Genuine OEM Hyundai Water Pump Pulley, part number 2522104020. This critical component is responsible for transferring rotational power from the engine's accessory belt to the water pump, enabling it to circulate coolant throughout the engine. It is an integral part of the engine cooling system. The pulley features a durable metal construction with a black finish, designed for long-term reliability. Choosing a genuine OEM pulley ensures precise balance, correct belt alignment, and robust material quality, which are essential for smooth operation and preventing premature wear on the water pump and accessory belt.