Wabco 9518110120 Air Suspension Bellows

Description

This Wabco Air Suspension Bellow is a critical component in truck suspension systems, providing air spring support to enhance ride quality and vehicle stability. It's designed for use in heavy-duty truck applications where a comfortable and controlled ride is essential. The bellow features a robust construction meeting OE specifications, offering reliable performance and extended service life. With dimensions of 330 x 238 x 236 mm and a stroke of 161.0 mm, this bellow provides a substantial air volume of 18.5354 liters. It operates effectively within a temperature range of -40°C to +70°C and is rated for a maximum operating pressure of 7.0 bar. This air suspension bellow utilizes a 2x Ø 12.0 mm / 1x Ø 12 mm mounting configuration and a female M14 x 1.5 port thread.

Key Features & Benefits

These are basically heavy – duty, flexible containers. They fill with compressed air and that’s what actually supports the weight of your vehicle instead of a traditional steel spring. They can inflate and deflate, adjusting the ride height and stiffness. They work with the air suspension system – there’s a compressor, sensors, and a computer controlling everything. Think of it like this: a regular spring is a fixed amount of support. These bellows act like a variable spring. They level the vehicle automatically, even with a heavy load in the back, or uneven weight distribution. Some cars use them to adjust ride height for better aerodynamics at speed or to raise the vehicle for extra ground clearance. They’re especially common on luxury cars, SUVs, and trucks where ride comfort and load – leveling are important.

Symptoms, Risks & Replacements

Well, if one of these fails, you’ll notice it pretty quickly. The car will likely sit unevenly, and the ride will be…rough, to say the least. It can even make the vehicle unsafe to drive. Also, since it’s part of a system, a failing bellows can put extra strain on the compressor and other components, potentially leading to more expensive repairs down the line. We carry a good selection of these, and you can find a lot of options on Fixparts Online if you want to browse. Getting a good quality replacement is key to restoring your vehicle's handling and comfort.

Warranty Information

Wabco Air Suspension Bellows (MPN 9518110120) comes with a 1-year warranty.