301.03.0003 Complete, Air Dryer Valve
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301.03.0003 KNORR-BREMSE Compatible Air Dryer Valve

301.03.0003

Summary

●Heater: 24 V ●Port 1: M22x1,5 ●Port 21: M22x1,5 VOSS ●Pressure: 12 BAR ●Port 22: M16x1,5 VOSS ●Port 4/23: M12x1,5 VOSS

EAN Code8699031079660
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Description

The high-strength components of this Complete, Air Dryer Valve are engineered to ensure optimal pneumatic regulation within the brake system. Designed for heavy-duty operation, this part provides essential moisture and contaminant filtration to maintain system integrity and prevent pneumatic failure in demanding environments.

301.03.0003 is the OE-equivalent of the KNORR-BREMSE II19213, II19213N50, LA 8202 and MERCEDES BENZ 001 431 41 15 parts used in heavy commercial vehicle brake systems. This unit is specifically engineered for compatibility with KNORR-BREMSE and MERCEDES BENZ systems to ensure seamless integration and reliability.

For workshop technicians, this component features standardized port configurations including M22x1,5 and M16x1,5 VOSS connections to facilitate efficient installation. Proper maintenance of the air dryer system and regular checks of the port seals are recommended to ensure long-term service life and consistent pressure regulation during heavy commercial vehicle operation.

Technical Specifications

Heater24 V
Port 1M22x1,5
Port 21M22x1,5 VOSS
Pressure12 BAR
Port 22M16x1,5 VOSS
Port 4/23M12x1,5 VOSS

Other OEMs

KNORR-BREMSE

  • II19213
  • II19213N50
  • LA 8202
  • LA8202

MERCEDES BENZ

  • 001 431 41 15
  • 001 431 4115
  • 001.431.41.15
  • 001.431.4115
  • 0014314115
  • A0014314115

Related Products

Repair Kits

Vehicles Used

BrandModelEngine
KNORR-BREMSE
MERCEDES BENZ

FAQ

What are the compatible OEM numbers for this air dryer valve?
This product is a direct replacement for KNORR-BREMSE II19213, II19213N50, LA 8202 and MERCEDES BENZ 001 431 41 15.
What is the electrical requirement for the heater?
The integrated heater for this complete air dryer valve operates on a 24 V electrical system.
Which vehicle makes is this part compatible with?
This component is designed for compatibility with KNORR-BREMSE and MERCEDES BENZ heavy commercial vehicle systems.
What are the connection port specifications?
The unit features Port 1 (M22x1,5), Port 21 (M22x1,5 VOSS), Port 22 (M16x1,5 VOSS), and Port 4/23 (M12x1,5 VOSS).
Is this part suitable for heavy-duty pneumatic systems?
Yes, it is designed with high-strength components to handle a pressure of up to 12 BAR in heavy commercial vehicle brake systems.