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303.14.0012 WABCO Compatible ABS Solenoid Modulator Valve

303.14.0012

Summary

This ABS solenoid modulator valve is designed for heavy commercial vehicle brake systems. It features 1/2-14 NPTF ports, a maximum pressure rating of 11 Bar, and a 12V DC electrical connection (ED 5% / 5min <2.22 A). Compatible with WABCO systems to ensure precise pressure modulation. Equivalent to OE WABCO 4721950520.

Product identifiers
EAN Code8683457047631
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Compatible OEM Codes

  • WABCO
    • 472 195 052 0

Description

What does an ABS solenoid modulator valve do?

This ABS solenoid modulator valve plays a critical role in the anti-lock braking system by modulating brake pressure to prevent wheel lock-up during deceleration. It operates as an electromagnetic solenoid valve that responds to signals from the ABS electronic control unit, ensuring stable braking performance under heavy-duty conditions.

Vehicle and system compatibility

This component is compatible with WABCO systems and is suitable for use in heavy commercial vehicles including trucks, buses, and tractors. It is designed to integrate seamlessly into the existing pneumatic brake circuit to maintain optimal vehicle stability.

Technical specifications and installation

The unit features 1/2-14 NPTF port sizes and is engineered for high-strength performance with a maximum operating pressure of 11 Bar. The electrical configuration utilizes a 12V DC connection (ED 5% / 5min <2.22 A) with a Bayonet Dın 72585-A1-3.1-Sn/K1 interface to ensure reliable signal reception from the ECU.

Maintenance and troubleshooting

Technicians should inspect the solenoid and electrical connections during routine brake system maintenance to prevent pressure modulation errors. Proper installation ensures that the braking force remains consistent across all wheels even during emergency maneuvers. Consult your authorized distributor.

OE cross-reference

303.14.0012 (ABS Solenoid Modulator Valve) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 4721950520.

Technical Specifications

Technical Specifications
Port 11/2-14 NPTF
Port 21/2-14 NPTF
PressureMax.11 Bar
Electrical Connection12V DC ED 5% / 5min <2.22 A Bayonet:Dın 72585-A1-3.1-Sn/K1

Other OEMs

WABCO

  • 4721950520
  • 472 195 052 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
WABCO

FAQ

What is the function of this ABS solenoid modulator valve?
It acts as an electromagnetic relay that modulates brake pressure based on ECU signals to prevent wheel lock-up during heavy braking.
What are the electrical requirements for this valve?
This valve operates on a 12V DC connection with an ED rating of 5% / 5min at less than 2.22 A using a Bayonet Dın 72585-A1-3.1-Sn/K1 connector.
What are the port specifications for this component?
The unit is equipped with two 1/2-14 NPTF ports and is rated for a maximum operating pressure of 11 Bar.
Is this part compatible with WABCO systems?
Yes, this component is designed to be compatible with WABCO systems in heavy commercial vehicle braking applications.
What are the OE reference numbers of this part?
303.14.0012 directly replaces WABCO OE number 4721950520.