Genuine OEM Audi Coolant Hose, part number 7LE121444. This hose is crucial for transferring coolant between various engine components, maintaining proper operating temperatures. It is positioned within the engine cooling system, connecting specific parts as shown in the assembly diagram. Constructed from durable, heat-resistant materials, it measures approximately 0.54 meters in length and weighs 0.116 kg. Choosing a genuine OEM coolant hose ensures precise fitment, correct routing geometry, and resistance to thermal cycling and chemical degradation for long-term reliability.