KitchenAid KMCS3022GSS3 waveguide part

Brand:KitchenAid
Model Number:KMCS3022GSS3
Main Symptom: Need to find replacement part for the waveguide cover
What happens & when:I’m having no luck finding the replacement part for the waveguide cover for this model. Anyone have the same model and any luck?

Error Code (if any):
Parts or tests already tried:
Photos / video link:

Unfortunately, with this being a countertop microwave, the manufacturer is not listing parts for the model.