301.03.0040 Complete, Air Dryer Valve
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301.03.0040 KNORR-BREMSE Complete, Air Dryer Valve

301.03.0040

Summary

●Heater: ----- ●Port 1: M22x1,5 ●Port 21: M22x1,5 ●Pressure: 12,5 BAR ●Port 22: M12x1,5 ●Port 4/23: M12x1,5. This heavy-duty component ensures optimal pneumatic regulation in heavy commercial vehicle brake systems.

EAN Code8699031080031
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Description

The technical specifications for this component include Port 1: M22x1,5, Port 21: M22x1,5, Port 22: M12x1,5, and Port 4/23: M12x1,5, operating at a pressure of 12,5 BAR. These heavy-duty grade materials ensure reliable performance within the pneumatic brake system architecture.

301.03.0040 is the OE-equivalent Complete, Air Dryer Valve used in KNORR-BREMSE (II19209N50, II31475, LA 6222, LA 8254) and MAN (81.52102-6037) systems. This part is engineered to maintain consistent air quality and pressure regulation for heavy commercial vehicles.

For workshop technicians performing maintenance or system overhauls, this unit provides a precise fit for specified port sizes. Regular inspection of the air dryer assembly is recommended to ensure the integrity of the pneumatic circuit and to prevent moisture-related issues in the braking system.

Technical Specifications

Heater-----
Port 1M22x1,5
Port 21M22x1,5
Pressure12,5 BAR
Port 22M12x1,5
Port 4/23M12x1,5

Other OEMs

KNORR-BREMSE

  • II19209N50
  • II31475
  • LA 6222
  • LA 8254
  • (LA 6222)
  • LA6222
  • LA8254

MAN

  • 81.52102-6037
  • 81521026037

Related Products

Repair Kits

Vehicles Used

BrandModelEngine
KNORR-BREMSE
MAN

FAQ

What are the compatible OEM numbers for this air dryer valve?
This product is compatible with KNORR-BREMSE (II19209N50, II31475, LA 6222, LA 8254) and MAN (81.52102-6037).
Which vehicle makes is this part designed for?
This component is specifically designed for heavy commercial vehicles from manufacturers like MAN and systems from KNORR-BREMSE.
What is the operating pressure of the 301.03.0040 valve?
The unit is designed to operate at a pressure of 12,5 BAR to ensure stable pneumatic performance.
What are the port dimensions for installation?
The assembly features Port 1 (M22x1,5), Port 21 (M22x1,5), Port 22 (M12x1,5), and Port 4/23 (M12x1,5).
Is this part suitable for heavy duty truck brake systems?
Yes, it is a professional-grade component built with high-strength components for heavy commercial vehicle brake applications.