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301.02.0121 Air Dryer Valve, Brake System

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301.02.0121 Compatible Air Dryer Valve — DAF

301.02.0121

Summary

This heavy-duty air dryer valve is designed for DAF and VDL heavy commercial vehicles. It features a 24V heater, M22x1.5 and M16x1.5 VOSS ports, and operates at 12.5 BAR to ensure efficient moisture removal and system protection. Equivalent to OE DAF 1527583, VDL 30016600 and WABCO 9324000210.

Product identifiers
EAN Code8683457012585
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Compatible OEM Codes

  • WABCO
    • 932 400 021 0
  • VDL
    • 30016600
  • DAF
    • 1527583

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in the pneumatic braking system of heavy commercial vehicles by managing air quality. It works to separate water vapor, oil droplets, and contaminants from the compressed air discharge, which prevents corrosion and line freeze-up within the pneumatic circuits.

Vehicle compatibility and fitment

Designed for high-performance applications, this component is compatible with DAF and VDL trucks. It maintains optimal pressure regulation at 12.5 BAR, ensuring the air brake system receives clean, dry air for reliable braking performance. Check the compatibility list.

Technical specifications and installation

The unit is engineered with precise port specifications, including M22x1.5 and M16x1.5 VOSS connections, and features a 24V heater to prevent freezing in cold climates. Maintenance technicians should regularly inspect port seals and connections to ensure system integrity.

System maintenance and durability

Proper installation of this valve helps extend the service life of downstream pneumatic components. Selecting high-strength components ensures consistent performance under demanding heavy-duty operating conditions.

OE cross-reference

301.02.0121 (Air Dryer Valve Air Dryer Valves) is the equivalent of the DAF, VDL and WABCO OE numbers. This part directly replaces DAF OE number 1527583. It also replaces VDL OE number 30016600 and WABCO OE number 9324000210.

Technical Specifications

Technical Specifications
Heater24 V
Port 12M12x1,5
Port 21M22x1,5
Pressure12,5 BAR
Port 22M16x1,5 VOSS
Port 11M22x1,5
Port 23-
Port 24M22x1,5 VOSS
Port 4/25M10x1 VOSS

Other OEMs

DAF

  • 1527583

VDL

  • 30016600

WABCO

  • 9324000210
  • 932 400 021 0

Related Products

Repair Kits

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
VDL
WABCO

FAQ

What is the function of this air dryer valve?
The valve removes moisture, oil, and dirt from the compressed air to prevent corrosion and freezing in the vehicle's pneumatic brake system.
What vehicle types is this part compatible with?
This component is designed for heavy commercial vehicles, specifically compatible with DAF and VDL trucks.
Does this unit include a heater?
Yes, this specific model is equipped with a 24V heater to assist in moisture management during cold weather operation.
What are the primary port specifications?
The valve features several connection points including M22x1.5, M16x1.5 VOSS, M10x1 VOSS, and M12x1.5 ports for precise integration.
What are the OE reference numbers of this part?
301.02.0121 directly replaces DAF OE number 1527583. It also replaces VDL OE number 30016600 and WABCO OE number 9324000210.