Genuine OEM Audi Suction Hose, part number 079145712D. This hose is a key component of the engine air intake system, facilitating the flow of air into the induction assembly. It is constructed to maintain its shape under vacuum pressure, ensuring consistent airflow to the engine. Genuine OEM suction hoses are essential for intake systems to ensure the correct routing geometry and secure fitment at connection points, preventing unmetered air leaks that can negatively impact engine performance and fuel efficiency.