WABCO 4721950790: ABS Solenoid Modulator Valve for Commercial Vehicles

Reliable braking performance is essential for heavy-duty trucks and commercial vehicles. A properly functioning Anti-lock Braking System (ABS) helps prevent wheel lock-up during braking and supports vehicle control in demanding driving conditions.

The WABCO 4721950790 ABS Solenoid Modulator Valve is a premium original-quality component designed for compatible commercial vehicle braking systems. It regulates pneumatic brake pressure in response to electronic control signals, helping the ABS system respond to changing road conditions.

For fleet operators, transport companies and professional repair workshops, selecting the correct WABCO spare part is crucial for maintaining braking performance, reducing unnecessary repair costs and minimising vehicle downtime. 

What Is the WABCO 4721950790?

The WABCO 4721950790 is an ABS solenoid modulator valve used in compatible pneumatic braking systems. The valve receives electrical commands from the braking control system and adjusts air pressure when ABS intervention is required.

By controlling brake pressure, the modulator helps reduce the risk of wheel lock-up and supports stable braking. Its design combines an electrical bayonet connection with pneumatic ports for integration into the appropriate braking system.

The component is listed by WABCO as a premium original-quality product manufactured to original equipment specifications. Correct application and compatibility should always be verified before ordering.

Technical Specifications of WABCO 4721950790

The manufacturer’s catalogue lists the following technical specifications.

These specifications are useful when identifying the correct replacement part. Always compare the original component’s reference, electrical connection and pneumatic configuration before purchasing.

Key Benefits of the WABCO ABS Modulator Valve

1. Supports reliable ABS braking

The valve adjusts pneumatic brake pressure when commanded by the ABS control system. This helps prevent wheel lock-up and supports vehicle control during hard braking.

2. Designed for demanding conditions

With a specified operating temperature range of -40°C to +80°C and IP66/IP69K protection ratings, the component is designed to withstand challenging operating environments when correctly installed.

3. Original equipment specifications

The WABCO 4721950790 is listed as a premium original-quality component. Selecting the correct specification helps maintain compatibility with the intended braking system.

4. Compact and practical design

Its compact dimensions, bayonet-style electrical connection and defined pneumatic interfaces support installation in compatible applications.

Actual braking performance depends on the complete braking system, correct installation, maintenance and the condition of related components.

Vehicle Compatibility and Replacement References

The WABCO catalogue lists the following related manufacturer references for the 4721950790:

These references can help identify the correct component, but they should not replace a vehicle-specific compatibility check.

Before placing an order, verify the original part number, vehicle model, voltage, connector type and pneumatic port configuration.

Because the modulator is part of a safety-critical braking system, installation and functional testing should be performed by a qualified technician.

Where to Buy WABCO 4721950790?

Finding the right commercial vehicle spare part starts with accurate product identification and a reliable supplier.

Visit our online store to explore the available WABCO spare parts:

Explore WABCO Spare Parts at PartsWABCO

Please note that this link leads to the gearbox actuator category, rather than a dedicated ABS valve product page. If a specific page for WABCO 4721950790 is available, linking directly to it would provide a better shopping experience.

Before ordering, confirm availability and compatibility with your vehicle’s braking system.

Conclusion

The WABCO 4721950790 ABS Solenoid Modulator Valve is a premium original-quality component designed for compatible commercial vehicle braking systems. Its 12 V electrical specification, pneumatic pressure control functions and robust environmental protection make it an important component to identify correctly during maintenance and replacement.

For fleet managers, transport operators and repair workshops, choosing the appropriate WABCO part helps support dependable maintenance and effective braking system operation.

Always verify the part number and technical requirements before purchasing to ensure the replacement matches your application.

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