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502657308 Air Dryer Valve Compatible with Liebherr

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502657308 Air Dryer Valve for Liebherr Systems

301.02.0001

Summary

This air dryer valve is designed for heavy commercial vehicle brake systems, specifically compatible with Liebherr. It features a 24 V heater, M22x1,5 and M12x1,5 port configurations, and operates at 8,5 BAR pressure to ensure reliable air system performance. Equivalent to OE Liebherr 502657308.

Product identifiers
EAN Code8699031062297
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Compatible OEM Codes

  • WABCO
    • 432 410 007 0
  • VOLVO
    • WAB4324100070
  • SCANIA
    • 390854
  • MACK
    • 6300-4324100070
  • LIEBHERR
    • 502657308
  • IVECO
    • 981819
  • DAF
    • 1517963
  • ALEXANDER DENNIS
    • DP002122

Description

This air dryer valve serves as a critical component within the pneumatic brake system, ensuring that moisture and contaminants are effectively managed. By regulating air flow and preventing liquid accumulation, it protects downstream brake components from corrosion and freeze-up, maintaining consistent braking performance under heavy-duty conditions.

Designed for compatibility with Liebherr vehicles, this component is engineered to meet strict industrial standards. The unit features a 24 V heater to prevent moisture freezing in cold climates and includes specific port sizes including M22x1,5 and M12x1,5 to ensure secure integration into the existing pneumatic circuit.

Technicians should ensure that all connections are tightened to specification during installation to prevent pressure drops. Regular inspection of the valve and its associated ports is recommended to maintain optimal system pressure and prevent air leaks in the heavy commercial vehicle's braking loop.

For optimal performance in extreme environments, check the compatibility list to ensure this unit matches your specific system requirements.

OE cross-reference

301.02.0001 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Liebherr OE number. This part directly replaces Liebherr OE number 502657308.

Technical Specifications

Technical Specifications
Heater24 V
Port 1M22x1,5
Port 21M22x1,5
Pressure8,5 BAR
Port 22M12x1,5
Port 4/23M12x1,5

Other OEMs

ALEXANDER DENNIS

  • DP002122

DAF

  • 1517963

IVECO

  • 981819

LIEBHERR

  • 502657308

MACK

  • 6300-4324100070

SCANIA

  • 390854

VOLVO

  • WAB4324100070

WABCO

  • 4324100070
  • 432.410.007.0
  • 432 410 007 0

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
ALEXANDER DENNIS
DAF
IVECO
LIEBHERR
MACK
SCANIA
VOLVO
VOLVO B10B D10A
VOLVO B10M D10A
VOLVO B12 D12A
VOLVO F10 TD102
VOLVO F12 TD122
VOLVO FL10 D10A
VOLVO FL10 TD102
VOLVO FL10 TD103
VOLVO FL12 TD122
VOLVO FL12 TD123
VOLVO NL10 D10A
VOLVO NL12 D12A
WABCO

FAQ

What is the function of this air dryer valve?
The valve removes moisture and contaminants from the compressed air stream, protecting the braking system from corrosion and freezing.
What are the electrical requirements for this component?
This specific model is equipped with a 24 V heater to maintain proper operation in low-temperature environments.
Which vehicle brands is this valve compatible with?
This component is designed for use in Liebherr heavy commercial vehicles.
What port sizes are required for installation?
The unit features M22x1,5 and M12x1,5 port configurations to accommodate standard heavy-duty pneumatic connections.
What are the OE reference numbers of this part?
301.02.0001 directly replaces Liebherr OE number 502657308.