Wabco 4728909292 Valve Solenoid Kit

Description

This Wabco Valve Solenoid Kit (MPN: 4728909292) is a critical component within air brake systems, specifically designed for air valves. It facilitates the controlled release of compressed air, enabling efficient and reliable braking performance in commercial vehicles. Measuring 155 x 65 x 95 mm, this repair kit ensures OE specification performance, contributing to system longevity and reduced downtime by restoring proper valve function.

Key Features & Benefits

This kit basically controls the flow of compressed air within your air brake system. It’s an electromagnetic valve – meaning it uses electricity to open and close, letting air through or blocking it. The kit usually includes the solenoid itself, a new valve body, and the necessary seals and gaskets to make sure everything’s airtight. Sometimes it’ll even have the electrical connector if yours is likely corroded. Think of it as a gatekeeper for your air brakes. When you press the brake pedal, the system sends an electrical signal to the solenoid. That signal energizes the solenoid, which then opens the valve and allows compressed air to flow to the brake chambers – that’s what actually pushes the brakes on. It handles things like trailer supply, spring brakes, and even parking brake releases, depending on which solenoid you're replacing. It’s a key component in getting stopping power to your wheels.

Symptoms, Risks & Replacements

Without a functioning solenoid, your brakes just won’t work reliably – or at all. A failing solenoid might cause slow response, inconsistent braking, or even a complete loss of brake function. It’s a safety thing, plain and simple. You’ll notice if it's starting to go bad because your brakes might drag, or you’ll have trouble releasing spring brakes. Sometimes you’ll hear a hissing sound from a leak. These kits are relatively inexpensive for the peace of mind they give you. You can find a good selection of them at places like Fixparts Online, and it’s a job most experienced DIY folks can handle, but if you’re unsure, definitely get it checked by a pro. Replacing it proactively is always better than waiting for a complete failure on the road.

Warranty Information

Wabco Valve Solenoid Kit (MPN 4728909292) comes with a 1-year warranty.