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303.14.0039 WABCO Compatible ABS Solenoid Modulator Valve

303.14.0039

Summary

This ABS solenoid modulator valve is designed for heavy commercial vehicle brake systems. It functions as an electromagnetic relay to modulate brake pressure, ensuring stability for trucks and buses. Compatible with WABCO systems and various heavy-duty applications. Equivalent to OE WABCO 4721950780.

Product identifiers
EAN Code8683457065680
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Compatible OEM Codes

  • WABCO
    • 472 195 078 0

Description

This ABS solenoid modulator valve plays a critical role in the anti-lock braking system of heavy commercial vehicles. By receiving signals from the ABS electronic control unit and wheel speed sensors, the electromagnetic solenoid modulates brake pressure to prevent wheel lock-up during deceleration. This ensures maintained steering control and stability in demanding driving conditions.

This component is engineered to be compatible with WABCO systems and is also fitted to Mercedes-Benz, MAN, Scania, Volvo, DAF, Iveco, Renault, BMC, and Ford trucks. It serves as a reliable replacement for original braking components in heavy-duty tractors, buses, and commercial vehicles.

For optimal performance, technicians should inspect the solenoid electrical connections and mounting integrity during every brake system service. Ensuring that the valve is free from debris and correctly seated within the pneumatic circuit is essential for accurate pressure modulation during emergency braking events.

Consult your authorized distributor to ensure correct fitment for your specific vehicle application.

OE cross-reference

303.14.0039 (ABS Solenoid Modulator Valve) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 4721950780.

Other OEMs

WABCO

  • 4721950780
  • 472 195 078 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
WABCO

FAQ

What is the main function of an ABS solenoid modulator valve?
It acts as an electromagnetic relay that modulates brake pressure based on signals from the ECU to prevent wheels from locking up during braking.
Is an ABS solenoid modulator valve the same as an ABS relay valve?
Yes, in heavy-duty braking systems, these terms refer to the same component used to modulate pressure in response to ECU commands.
Which vehicle types use these modulator valves?
These valves are essential components in the braking systems of heavy commercial vehicles including trucks, buses, tractors, and trailers.
How can I know if my ABS modulator needs replacement?
Technicians should look for symptoms such as irregular braking pulses or ABS warning lights, which may indicate a failure in pressure modulation.
What are the OE reference numbers of this part?
303.14.0039 directly replaces WABCO OE number 4721950780.