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301.03.0048 Air Dryer Valve, Brake System

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301.03.0048 Compatible Air Dryer Valve

301.03.0048

Summary

This 24V air dryer valve is engineered for heavy commercial vehicle brake systems. It features M22x1,5 and M12x1,5 port configurations and operates at 11 BAR to ensure reliable moisture removal and system protection. Designed for high-strength performance in demanding environments. Equivalent to OE Knorr-Bremse II36257N00.

Product identifiers
EAN Code8699031080116
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Compatible OEM Codes

  • KNORR-BREMSE
    • LA 8272
    • II36257N50
    • II36257N00

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in maintaining the integrity of the pneumatic braking system. By managing air flow and ensuring the removal of contaminants, it protects downstream components from corrosion and freezing, which is essential for maintaining consistent braking performance in heavy commercial vehicles.

Compatibility and technical specifications

This component is designed for compatibility with Knorr-Bremse systems. It features a 24V heater to prevent moisture buildup in cold climates and utilizes specific port sizes including M22x1,5 and M12x1,5 to ensure a precise fit within the existing air brake circuit.

Installation and maintenance guidance

Installation should be performed by a workshop technician to ensure all port connections are secure and the 11 BAR operating pressure is maintained throughout the system. Regular inspection of the valve and its connections helps prevent moisture-related failures in the pneumatic lines.

System reliability and troubleshooting

Maintaining proper air quality through a reliable valve reduces overall maintenance costs and enhances the safety of the vehicle's braking capabilities.

OE cross-reference

301.03.0048 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers II36257N00, II36257N50, LA8272.

Technical Specifications

Technical Specifications
Heater24 V
Port 1M22x1,5
Port 21M22x1,5
Pressure11 BAR
Port 22M12x1,5
Port 4/23M12x1,5

Other OEMs

KNORR-BREMSE

  • LA8272
  • LA 8272
  • II36257N50
  • II36257N00

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE

FAQ

What is the function of this air dryer valve?
The valve manages air flow within the pneumatic system to remove moisture and contaminants, preventing corrosion and freezing in the brake lines.
What electrical requirements does this valve have?
This specific model operates on a 24 V electrical system, which includes an integrated heater to ensure functionality in low temperatures.
Which port sizes are used on this component?
The valve is equipped with M22x1,5 ports (Port 1 and Port 21) and M12x1,5 ports (Port 22 and Port 4/23) for precise system integration.
What is the maximum operating pressure?
This component is designed to operate reliably at a pressure of 11 BAR within heavy commercial vehicle air systems.
What are the OE reference numbers of this part?
301.03.0048 directly replaces Knorr-Bremse OE numbers II36257N00, II36257N50, LA8272.