The Wabco 4721950550 Solenoid Modulator Valve is a critical component within an ABS hydraulic unit, functioning to precisely control brake pressure during anti-lock braking events. This valve is essential for maintaining vehicle stability and ensuring optimal braking performance in diverse driving conditions. Measuring 101 x 57 x 116 mm, this device offers robust and reliable operation thanks to its IP 69K protection class and operating temperature range of -40°C to +80°C. Its design, adhering to OE specifications, ensures seamless integration and compatibility while providing precise control and enhancing overall brake system efficiency. This valve basically controls the flow of brake fluid within your ABS hydraulic unit. It doesn’t make the pressure, but it directs it. Think of it like a set of rapidly opening and closing gates inside the ABS system. It gets signals from your vehicle’s computer, and based on those signals, it opens or closes to allow or restrict fluid flow to each brake caliper. It’s doing this multiple times a second when your ABS is actively working, or even monitoring things in the background when it isn’t. It's a key component of your anti – lock braking system – ABS. When you slam on the brakes, especially on a slippery surface, the ABS kicks in to prevent your wheels from locking up. This valve is what makes that happen. It rapidly adjusts the brake pressure to each wheel, allowing you to maintain steering control while stopping. It works in concert with the wheel speed sensors and the ABS control module. It’s all connected, but this valve is the muscle doing the fluid control. Well, if this valve fails, your ABS won’t work right. You might get a warning light on your dash, but not always. More likely, the ABS system will either become disabled entirely, or it will function erratically. That means in a hard braking situation, you could lose steering control. It acts like a shield, preventing lockup, so if it’s gone, you’re back to relying on your reflexes alone. You’ll notice if it’s bad usually during hard braking – maybe you'll feel pulsing in the brake pedal that’s more intense than usual, or a complete loss of ABS function. You can find these parts, and a lot of others, over at Fixparts Online, but getting the right one is important. They're usually pretty reliable, but like anything, they can wear out over time, especially with road salt and general use. Competitive edge: Solenoid Modulator Valve (MPN 4721950550) comes with a 12-month warranty!

About Wabco

WABCO specializes in air braking systems, EBS, ABS, ADAS, and trailer control systems.

Why Choose Wabco?

• Wabco parts are known for lasting a long time, saving you money on repairs in the long run. • We have a huge selection of parts, so you’re likely to find exactly what you need for your vehicle. • Our parts meet or exceed industry standards, giving you peace of mind on the road. • Wabco has been a trusted name in auto parts for decades, with a reputation for quality and reliability. Drive with confidence – choose Wabco parts at FixParts Online.