Wabco 4324320070 Double Chamber Air Dryer

Description

The Wabco 4324320070 Double Chamber Air Dryer is a critical component in heavy-duty vehicle air brake systems, responsible for compressing and purifying air before it reaches the brake chambers. It's commonly used in trucks, buses, and trailers to ensure consistent and reliable braking performance. This double chamber design enhances moisture removal, extending service intervals and improving overall system efficiency. Its dimensions are 375 x 286 x 384 mm. Key features include a desiccant cartridge, cut-out pressure of 11 bar, and operation within a temperature range of -40°C to +65°C. The unit has M22 x 1.5 port threads for connections and a 24V solenoid connection. This air dryer provides exceptional filtration and consistent air delivery, ensuring safe and dependable braking, even in demanding conditions.

Key Features & Benefits

This thing basically cleans up the compressed air that feeds your air brakes. Think of it like a filter, but for air instead of oil. It removes water, oil mist, and other nasty stuff that gets into the air system from the compressor. That double chamber design just means it has two stages of filtering for even better cleaning. First stage knocks out the bulk of the water and larger particles, then the second stage gets the finer stuff. It also stores a little bit of air to help with quick brake applications. It sits in the air line between your air compressor and your air tanks. The compressor makes the air, but it’s not clean. This dryer is the first thing that air hits, cleaning it before it gets stored. From those tanks, the clean, dry air goes to your brake chambers, activating your brakes. It's a critical part of the whole air brake system.

Symptoms, Risks & Replacements

Water and oil in the air lines can cause a lot of problems. In the winter, that water can freeze, blocking lines or damaging seals. Even in warmer weather, it can cause corrosion and wear down components. Basically, it can lead to brake failure. The air dryer keeps things working smoothly and reliably. You’ll notice if it goes bad – you might get a constant hiss of air as it leaks, or the brakes might feel spongy or slow to respond. It’s a preventative part, meaning it’s best to replace it before it completely fails, instead of waiting for a problem. You can find a good selection of these, including double chamber ones, over at Fixparts Online if you're looking to order. It’s a relatively straightforward replacement for most folks familiar with basic brake work.

Warranty Information

Wabco Double Chamber Air Dryer (MPN 4324320070) comes with a 1-year warranty.