Genuine WABCO Trailer ABS Valve 4721950330

Description

Smooth and Safe Braking

The WABCO Trailer ABS Valve 4721950330 controls trailer braking with precision.
It prevents wheel lock-up and helps your trailer stay stable under heavy braking.
This valve delivers the right air pressure to each wheel for smooth stopping.

Your trailer brakes work safer, faster, and more reliably with this OEM valve.

OEM Part You Can Trust

This part is genuine WABCO, not an aftermarket copy.
It is built from premium materials and meets factory standards.
Each valve is tested for pressure, flow, and leak-free performance.

Specifications:

• Part Number: 4721950330

• Brand: WABCO Genuine OEM

• Function: Controls air pressure in ABS trailer braking systems

• Ports: Standard WABCO layout

• Compatibility: 2S/1M and 4S/2M trailer systems

• Tested: 100% leak and pressure tested

This valve fits perfectly and restores proper ABS operation.

Strong and Reliable Design

The WABCO 4721950330 valve is made for tough, long-term use.
Its housing resists rust, corrosion, and vibration.
Sealed internal parts stay protected from dust, water, and road grime.

This design keeps braking consistent in all weather conditions.

Quick and Easy Installation

Installing this valve is fast and simple.

Steps:

1. Park the trailer and release air pressure.

2. Remove the old valve.

3. Mount the new valve on the bracket.

4. Attach air lines and wiring harness.

5. Refill air and test for leaks.

Follow WABCO service instructions for best results.

Compatible With

• WABCO ABS Trailer Systems

• Great Dane, Utility, Wabash, and Hyundai trailers

• Standard 2S/1M and 4S/2M setups

Always check your part number before ordering.

Why Choose TZ Parts

At TZ Parts, we supply genuine OEM and tested replacement parts.
Our WABCO valves meet strict performance standards for safety and durability.
This is a Quality TZ Parts Product, trusted by fleets and professional drivers.

We offer fast delivery and local pickup from two locations.

Shipping and Pickup Locations

We ship nationwide or offer pickup from either warehouse below.

📍 Alsip, Illinois Location
TZ Parts – Truck Zone Parts
Address: 5120 W 125th Pl, Alsip, IL 60803

📍 Fort Myers, Florida Location
TZ Parts – Truck Zone Parts
Address: 17121 Cam Ct, Fort Myers, FL 33967

📞 Call: 239-342-7777
💬 Text: 239-341-7777
📧 Email: info_fl@truckzoneparts.com

Pickup is available Monday through Saturday.

Learn More

Read more about trailer braking systems at the U.S. Department of Transportation (external link, nofollow).
Find more WABCO Parts on TZParts.com.