The Upper Rack Assembly is an OEM part for Frigidaire dishwashers. This rack provides a secure place for dishes, glasses, and other small items to be cleaned during the wash cycle.  Causes of a bad upper rack assembly can include regular wear and tear, rust or corrosion from prolonged exposure to water, and damage from heavy or improperly placed items.   Symptoms of a bad upper rack assembly include: Difficulty sliding the rack in and out Broken or missing tines Visible rust or corrosion Dishes not staying securely in place This OEM Frigidaire part is also compatible with Electrolux, Gibson, Kelvinator and some Kenmore models.Part Number 5304535250 (AP7214326) replaces 5304498205, 154494404, 154494406, 154461101, 154638901, 154807901, 808602202.