The Wabco 4721950390 ABS Modulator Valve is a critical component within an automotive Anti-lock Braking System (ABS). It's used in the hydraulic unit to regulate brake pressure during ABS events, preventing wheel lockup and maintaining vehicle control during braking. This device features a 24V operation, a maximum operating pressure of 13.0 bar, and is designed to OE specification for reliable performance. With dimensions of 60 x 106 x 117 mm, and featuring M22 x 1.5 port threads, this modulator valve ensures precise and consistent brake modulation, enhancing both safety and stability. It boasts protection against dust and water with an IP 6K6K / IP 6K9K rating, and utilizes a TYCO HDSCS 3x 2.8 CODING A electrical connection. This valve is basically the heart of your anti – lock braking system. It controls the brake pressure to each wheel individually. It rapidly opens and closes, increasing or decreasing pressure as needed, allowing your wheels to keep turning even during hard braking. It works with the wheel speed sensors and the ABS control module to make all this happen. It’s a pretty complex piece, with a bunch of valves inside all working together. Think of it as the traffic cop for your brake fluid. Your master cylinder sends fluid to this modulator, and it decides how much goes to each wheel. It gets signals from your car's computer telling it what's happening with each wheel's speed. If it detects a wheel starting to lock up during braking, the modulator quickly adjusts the pressure to that wheel, letting it keep spinning. It’s all about preventing skids and helping you maintain steering control. Well, without it, you lose the anti – lock braking function altogether. Your brakes will still work, but you won’t have that extra layer of safety. It acts like a shield against losing control during a panic stop or on slippery surfaces. You’ll notice if this thing goes bad because the ABS light on your dashboard will illuminate. Sometimes you’ll feel a pulsing sensation in the brake pedal when you brake, and that might disappear, or you might have trouble stopping smoothly. It’s a safety item, so definitely something you want to address if you suspect an issue. You can often find a replacement at places like Fixparts Online, but getting it diagnosed properly first is always the best approach. Why settle for less? ABS Modulator Valve (MPN 4721950390) comes with a 12-month warranty!

About Wabco

WABCO is a global innovator in braking, stability, and suspension systems for commercial vehicles, enhancing safety and efficiency.

Why Choose Wabco?

• Wabco parts are built to last, meaning fewer repairs and more time on the road. • We offer a wide range of parts for many different vehicles – chances are we have what you need. • Our parts meet or exceed industry standards, giving you reliable performance you can trust. • Wabco has a long history of serving professionals and DIYers alike with quality auto parts and excellent customer support. Drive with confidence – choose Wabco parts at FixParts Online.