Genuine OEM Audi Rear Brake Hose, part number 4M0611775B. This essential component is responsible for transferring hydraulic brake fluid from the brake lines to the rear brake caliper or wheel cylinder. It provides the necessary flexibility for suspension movement while maintaining consistent brake pressure. This hose is specifically designed for the rear braking system. Constructed from durable rubber with robust metal fittings, it measures approximately 0.33m in length. Using a genuine OEM brake hose ensures the correct material composition, pressure resistance, and precise fitment for reliable and safe braking performance.