The 00617232 is a genuine Brand Cycling Thermostat. The Brand 00617232 will monitor the heat within the blower housing to ensure the air temperature doesn't get too hot. 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 Brand 00617232 Cycling Thermostat fits the following brands of microwaves: Bosch The 00617232 replaces: 617232