Genuine OEM Audi Engine Coolant Hose, part number 4K0819374Q. This critical component is designed to transport engine coolant, playing a vital role in maintaining optimal engine operating temperatures. It is located within the engine cooling system, connecting various components. Weighing 0.116 kg and featuring a specific curved geometry, this hose ensures proper routing and flow. Using a genuine OEM coolant hose guarantees the correct material composition and pressure resistance for reliable, leak-free performance under extreme engine conditions.