Wabco 4110345002 Leaf Valve

Description

The Wabco 4110345002 Leaf Type Valve is a critical component within air brake systems, specifically functioning as part of the air compressor unit. This valve regulates airflow, ensuring efficient brake operation in commercial vehicles and heavy machinery. Measuring 40 x 146 x 171 mm, this OE specification component is designed for durability and precise control, contributing to improved braking performance and system reliability.

Key Features & Benefits

Basically, a leaf valve is a one – way check valve for your air brake system. It lets air from the air compressor move forward into the system, building up pressure, but it completely blocks air from flowing backwards toward the compressor. It's pretty simple mechanically, just a little flap inside, but it's a crucial piece. It also usually has a drain function to let moisture escape – air compressors make water as a byproduct, and that needs to get out to keep things working properly. Think of it as being right after your air compressor. The compressor is pumping air, trying to fill up your reservoirs, and the leaf valve is the first thing the air hits. It ensures that air gets where it needs to go, building the pressure you need to activate your brakes, and keeps the system from losing pressure when the compressor isn’t actively running. It's a direct line between the compressor and the rest of the air system.

Symptoms, Risks & Replacements

Without a good leaf valve, you’re gonna have problems. If it fails closed, air can’t get out of the compressor, which can damage it. If it fails open, all the air you compress just leaks right back in, and you won’t build up enough pressure to safely use your brakes. You’ll notice if it's bad – your brakes will be slow to respond, you might have warning lights coming on, and the compressor will be working way harder than it should. It's a relatively inexpensive part, honestly, and something you really want working right for safety’s sake. You can find replacements pretty easily, Fixparts Online usually has a good selection of them, but it’s definitely something to address if you suspect it’s failing.

Warranty Information

Wabco Leaf Valve (MPN 4110345002) comes with a 1-year warranty.