Genuine OEM Mercedes-Benz Viscous Fan, part number A0002009723. This fan is responsible for moving air across engine components to dissipate heat and maintain optimal operating temperatures. It is a critical part of the engine cooling system. This part weighs 1.35 kg and has dimensions of 0.46m x 0.08m x 0.43m. Genuine OEM viscous fans are manufactured to precise specifications for reliable engagement and efficient airflow, ensuring consistent engine cooling performance.