Wabco 4324210090 Single Chamber Air Dryer

Description

The Wabco 4324210090 Single Chamber Air Dryer is a critical component in heavy-duty vehicle air brake systems, responsible for removing moisture and contaminants from the compressed air supply. This ensures consistent and reliable braking performance, enhancing safety and extending the life of the air brake system. It’s designed for use in trucks, buses, and other commercial vehicles. With dimensions of 149 x 146 x 286 mm, this device maintains a calculated volume of 6.2216 and operates within a temperature range of -40°C to +65°C. The air dryer features a desiccant cartridge, operates with a cut-out pressure of 7.9 to 9 bar, and a maximum operating pressure of 13.0 bar, providing consistent air quality for optimal brake function.

Key Features & Benefits

This thing basically cleans and dries the compressed air that runs your air brakes. Think of it like a filter and a moisture remover combined. Air gets pulled in, any water and oil gets separated out – it usually has a reservoir at the bottom to collect that stuff – and then clean, dry air is sent to your air tanks. It does this using a desiccant, which is a material that soaks up the moisture. Single chamber means all that happens in one main section inside the unit, it’s a pretty streamlined design. It’s a key part of your air brake system. Your air compressor makes the air, but that air isn’t usable for the brakes until it’s clean and dry. The air dryer sits between the compressor and the air tanks, prepping the air before it gets to everything that needs it – the brakes themselves, the ABS, the lift axles, whatever relies on compressed air. It's generally mounted pretty close to the air compressor.

Symptoms, Risks & Replacements

Well, moisture in your air lines is a real problem. It can freeze up in cold weather, blocking the lines and leaving you with no brakes. Even if it doesn’t freeze, it causes corrosion inside the system – lines, valves, the compressor itself. That corrosion builds up, causes leaks, and eventually leads to failures. A working air dryer prevents all that. You’ll notice if yours is going bad because you might get a buildup of water draining out, or your brakes might feel spongy. It’s a preventative maintenance item, and a relatively inexpensive one considering what it protects. You can find a good selection of these at places like Fixparts Online, and honestly, replacing it before it causes bigger problems will save you a lot of headaches down the road.

Warranty Information

Wabco Single Chamber Air Dryer (MPN 4324210090) comes with a 1-year warranty.