Genuine OEM Audi Flexible Return Hose, part number 4E1422891R. This hose is a critical component of the power steering system, responsible for returning hydraulic fluid from the steering rack back to the reservoir. It is positioned in the engine bay, connecting the steering rack to the power steering fluid reservoir. Constructed from reinforced rubber to withstand pressure and temperature fluctuations. Genuine OEM hoses are designed with precise internal diameters and routing for optimal fluid flow and system performance.