Genuine OEM Volkswagen Coolant Hose, part number 7E0121096AG. This essential component is responsible for circulating engine coolant between various parts of the cooling system, such as the radiator and engine block. Its specific routing and material composition are designed to withstand high temperatures and pressures, ensuring efficient heat transfer. Weighing approximately 0.04 kg, this hose is engineered for precise fitment and long-term durability. Using a genuine OEM hose guarantees correct routing geometry and resistance to coolant chemicals, preventing leaks and maintaining the integrity of the engine cooling system.