Wabco 4324101820 Air Dryer

Description

The Wabco 4324101820 Air Dryer is a crucial component in heavy-duty air brake systems, responsible for removing moisture and contaminants from compressed air before it reaches the brake chambers. This unit is commonly used in commercial vehicles, buses, and trucks to ensure consistent and reliable braking performance. Measuring 299 x 145 x 194 mm, this device utilizes a desiccant cartridge and compressed air cooling to maintain optimal air quality. It features a cut-out pressure of 12.5±0.2 bar and a maximum operating pressure of 13.0 bar, contributing to enhanced system efficiency and durability. The Air Dryer's design ensures a consistent supply of dry, clean air, which minimizes corrosion, extends the lifespan of brake system components, and ultimately improves overall vehicle safety.

Key Features & Benefits

This thing basically cleans up the compressed air that goes into your vehicle's air brake system. Air gets pulled in from outside, and naturally, it has moisture, oil mist, and other contaminants in it. The air dryer filters all that stuff out and dries the air before it gets to your brake components. It does this using a desiccant, which is a material that sucks up the moisture like a sponge. It also has a filter element that catches the oil and larger particles. It’s a key part of your entire air brake system. The compressor makes the air, the air dryer cleans and dries it, and then that clean, dry air is stored in the reservoirs. From there, it’s used to apply your brakes, and control other air – powered systems on the vehicle. Think of it as a crucial step in preparing the air before it gets where it needs to go – it doesn't make the air work, but it makes sure the air can work properly.

Symptoms, Risks & Replacements

Moisture in the air brake system is a big problem. It can corrode lines and valves, and in freezing temperatures, it can actually freeze up and block the whole system. That’s obviously a safety issue. Beyond that, oil and contaminants can damage the seals and components, leading to leaks and reduced brake performance. You’ll notice if it's failing if your brakes feel spongy or if your air pressure builds slowly. A good air dryer keeps everything running smoothly, helps prevent costly repairs, and most importantly, keeps you safe on the road. You can find a replacement for many makes and models over at Fixparts Online, or we can check our stock here as well. It’s a relatively inexpensive part considering how much it protects the rest of your air brake system.

Warranty Information

Wabco Air Dryer (MPN 4324101820) comes with a 1-year warranty.