Genuine OEM Audi Coolant Hose, part number 7M3121058K. This hose is designed to transport coolant within the engine cooling system. It features an integrated flange-like connection point for secure attachment. Weighing 0.126 kg and measuring 0.32 m in length, it is a compact component. Using a genuine OEM coolant hose ensures precise fitment, proper fluid flow, and resistance to temperature and pressure fluctuations, critical for engine longevity.