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301.02.0002.03 Air Dryer Valve Repair Kit, Brake System
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301.02.0002.03 Compatible Air Dryer Valve Repair Kit

301.02.0002.03

Summary

This air dryer valve repair kit is designed for heavy commercial vehicle brake systems. It is compatible with Mercedes-Benz, Volvo, Scania, DAF, and WABCO systems to restore purge valve functionality and ensure clean air circulation throughout the pneumatic circuit. Equivalent to OE Mercedes-Benz 0004303115, Volvo 85106906 and WABCO 9324000012.

Product identifiers
EAN Code8699031087788
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Compatible OEM Codes

  • WABCO
    • 932 400 001 2
  • VOLVO
    • 85106906
  • MERCEDES BENZ
    • 000 430 31 15

Description

What does an air dryer valve repair kit do?

This air dryer valve repair kit is a specialized rebuild set designed to restore the functionality of the desiccant-equipped purge valve within a heavy commercial vehicle's air brake system.

Vehicle and system compatibility

The kit targets the components most prone to wear due to heat, vibration, and oil exposure, such as gaskets and springs. It is compatible with various heavy commercial vehicles including Mercedes-Benz, Volvo, Scania, DAF, Iveco, VDL, Solaris, and Faun. These kits are also suitable for vehicles from Renault Trucks and other major manufacturers.

Maintenance and installation guidance

Maintenance of the air dryer system is critical to prevent moisture and oil from entering the brake circuit. By replacing the internal sealing elements and spring assemblies, technicians can restore proper discharge of condensed water without replacing the entire valve body. This ensures the pneumatic system remains dry and free from contaminants.

Ensuring system integrity

When performing a rebuild, it is essential to verify that all seals and pins are seated correctly to prevent air leaks. Checking for consistent discharge cycles after installation helps ensure the integrity of the air brake system.

OE cross-reference

301.02.0002.03 (Air Dryer Valve Repair Kit Air Dryer Valves) is the equivalent of the Mercedes-Benz, Volvo and WABCO OE numbers. This part directly replaces Mercedes-Benz OE number 0004303115. It also replaces Volvo OE number 85106906 and WABCO OE number 9324000012.

Other OEMs

MERCEDES BENZ

  • A0004303115
  • 000 430 31 15

VOLVO

  • 85106906

WABCO

  • 9324000012
  • 932.400.001.2
  • 932 400 001 2

Related Products

Used In

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
FAUN
IVECO
MERCEDES BENZ
ProVia
SCANIA
SOLARIS
VDL
VOLVO
WABCO

FAQ

What does an air dryer valve repair kit include?
The kit typically contains the essential wearing parts such as O-rings, gaskets, a purge pin, and a return spring required to overhaul the purge valve.
Which vehicle brands are these kits compatible with?
These kits are compatible with heavy commercial vehicles from Mercedes-Benz, Volvo, Scania, DAF, Iveco, VDL, Solaris, and Faun.
Can these kits be used with WABCO systems?
Yes, these repair kits are designed to be compatible with WABCO systems and other major OEM architectures used in heavy duty braking.
When should a repair kit be installed?
Installation is recommended when symptoms like continuous air leaks or failure to discharge moisture/oil from the tank bottom are observed.
What are the OE reference numbers of this part?
301.02.0002.03 directly replaces Mercedes-Benz OE number 0004303115. It also replaces Volvo OE number 85106906 and WABCO OE number 9324000012.