Wabco 9518117730 Air Suspension Bellows

Description

This Wabco Air Suspension Bellow is designed for use in truck suspension systems. It provides pneumatic support, enhancing ride quality and vehicle stability. This bellow features a size of 389 x 253 x 253 mm, a stroke of 397.0 mm, and a maximum operating pressure of 7.0 bar. Its OE specification ensures compatibility and performance, while its robust construction and precise engineering contribute to a long service life and consistent operation under demanding conditions. It includes connections of 1x Male M12 x 1.75 and 1x Female M12 x 1.75 and port threads of Male M20 x 1.5 and Female M12 x 1.5. The calculated volume is 24.9 and the diameter is a maximum of 315 mm.

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 9518117730) comes with a 1-year warranty.