This sleeve basically protects the air spring itself – that’s the rubber bladder that actually holds the air and supports the weight of your vehicle. It’s a durable cover that goes over the air spring. It shields it from things like road debris, salt, water, and general wear and tear. It also helps distribute the load evenly, preventing stress cracks. Think of your air springs as the main support for smoothing out the ride and keeping everything level, especially with heavier loads. The sleeve isn’t doing the supporting itself, it’s acting like a shield for that spring. It’s a crucial part of the whole air suspension system, ensuring it works properly and lasts as long as it should. It works with the air spring, compressor, and other components to give you a comfortable and stable ride. If this sleeve fails, the air spring is directly exposed. That means it can get damaged much faster. You’ll notice if it's torn or missing because you’ll likely start having issues with your ride height, the suspension will feel rougher, and eventually, the air spring itself will leak or fail. Replacing just the sleeve is a lot cheaper than replacing the entire air spring and related components. You can find these sleeves easily enough – we carry a good selection at Fixparts Online, and other auto parts retailers do too. It's a relatively straightforward repair, and keeping this sleeve in good shape can save you money down the road. Shop with confidence: Air Spring Sleeve (MPN 40399) 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 get reliable quality. • We offer a huge range of parts – from engine components to wear-and-tear items – covering many vehicle makes and models. • Febi has been a trusted name in the automotive industry for over 70 years, so you’re choosing a brand with a long history of performance. • You get a great balance of quality and price, meaning you don’t have to break the bank to keep your vehicle running smoothly. Febi delivers excellence, FixParts Online delivers to your door.