Genuine OEM Porsche Oil Fill Hose, part number 99610725403. This hose serves as a conduit to channel engine oil during the filling process, providing a direct and clean access point for adding oil. It ensures that oil is added efficiently and without spillage. Proper functioning of the oil fill hose is important for routine maintenance and ensuring the engine is correctly lubricated. Genuine OEM parts guarantee the correct dimensions and material properties for a secure and leak-free connection.