515.