The 12009748 is a genuine Bosch Zeolite 3 Fan Motor. The Bosch 12009748 circulates hot air around dishes after the wash cycle to give them a thorough dry. It is recommended to either refer to your appliance service manual, contact your appliance manufacturer, or contact a service professional to validate the needed part number for your appliance prior to purchasing. The Bosch 12009748 Zeolite 3 Fan Motor fits the following brands of dishwashers: Bosch The 12009748 is a new part that doesn't replace any other part.