Genuine OEM Volkswagen Coolant Pump, part number 06M121013G. This pump is responsible for circulating coolant through the engine block and radiator, playing a vital role in regulating engine temperature and preventing overheating. It is located as part 1 in the engine cooling system diagram. This coolant pump has dimensions of 0.2 m length, 0.14 m width, and 0.08 m height, weighing 1.1 kg. Genuine OEM coolant pumps are engineered for optimal flow rates and durability, ensuring reliable engine cooling performance.