301.03.0043 Complete, Air Dryer Valve
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301.03.0043 DAF Complete, Air Dryer Valve Compatible

301.03.0043

Summary

The 301.03.0043 is a high-strength component designed for heavy commercial vehicle braking systems. Featuring a 24 V heater and specialized VOSS port connections (Port 1: M22x1,5; Port 21: M22x1,5; Port 22: M16x1,5; Port 4/23: M12x1,5), it operates at a pressure of 9,8 BAR to ensure optimal pneumatic performance.

EAN Code8699031080062
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Description

This complete air dryer valve is engineered to maintain the integrity of the pneumatic braking system by effectively managing moisture and air pressure. Built with heavy-duty grade materials, the component ensures consistent performance under demanding heavy commercial vehicle operating conditions. Its precise engineering provides reliable air filtration and pressure regulation within the braking circuit.

301.03.0043 is the OE-equivalent of the DAF 1314779 and KNORR-BREMSE II19375N50, II33929, and LA 8263 parts used in heavy commercial vehicle braking systems. This part is fully compatible with DAF and KNORR-BREMSE systems, ensuring seamless integration into the existing air treatment architecture.

For workshop technicians, this unit features standard VOSS thread specifications for secure assembly and long-term durability. The 24 V heater system is integrated to prevent freezing in cold environments, maintaining system responsiveness. Regular inspection of the ports and pressure levels is recommended during routine heavy commercial vehicle service intervals to ensure peak safety and system longevity.

Technical Specifications

Heater24 V
Port 1M22x1,5 VOSS
Port 21M22x1,5 VOSS
Pressure9,8 BAR
Port 22M16x1,5 VOSS
Port 4/23M12x1,5 VOSS

Other OEMs

DAF

  • 1314779

KNORR-BREMSE

  • II19375N50
  • II33929
  • LA 8263
  • LA8263

Related Products

Repair Kits

Vehicles Used

BrandModelEngine
DAF
KNORR-BREMSE

FAQ

Which vehicle brands is this part compatible with?
This part is fully compatible with DAF and KNORR-BREMSE systems using OEM codes 1314779, II19375N50, II33929, and LA 8263.
What are the technical port specifications for this valve?
The unit features Port 1 (M22x1,5 VOSS), Port 21 (M22x1,5 VOSS), Port 22 (M16x1,5 VOSS), and Port 4/23 (M12x1,5 VOSS).
Does this air dryer valve include a heater?
Yes, this component is equipped with a 24 V heater to ensure reliable performance in various climatic conditions.
What is the operating pressure for the 301.03.0043 unit?
The component is designed to operate at a standard pressure of 9,8 BAR for optimal pneumatic function.
Is this part suitable for heavy commercial vehicles?
Yes, it is specifically designed for heavy commercial vehicle brake systems compatible with DAF and KNORR-BREMSE.