Basically, a U – Bolt clamps everything together. It secures the leaf spring to the axle, holding the whole suspension setup tight. Think of it like a strong hug that keeps everything aligned. It’s a simple design – a U – shaped bolt with threads on either end and usually a plate or nut to tighten it all up. It’s a key part of your carriage spring suspension, found mostly on trucks and older vehicles. It’s what physically connects the leaf springs to the axle, allowing the suspension to move up and down while maintaining stability. It keeps the axle from shifting around and keeps your vehicle from, well, falling apart back there. You’ll find them holding the spring packs together as well, so it’s a multi – tasker. Honestly, if these fail, things can get shaky, fast. You’ll notice if one goes bad because you'll likely hear clunking sounds coming from the rear suspension, especially over bumps. More importantly, it affects your handling and stability, and can be a safety issue. A broken U – Bolt means the spring isn’t properly secured, and that impacts steering and braking. They take a beating, with road salt and constant flexing, so they do eventually wear out. Luckily, they're a relatively inexpensive part to replace, and a pretty common fix. You can find them pretty easily – we carry a good selection at Fixparts Online, or most auto parts stores will have them in stock. Buy risk-free: U-Bolt (MPN 35521) is covered by a 3 year manufacturer guarantee!

About Febi

Ferdinand Bilstein is well known for reliability and is trusted by repair professionals worldwide.

Why Choose Febi?

• Febi parts are made to the same standards as original equipment, so you get reliable quality without the high price. • We offer a huge range of parts – everything from engine components to brake parts and even small wear items – all in one place. • Febi has been around for over 75 years, so we know what mechanics and drivers need to keep vehicles on the road. • You’ll find parts for many different makes and models, including popular European cars, making it easy to find what you need. Performance you can rely on – Febi parts from FixParts Online.