This hose is pretty simple actually. It’s a flexible pipe that carries brake fluid under pressure from the master cylinder—that’s where you push the pedal—all the way to the brake calipers at each wheel. It allows the wheel to move up and down with the suspension while still maintaining a fluid connection. Basically, it’s a crucial link in getting the pressure from your foot to actually stopping the car. Think of it as part of the entire braking system's circulatory system. The master cylinder is the heart, the lines are the arteries and veins, and this hose is a flexible section that connects everything. Without it, the pressure can’t reach the calipers to squeeze the brake pads against the rotors, and you won’t stop. It connects the rigid metal lines to the moving parts of your suspension. Well, brake fluid is corrosive, and over time these hoses can deteriorate from the inside out. Rubber gets brittle, cracks can form, and eventually, it can burst. If that happens, you lose brake pressure to that wheel. You’ll notice if a hose is starting to go bad because you might feel a spongy brake pedal, or the car might pull to one side when you brake. It acts like a shield against the constant pressure and heat of the braking system, but everything has a lifespan. Replacing them proactively, especially if you're doing other brake work, is a really good idea for safety. You can find a good selection of these at places like Fixparts Online, and they're generally not terribly expensive considering what they do. It’s a small price to pay for keeping you and everyone else safe on the road. Easy returns and support: Hose (MPN 4F0611775D) comes with a 12-month warranty!

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• 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.