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301.03.0045 Air Dryer Valve, Brake System

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301.03.0045 Compatible Air Dryer Valve

301.03.0045

Summary

This heavy-duty air dryer valve features a 24V heater and M22x1,5 port configuration to ensure reliable moisture separation. Designed for high-strength performance within the air brake system, it maintains optimal pressure levels for heavy commercial vehicle safety. Compatible with Knorr-Bremse systems. Equivalent to OE Knorr-Bremse II30179.

Product identifiers
EAN Code8699031080079
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Compatible OEM Codes

  • KNORR-BREMSE
    • LA 8269
    • K188269K50
    • II35522AT
    • II35522
    • II30448N50
    • II30179

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in the air brake system by managing moisture and contaminants to prevent corrosion and freeze-up. By maintaining consistent pneumatic pressure, it protects downstream components and ensures reliable braking performance during heavy-duty operations.

Compatibility and technical specifications

This component is engineered to be compatible with Knorr-Bremse systems. It features specific technical configurations including a 24V heater, M22x1,5 ports, and a M12x1,5 VOSS port to meet strict industrial standards.

Installation and maintenance guidance

Technicians should verify port sizes and electrical connections during installation to ensure a precise fit. Regular inspection of the valve and its heater functionality is essential to prevent moisture buildup in the braking circuit.

System reliability and selection

Maintaining the integrity of the air drying process is vital for the long-term reliability of the vehicle's pneumatic system. Consult your authorized distributor for more information.

OE cross-reference

301.03.0045 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers II30179, II30448N50, II35522, II35522AT, K188269K50, LA8269.

Technical Specifications

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

Other OEMs

KNORR-BREMSE

  • LA8269
  • LA 8269
  • K188269K50
  • II35522AT
  • II35522
  • II30448N50
  • II30179

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 moisture and contaminants within the air brake system to prevent corrosion and ensure consistent braking performance.
What are the technical port specifications?
This unit features M22x1,5 ports (Port 1 and Port 21) and an M12x1,5 VOSS port (Port 4/23) for precise system integration.
Does this valve include a heater?
Yes, this specific model is equipped with a 24V heater to prevent freezing in cold operating conditions.
Which systems is this part compatible with?
This component is designed to be compatible with Knorr-Bremse systems within heavy commercial vehicle applications.
What are the OE reference numbers of this part?
301.03.0045 directly replaces Knorr-Bremse OE numbers II30179, II30448N50, II35522, II35522AT, K188269K50, LA8269.