Genuine OEM Audi Engine Radiator Cooling Fan, part number 5Q0121203DE. This essential component is responsible for drawing air through the radiator core, facilitating the dissipation of heat from the engine coolant and preventing overheating. It is typically mounted directly behind or in front of the radiator within a shroud to optimize airflow. Weighing approximately 4.173 kg, this fan assembly is designed for efficient and quiet operation. Choosing a genuine OEM cooling fan ensures correct blade design, motor calibration, and shroud fitment, which are critical for effective heat exchange and long-term cooling system performance.

Catalogue entry: Radiator fan with fan ring 400W 440MM; MAGNA; OPTIONAL 5QM 121 203 H.