Genuine OEM Audi Coolant Hose, part number 3Q0122101AC. This flexible hose is essential for carrying coolant between various components of the engine cooling system, ensuring proper heat dissipation. It is part of the coolant circulation path. Weighing approximately 0.1224 kg, this hose is designed for flexibility and durability under engine operating conditions. Choosing genuine OEM ensures the correct routing geometry and material resistance to coolant, preventing leaks and maintaining system integrity.