The plastic vent guard was broken screw attachments broken and would not stay on the unot Lance S. • Oronoco, MN • November 24, 2014 My Repair & Advice Search on the internet for replacement parts got me to appliance part pros. I founf the diagram of my microwave and they assisted in identifying the correct part number. I ordered that part and it was shipped very promptly. I used the original screws to mount the part . Success!! Was this review helpful to you?