These are pretty simple parts, honestly. They basically hold things together using tension. Think of it like a really strong, metal clip. They're designed to fit into a groove and keep a component securely in place. Sometimes they're used to retain bearings, seals, or even other rings. You’ll find these in all sorts of places. A really common spot is on axles, holding the axle bearings. Also in transmissions, differentials, and even some steering components. They aren’t always obvious because they’re usually tucked inside something else, doing their job out of sight. They’re a small piece, but they’re involved in keeping things rotating smoothly and safely. Without a good lock ring, things can come loose, and that's obviously a problem. A failing or missing lock ring can lead to vibration, noise, and ultimately, component failure. You’ll notice if one goes bad because you'll likely start hearing clicking or grinding sounds, or the part it’s holding will start to move and potentially cause damage. They act like a shield, keeping everything aligned and preventing parts from drifting or separating. They're inexpensive to replace, and it’s way cheaper to handle it now rather than dealing with the consequences of something breaking down because of a small missing part. We carry a wide range of these, and you can often find exactly what you need on a site like Fixparts Online, just by searching for the specific application. Highly rated and reliable: Lock Ring (MPN 5Q2721431) includes a 12-month warranty!

About Audi

Audi is a premium automotive brand from Germany known for its innovative technology and sophisticated design. Based in Germany, Audi continues to set industry standards for performance and luxury.

Why Choose Audi?

• Audi parts are made specifically for your vehicle, ensuring a perfect fit and optimal performance. • Using genuine Audi parts helps maintain your vehicle's value and original quality. • Audi parts are rigorously tested to meet high safety and durability standards, giving you peace of mind. • You’ll get reliable performance and keep your Audi running like new with parts designed by the original manufacturer. FixParts Online – Your Trusted Source for Quality Audi Auto Parts.