Genuine OEM Volkswagen Engine Coolant Hose, part number 5Q0121082. This hose is a crucial part of the engine cooling system, responsible for circulating coolant between various engine components to regulate operating temperature. It is designed for specific routing within the engine bay. Weighing only 0.055 kg, this hose is made from durable, heat-resistant materials. Using a genuine OEM coolant hose ensures proper fit, leak-free performance, and resistance to extreme temperatures and pressures, preventing engine overheating.