Wabco 9617027744 Valve Stem

Description

The Wabco 9617027744 Valve Stem is a critical component within air brake systems, responsible for controlling the flow of compressed air to the brake actuators. It is primarily used in heavy-duty vehicles and trailers to ensure reliable and responsive braking performance. This valve stem is manufactured to OE specification, providing a precise fit and function for optimal system efficiency and longevity. Its dimensions are 27 x 62 x 45 mm, contributing to its compact integration within the air valve assembly.

Key Features & Benefits

These little guys basically control the flow of air into and out of your air brakes. They open and close to allow air to fill the brake chambers, which is what actually applies the brakes, and then release the pressure when you let off the pedal. There’s different types, some are simple in/out, others can regulate pressure, and some even have quick release features to speed things up. They’re a key part of managing that air pressure, which is the whole system’s lifeblood. Think of it like this: your air compressor makes the air, the lines are the veins carrying it around, and the valve stems are like the heart valves. They direct the airflow where it needs to go, when it needs to go there. It’s all about precise control. Without properly functioning valve stems, you can have issues with the brakes engaging or disengaging when they shouldn't, or not holding pressure properly. They connect directly to the air brake chambers, and also to the supply lines and control mechanisms.

Symptoms, Risks & Replacements

They’re incredibly important for safety, plain and simple. If a valve stem fails, you can lose braking ability on that wheel or even the entire system. You’ll notice if one starts to go bad usually; things like slow response, brakes dragging, or even the air pressure dropping faster than it should are all signs. It's a relatively small part, but a failure can be a big deal. You can find a good selection of these over at Fixparts Online if you’re looking to replace one, and they have diagrams that can help you identify the correct type for your setup. Don't mess around with brakes; always get the right part and if you're not comfortable doing the work yourself, have a qualified mechanic handle it.

Warranty Information

Wabco Valve Stem (MPN 9617027744) comes with a 1-year warranty.