This Microwave Door Interlock Switch Assembly prevents the microwave from starting when the door is open. The assembly may include multiple parts; refer to your parts diagram for a complete list of parts included. This part is designed to be used with select microwave brands, including Whirlpool®, Maytag® and Amana®; check to see if your model number is compatible. We strongly recommend that you hire a qualified technician to safely install this part. Replacing this part will require advanced mechanical training. Specialized tools, complex testing and appliance calibration may be required.