Basically, it's what the key goes into. Inside, you've got pins and wafers – little metal bits that line up when the right key is inserted, allowing the cylinder to turn. It converts that turning motion into the action of unlocking or locking something. It’s a pretty simple idea, mechanically, but it needs to be precise. It's absolutely fundamental to security. Think of it as the first line of defense against someone getting into your car. It works with the rest of the lock assembly—the rods, latches, and so on—to physically secure things. It’s the thing that makes the locking system work. Without a functioning cylinder, you're stuck, literally. Well, if it’s failing, you’ll notice if your key is hard to turn, gets stuck, or doesn’t work at all. A worn or damaged cylinder is a security risk. Someone could potentially get into your vehicle, or you might find yourself stranded. Plus, a malfunctioning cylinder can cause all sorts of electrical issues if it’s related to the ignition. You can find replacements pretty easily – Fixparts Online has a good selection, and getting it sorted out sooner rather than later is always a good idea. It’s not something you want to put off, especially if it affects your ability to get into the vehicle. Designed for durability: Cylinder (MPN 107837217EA) includes a 12-month warranty!

About Audi

Audi is a leading German automaker celebrated for crafting high-performance, luxury vehicles that combine advanced technology, elegant design, and exceptional driving experiences.

Why Choose Audi?

• Audi parts are specifically designed for your vehicle, ensuring a perfect fit and optimal performance. • Using genuine Audi parts helps maintain your car’s value and original quality. • Audi parts are rigorously tested to meet high safety and durability standards, giving you peace of mind. • We offer a wide selection of parts and accessories, so you can find exactly what you need to keep your Audi running smoothly. Drive with confidence – choose Audi parts at FixParts Online.