The Grille ASM, SS is an OEM part for GE microwave ovens. This stainless steel grille assembly is designed to cover and protect the internal components of the microwave while allowing proper ventilation. Causes of a bad grille assembly can include physical damage from impacts or mishandling, corrosion from exposure to steam and moisture, or wear and tear over time that can lead to cracks or breaks in the grille. Symptoms of a bad grille assembly include: Visible cracks or breaks in the grille The grille not fitting securely or falling off Discoloration or rust spots on the stainless steel This OEM GE part is also compatible with Hotpoint, RCA, and some Kenmore models.WB07X11385 (AP5646325) replaces 2314034, PS4704150, WB07X11130.