This little piece basically seals things up. It prevents dirt, water, and grime from getting into your gearbox, and it keeps the gear oil inside where it needs to be. It’s a pretty simple part, really—it’s designed to create a tight seal over an opening, usually where a shaft comes out. Sometimes it also helps keep pressure contained within the gearbox itself. Think of your gearbox as the heart of getting power from the engine to the wheels. That cap is like a skin protecting a vital organ. It’s a small component, but it’s part of a much larger system. Without a good seal, everything starts to break down. It's found directly on the gearbox housing, covering a specific opening. A failing cap leads to gear oil leaks, and that's a big deal. Gear oil is what keeps all those gears inside nicely lubricated. Without enough oil, those gears start grinding against each other, creating wear and tear, and eventually, major damage. You’ll notice if you have a leak, usually as a puddle under your vehicle or a noticeable burning smell. It’s a relatively inexpensive part to replace, and doing it before things get really bad can save you a lot of money and headaches down the road. We actually carry a wide selection of these, you can find them on Fixparts Online if you want to take a look. It’s a maintenance item, something you want to address when you see signs of a problem or during a routine service. Premium parts, premium warranty: Cap (MPN 086301147) is covered for 12 months!

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 reliable performance. • Using genuine Audi parts helps maintain your vehicle’s original quality and resale value. • Audi parts are rigorously tested to meet high safety and performance standards, giving you peace of mind. • We offer a wide range of Audi parts, so you can easily find what you need to keep your car running smoothly. Audi – trusted quality, available at FixParts Online!