This part basically replaces a traditional steel coil spring in your air suspension system. Instead of a coil pushing up to support the vehicle weight, this uses compressed air inside a flexible, durable air bladder. The steel piston and rod assembly inside adds strength and helps control the movement of the air spring – it keeps things stable and prevents it from bottoming out. It’s a complete assembly, everything you need in one unit. This sits as part of your suspension, usually at each wheel. Its job is to provide a smooth ride by absorbing bumps and keeping the vehicle level. With an air suspension, it’s also adjustable. The system can raise or lower the vehicle for different conditions or for a smoother ride when unloaded. Think of it as a sophisticated replacement for the traditional spring and shock absorber combined. It supports the weight of the vehicle and controls how the wheel moves up and down. It’s important because a failing air spring seriously impacts your ride quality and vehicle handling. You’ll notice if it starts to leak, the vehicle will sit unevenly. If it completely fails, that corner will basically drop to its limit, making it dangerous to drive and potentially damaging other suspension components. It acts like a shield against road imperfections, and when it’s failing, you’ll definitely feel every bump. It's a key piece in maintaining a comfortable and safe driving experience. You can find these online, places like Fixparts Online often have a good selection, but the important thing is getting the right one for your specific vehicle. Shop with confidence: Air Spring with Steel Piston and Piston Rod (MPN 39847) comes with a 3 year manufacturer guarantee!

About Febi

Ferdinand Bilstein is a leading global supplier of aftermarket spare parts, offering an extensive range of high-quality components for passenger and commercial vehicles.

Why Choose Febi?

• Febi parts are made to the same standards as original equipment, so you know they'll fit and work well. • We offer a really wide range of parts – everything from engine components to wear and tear items – so you can find almost anything you need in one place. • Febi has been around for over 75 years, so we have a lot of experience and a reputation for quality. • Our prices are competitive, giving you great value for reliable parts. Febi – trusted quality, available at FixParts Online!