Genuine OEM Audi Engine Coolant Hose, part number 1K0121096AB. This hose is a vital part of the engine cooling system, responsible for transporting coolant between various engine components. It is routed within the engine bay to connect specific cooling system parts. Weighing 0.12 kg, this hose is constructed from heat-resistant rubber. Using a genuine OEM coolant hose ensures proper routing, resistance to high temperatures and pressures, and prevents leaks for reliable engine cooling.