Genuine OEM Audi Support Link, part number 5Q0411315C. This support link, also known as a sway bar end link or stabilizer link, connects the stabilizer bar to the suspension control arm or strut. Its primary function is to transfer forces from the stabilizer bar to the suspension, thereby reducing body roll during cornering and improving vehicle stability. This part is located in the front suspension assembly. It typically consists of a metal rod with ball joints or bushings at each end. Genuine OEM support links are engineered for precise geometry and durability to ensure responsive handling and a comfortable ride.