The Wabco 9730091404 Valve Seat is a critical component within trailer brake control systems, specifically air brake systems. It ensures a proper seal between the valve and the valve body, maintaining air pressure and enabling effective braking performance. This valve seat measures 10 x 10 x 10 mm and is manufactured to OE specification, guaranteeing reliable function and compatibility. Its precise design contributes to consistent braking force and overall system efficiency, resulting in enhanced safety and reduced maintenance needs. This little piece basically controls the flow of air into and out of the brake chamber on your trailer. It’s where the control valve actually seats – kind of like how a valve in a plumbing system works. It opens and closes, letting air in to apply the brakes and releasing it when you need to stop braking. It’s a simple component, but super critical. Think of it as part of the whole air brake system, working alongside things like the air compressor, brake chambers, and lines. Air pressure builds up, and when you hit the brakes, this valve seat helps the control valve direct that air to push on the brake chamber diaphragms, actually doing the work of stopping the trailer. It’s a key link in the chain. If this valve seat goes bad, you’ll likely have problems with the brakes holding, or even not applying at all. It acts like a shield, making sure the air pressure is controlled properly. You’ll notice if it’s failing because you might get slow response when you press the brake pedal, or the trailer brakes just won’t feel as strong. It's a safety item, honestly. You don’t want to mess around with bad brakes. We carry a good selection of these at Fixparts Online, and getting a new one is a lot cheaper and easier than dealing with brake failure on the road. Durability you can trust: Valve Seat (MPN 9730091404) has 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. Wabco – trusted quality, available at FixParts Online!