This kit contains a valve and silencer designed for air brake systems. It is used within the relay valve components of heavy-duty vehicles and trailers to regulate air flow and reduce noise. This Wabco kit, with MPN 300003094, ensures optimal performance and reliability by maintaining OE specifications. This results in consistent braking function and extended component life. This kit basically dampens the noise created when the relay valve vents air. The relay valve controls air to the brakes, and when it quickly releases pressure, it can make a pretty sharp, loud ‘pop’ or ‘snap’. This kit includes a small chamber, often with some baffling inside, that the air passes through before it's released to the atmosphere. It's really about sound reduction, making the system quieter. Some kits also include an upgraded valve cover designed to work with the silencer. It fits onto your relay valve, which is a key part of the air brake system itself. That relay valve is what gets the signal from your foot pedal and sends air to the brake chambers at each wheel. The silencer is an add – on component, doesn’t affect the function of the brakes – just the noise they make. Think of it like a muffler for your air brakes. It’s usually located right where the air lines connect to the relay valve. Honestly, it’s not a safety item. Your brakes will work just fine without it. But that loud popping sound can be really irritating, especially on longer drives. It can also indicate air leaks over time, so quieting it down can help you notice if something else starts to go wrong with your air system. A lot of drivers, and especially trucking companies, use them for comfort and to meet noise regulations. You can find them pretty easily online, and places like Fixparts Online carry a good selection. It’s a relatively inexpensive upgrade that can make a big difference in the overall driving experience. Hassle-free shopping: Valve Silencer Kit (MPN 300003094) includes 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 known for lasting a long time, saving you money on repairs in the long run. • We have a huge selection of parts, covering many different makes and models of vehicles. • Our parts are made to meet or beat the quality of original equipment, so you can trust their performance. • Wabco offers great customer support to help you find the right parts and answer any questions you may have. Wabco delivers excellence, FixParts Online delivers to your door.