Wabco 4324100420 Single Chamber Air Dryer

Description

The Wabco 4324100420 Single Chamber Air Dryer is a critical component in heavy-duty vehicle air brake systems. It functions to remove moisture and contaminants from the compressed air supply, ensuring reliable and safe braking performance. This air dryer is designed for use in a variety of commercial vehicles and is an OE specification part. Its single chamber design efficiently processes air, maintaining optimal brake system functionality across a broad temperature range of -40°C to +65°C and operational range of 0.7+0.5 bar, while withstanding a maximum operating pressure of 13.0 bar. The unit features M22 x 1.5 JED-388, M16 x 1.5 JED - 388, and M16 x 1.5 port threads, and is compatible with Kostal M27 x 1 heating connections. Its dimensions are 154 x 189 x 257 mm.

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 4324100420) comes with a 1-year warranty.