Wabco 4154031260 Air Supply Unit

Description

The Wabco 4154031260 Air Supply Unit is a critical component of the air suspension system, primarily used in cars of the 2nd Generation. This unit provides a reliable source of compressed air to inflate and maintain the air springs, ensuring a comfortable ride and optimal vehicle handling. The unit features a calculated volume of 40.5871, operates at a maximum pressure of 13.2 bar, and functions with an operating pressure of 16.0 bar. It incorporates ports with threads of Ø 11.5 mm and Voss 203-B Ø 4.0 mm. Designed to OE specification, this IP 68-rated device offers robust protection against dust and water ingress, and functions reliably within a temperature range of -40°C to +80°C. It operates on 12V, drawing 28A, with the compressor itself drawing 35A and the solenoid valve drawing 0.80A. Dimensions are 405 x 655 x 153 mm.

Key Features & Benefits

This thing basically creates the compressed air that feeds your air suspension system. It pumps air into the air springs – those big rubber bladders under your car – to keep everything level and give you a smooth ride. It also manages the air pressure, raising and lowering the suspension as needed, and it can even handle things like leveling the vehicle when you have a heavy load in the back. Some systems use it to help with things like load height control. It's a key part of your air suspension, working alongside the air springs, height sensors, and the control module. Think of it as the heart of the system – if it’s not pumping air properly, nothing else will work right. It's usually located somewhere under the vehicle, often near the spare tire or underneath the body, and has both electrical connections and air lines running to it.

Symptoms, Risks & Replacements

Well, if it fails, you’ll notice if your car starts to sag, especially in the rear. The ride will become seriously bumpy and uncomfortable. You might get warning lights on the dash about your suspension. In some cases, the car might even drop completely to its lowest setting, making it undrivable. It’s responsible for keeping your car riding comfortably and safely. A failing unit puts stress on other parts of your suspension, too, so it's best to address it sooner rather than later. You can find replacements pretty easily, places like Fixparts Online usually have a good selection, but getting the right one for your specific model is important.

Warranty Information

Wabco Air Supply Unit (MPN 4154031260) comes with a 1-year warranty.