Genuine OEM Mercedes-Benz Coolant Pump, part number A0005001800. This coolant pump is essential for circulating coolant throughout the engine system, maintaining optimal operating temperatures and preventing overheating. It measures 0.14m in length, 0.11m in width, and 0.11m in height, weighing 0.669 kg. Genuine OEM coolant pumps are engineered for precise flow rates and long-term reliability.