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301.03.0019 Air Dryer Valve for DAF Trucks

301.03.0019

Summary

This heavy-duty 24V air dryer valve is designed for DAF vehicles, ensuring reliable moisture removal from the air brake system. It features 1/2" NPTF and 1/4" NPTF port configurations and is rated for 8.4 BAR pressure to maintain optimal system performance. Equivalent to OE DAF ACU8494 and Knorr-Bremse II30178.

Product identifiers
EAN Code8699031079820
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Compatible OEM Codes

  • KNORR-BREMSE
    • LA 8223
    • II30178N50
    • II30178AT
    • II30178
  • DAF
    • ACU8494R
    • ACU8494A
    • ACU8494

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in maintaining the integrity of the pneumatic braking system by managing moisture and contaminants. By ensuring clean air flow, it protects downstream components from corrosion and prevents potential freeze-ups in cold climates. The component is manufactured with high-strength components to withstand heavy-duty service conditions.

Vehicle compatibility and specifications

This specific valve is compatible with DAF trucks and is an OE-quality replacement for Knorr-Bremse systems. It operates efficiently within a 24V electrical setup, featuring 1/2" NPTF and 1/4" NPTF port sizes to ensure precise integration into the vehicle's air circuit.

Installation and maintenance

For professional installation, technicians should verify the 8.4 BAR pressure rating and check all connection points, including the 1/2" NPTF and 1/4" NPTF ports, to ensure a leak-free seal. Regular inspection of the valve helps prevent system contamination and maintains consistent braking performance.

System reliability

Maintaining the air dryer valve is essential for the long-term reliability of heavy commercial vehicle brake systems. Ensuring proper fitment and using high-quality components prevents unnecessary downtime for fleet managers.

OE cross-reference

301.03.0019 (Air Dryer Valve Air Dryer Valves) is the equivalent of the DAF and Knorr-Bremse OE numbers. This part directly replaces DAF OE numbers ACU8494, ACU8494A, ACU8494R. It also replaces Knorr-Bremse OE numbers II30178, II30178AT, II30178N50, LA8223.

Technical Specifications

Technical Specifications
Heater24 V
Port 11/2' NPTF
Port 211/2' NPTF
Pressure8,4 BAR
Port 221/4" NPTF
Port 4/231/4" NPTF

Other OEMs

DAF

  • ACU8494R
  • ACU8494A
  • ACU8494

KNORR-BREMSE

  • LA8223
  • LA 8223
  • II30178N50
  • II30178AT
  • II30178

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
KNORR-BREMSE

FAQ

What is the function of this air dryer valve?
The valve manages moisture and contaminants within the air brake system to protect components from corrosion and freeze-up, ensuring reliable braking performance.
Which vehicle makes is this component compatible with?
This air dryer valve is specifically designed for use in DAF trucks and is compatible with Knorr-Bremse systems.
What are the technical specifications of this valve?
This unit features a 24V heater, port sizes of 1/2" NPTF and 1/4" NPTF, and is rated for a pressure of 8.4 BAR.
When should a technician inspect the air dryer valve?
It is recommended to perform preventive checks during regular maintenance intervals to ensure there are no leaks at the NPTF ports and that moisture removal remains efficient.
What are the OE reference numbers of this part?
301.03.0019 directly replaces DAF OE numbers ACU8494, ACU8494A, ACU8494R. It also replaces Knorr-Bremse OE numbers II30178, II30178AT, II30178N50, LA8223.