The Wabco PRO6433250 is a Pressure Limiting Valve crucial for maintaining safe and efficient operation within air brake systems. Specifically designed for use in commercial vehicles and heavy-duty applications, this valve regulates air pressure to prevent over-pressurization and potential brake failure. It features M22 x1.5 VOSS ports, a delivery pressure of 3.5±0.3 bar, and is rated for a maximum operating pressure of 20.0 bar with a supply pressure of 10 bar. Its non-adjustable design and AM specification ensure consistent and reliable performance, providing enhanced safety and reducing maintenance requirements for air brake systems. Dimensions are 65 x 100 x 180 mm and 160 x 85 x 52 mm. This valve basically controls the maximum air pressure that goes into your brake system. It takes the higher pressure from your air compressor and reduces it to a safe level for the rest of your components – things like your air bags, actuators, and brake chambers. It’s a pretty simple idea, but really important for keeping everything working correctly. It doesn't make pressure, it just manages it, stepping it down to what the system needs. Think of it as a gatekeeper for your air brake system. It sits between the air compressor and the rest of the braking components. It ensures no single part is over – pressurized. It’s commonly found on trucks and trailers, anything that relies on air brakes to stop safely. Different vehicles might have it located in slightly different spots, usually somewhere along the air lines near the compressor or the first major components. Well, if this valve fails, you could have too much pressure going to parts that aren’t designed for it. That’s a recipe for blown seals, damaged actuators, or even complete brake failure. It acts like a shield, protecting the more sensitive parts of your air system. You’ll notice if it's failing – things like brakes dragging, unusually long stopping distances, or the air compressor running constantly. It's a relatively inexpensive part considering what it protects, and it's one of those things it's best to replace proactively if you suspect trouble. Fixparts Online has a good selection of these if you're looking for a replacement, and they often have diagrams that help you find the correct one for your vehicle. Drivers trust Wabco: Pressure Limiting Valve (MPN PRO6433250) 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 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. FixParts Online – Your Trusted Source for Quality Wabco Auto Parts.