Whirlpool 8206446 Microwave Sensor Fits models GH4184XSS1, GH5184XPB6, GH5184XPQ6, GH5184XPS6, GH5184XPT4, GH5184XPT6 GH6177XPB4, GH6177XPB5 Unit is approximately 6-Inch long, 6-Inch wide and 1-Inch high OEM genuine replacement part