Depo 331-55004-000 Dual Fan Assembly OE comparable design to ensure the structural fitment and strength Drop in fit Robust validation tests to guarantee the best quality on every single fan Only sold by assembly which consists of shroud, blades, motors and some with module controller or resistor Professional installation recommended, for fan with control module or brushless motors, please follow the steps in the "installation notice" inside the box and ensure to re-boot car computer for operating correctly