This foam generally acts as a sound deadener and a vibration damper. It’s not a solid, structural part, more like a filler or cushioning material. Sometimes it’s used for thermal insulation too, keeping heat or cold from getting into the cabin. You’ll find it in door panels, under the carpet, in the hood, and in other spots where noise or vibration travels easily. It can also act like a shield against moisture in some areas. Think of it as a comfort and refinement component. It doesn't make the car go, but it makes the ride much nicer. It’s positioned strategically to absorb energy that would otherwise turn into rattles, road noise, or heat. It fills gaps and prevents things from rubbing together, which is where a lot of those annoying sounds come from. Honestly, you’ll notice if this stuff is missing or deteriorated. You'll start hearing more road noise, feeling more vibrations through the floor, maybe even notice the inside getting hotter or colder. It’s not something that will leave you stranded, but it really affects the overall comfort and quality of the driving experience. It keeps things feeling solid and well – built. You can often find different types for specific areas – a thicker foam for under the carpet, a thinner one for inside door panels. We’ve got a pretty good selection at Fixparts Online if you want to take a look at what’s available for your vehicle. Technical support you can rely on: Foam (MPN 3C9839731A) comes with 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 designed specifically for your vehicle, ensuring a perfect fit and optimal performance. • Using genuine Audi parts helps maintain your vehicle’s value and original quality. • We offer a wide range of parts, from everyday maintenance items to complex components. • Audi parts are rigorously tested to meet high standards for safety and durability, giving you peace of mind. Drive with confidence – choose Audi parts at FixParts Online.