4477-303-004 ZF Differential Case

This is basically the housing for all the gears inside your differential. Think of it as the strong shell that holds everything together – the spider gears, the side gears, the whole works. It’s a pretty robust piece, made to withstand a lot of stress. It provides the structural support for those gears and keeps the lubrication contained. It also has mounting points to bolt the whole differential assembly to the vehicle. The differential case is a key part of the drivetrain. Its job is to let the wheels on either side of your car turn at different speeds when you’re going around a corner. Without it, a wheel would have to slip or scrub, making turning really difficult and damaging tires. It's the housing that allows that to happen smoothly, distributing power to each wheel independently. It connects directly to the axles, so it’s right in the power flow. If the case itself cracks or gets damaged, it’s a big problem. You’ll usually hear a lot of whining or clunking noises coming from the rear end, especially during turns. Often, you’ll notice if it’s leaking gear oil because the case is supposed to seal everything in. A failing case can quickly lead to complete differential failure, meaning you won't be able to move the vehicle. It acts like a shield for all those delicate gears inside. Replacing it isn’t always the cheapest fix, but it’s definitely important to keep your vehicle running safely and efficiently. You can find a good selection of these, and other parts, over at Fixparts Online, if you're looking. It’s one of those things that, when it goes, it really goes. Expert assistance included: Differential Case (MPN 4477303004) has a 12-month warranty!

About ZF

ZF is a global leader in driveline, chassis, and safety technologies, renowned for its innovative engineering solutions. Based in Germany, ZF continuously enhances vehicle dynamics and efficiency with state-of-the-art technology.

Why Choose ZF?

• ZF parts are known for lasting a long time and working reliably, so you won’t have to replace them often. • We make parts for many different kinds of cars and trucks, so there’s a good chance we have what you need. • ZF is a leading company in vehicle technology – we’re constantly innovating to make better parts. • Our parts are designed to help your vehicle run smoothly and safely, giving you peace of mind on the road. Drive with confidence – choose ZF parts at FixParts Online.