Genuine OEM Audi Power Steering Return Hose, part number 4E0422891K. This critical component is responsible for returning power steering fluid from the steering rack back to the fluid reservoir, maintaining proper system pressure and operation. It is approximately 0.6 meters in length and features a durable braided exterior. Choosing a genuine OEM hose ensures the correct routing geometry, material composition for fluid resistance, and secure connections to prevent leaks and maintain steering system integrity.