Genuine OEM Audi Oil Filler Pipe, part number 4M0115301H. This component serves as the access point for safely adding engine oil, ensuring that oil can be poured into the engine without spillage or contamination. It is typically located on the top of the engine, connecting to the valve cover. Weighing 0.141 kg, this pipe is designed for durability and a secure seal with the oil filler cap. Choosing a genuine OEM oil filler pipe ensures proper sealing against oil leaks and vapor escape, maintaining engine cleanliness and preventing potential issues from incorrect fitment or material degradation.