Genuine OEM Volkswagen Power Steering Return Line, part number 1C0422891D. This component is responsible for returning hydraulic fluid from the steering rack back to the power steering pump reservoir, completing the power steering fluid circuit. It features a combination of rigid metal piping and flexible rubber hose sections, weighing 0.31 kg and measuring 0.74 m in length. Choosing a genuine OEM return line ensures proper routing, pressure resistance, and material compatibility with power steering fluid, preventing leaks and maintaining steering system reliability.