Genuine OEM Volkswagen Engine Coolant Hose, part number 7T0121096A. This hose is an integral part of the engine cooling system, responsible for transporting coolant to regulate engine temperature. Constructed from high-quality, heat-resistant rubber, it is designed for precise routing and connection within the engine bay. Using a genuine OEM hose ensures correct fitment, resistance to thermal cycling and engine fluids, and long-term reliability of the cooling system.