Genuine OEM Audi Engine Coolant Hose, part number 4KE819362P. This hose is a crucial component of the engine cooling system, responsible for circulating coolant to maintain the engine's optimal operating temperature. It features a corrugated design for flexibility and durability, with a blue connector on one end. Weighing 0.074 kg and measuring 0.18m in length, this hose is manufactured to precise factory standards. Using a genuine OEM hose ensures correct material composition, resistance to high temperatures and pressures, and a perfect fit, which are vital for preventing leaks and maintaining cooling system efficiency.