Genuine OEM Audi Power Steering Intake Hose, part number 4H0422887AR. This hose is a critical component of the power steering system, designed to convey hydraulic fluid from the power steering fluid reservoir to the power steering pump. It ensures a continuous supply of fluid for smooth and responsive steering operation. Choosing a genuine OEM hose guarantees the correct material composition, internal diameter, and routing geometry for optimal fluid flow and resistance to power steering fluid, preventing leaks and premature failure.