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301.03.0038 Compatible Air Dryer Valve

301.03.0038

Summary

This air dryer valve is designed for heavy commercial vehicle brake systems, ensuring efficient moisture removal. It features M22x1.5 ports and a 7.3 BAR pressure rating to maintain air system integrity and prevent component corrosion in heavy-duty environments. Equivalent to OE Knorr-Bremse II31112N50.

Product identifiers
EAN Code8699031080017
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Compatible OEM Codes

  • KNORR-BREMSE
    • LA 8251
    • II31113AT
    • II31113
    • II31112N50

Description

This air dryer valve plays a critical role in maintaining the integrity of the pneumatic brake system by regulating air flow and moisture removal. By ensuring the air supply remains dry, it protects downstream components from corrosion and prevents freeze-up issues during operation. High-strength components are used to ensure reliability under demanding heavy commercial vehicle conditions.

The unit is compatible with Knorr-Bremse systems and is engineered to meet strict operational standards. It features specific port configurations including M22x1.5 ports and an M12x1.5 port/4/23 connection, operating effectively at a pressure of 7.3 BAR to ensure consistent braking performance.

For proper maintenance, technicians should regularly inspect the valve for signs of moisture buildup or pressure irregularities. Ensuring the port connections are secure and checking the 7.3 BAR pressure stability can prevent unexpected system failures in the field.

Check the compatibility list.

OE cross-reference

301.03.0038 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers II31112N50, II31113, II31113AT, LA8251.

Technical Specifications

Technical Specifications
Heater-----
Port 1M22x1,5
Port 21M22x1,5
Pressure7,3 BAR
Port 22-
Port 4/23M12x1,5

Other OEMs

KNORR-BREMSE

  • LA8251
  • LA 8251
  • II31113AT
  • II31113
  • II31112N50

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE

FAQ

What is the primary function of this air dryer valve?
It regulates the air brake system by removing moisture and contaminants, preventing corrosion and freeze-up in the pneumatic lines.
What are the technical port specifications?
This valve features M22x1.5 ports (Port 1 and Port 21) and an M12x1.5 port (Port 4/23) to ensure precise fitment.
What is the operating pressure for this component?
The component is designed to operate at a rated pressure of 7.3 BAR to maintain stable air supply.
Which systems is this valve compatible with?
This part is compatible with Knorr-Bremse systems used in heavy commercial vehicle braking applications.
What are the OE reference numbers of this part?
301.03.0038 directly replaces Knorr-Bremse OE numbers II31112N50, II31113, II31113AT, LA8251.