Genuine OEM Volkswagen Coolant Pump, part number 04C121600P. This critical component is responsible for circulating coolant throughout the engine cooling system. It is typically located on the engine block, driven by a belt or gear. Constructed with a durable metal housing and integrated plastic components, weighing approximately 1.63 kg. Choosing a genuine OEM coolant pump ensures factory-specified flow rates, material compatibility, and long-term reliability, preventing engine overheating and damage.