The 00617211 is a genuine OEM Bosch Wave Guide Cover. The Bosch 00617211 Wave Guide Cover fits the following brands of microwave, microwave hood combos: Bosch The Bosch 00617211 covers the microwave emitter inside the microwave. The 00617211 replaces: 617211 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.