It stores electrical energy and then releases it when needed. It smooths out voltage fluctuations, filters noise from the electrical system, and helps with starting, especially when you have a lot of electrical load—things like headlights, the stereo, and the AC all running at once. It's kind of like a small battery, but it charges and discharges much faster and isn't meant for long – term power storage. It’s found within the power distribution unit, which manages how electricity gets sent around the car. It’s typically used to stabilize the voltage going to sensitive components, preventing damage from spikes or drops. Modern cars have a lot more electronic stuff than they used to, so they rely heavily on capacitors to keep everything running smoothly. They’re also key in systems like the engine control unit and even some of the safety features. A failing capacitor can cause a whole range of issues. You might notice dimming headlights, weird behavior with your radio, or even trouble starting the car. Sometimes, it can cause more serious problems with the engine or other electronic systems. It acts like a shield, protecting other parts from bad voltage, so when it goes, those parts are vulnerable. You’ll notice if it's bad, usually through unpredictable electrical behavior. If you're doing a repair on the power distribution unit, replacing the capacitors is a good preventative measure. We carry a good selection of them at Fixparts Online, if you want to take a look. Customer-first approach: Capacitor (MPN 031025021) is backed by 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 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!