The Upper Dishrack Assembly is an OEM part for GE dishwashers. It is designed to hold and organize dishes, glasses, and other items in the upper section of the dishwasher, ensuring they are properly positioned for optimal cleaning. Causes of a bad dishrack assembly can include wear and tear over time, exposure to high temperatures and harsh detergents, or physical damage from overloading or mishandling. Rust or corrosion can also compromise the integrity of the dishrack, leading to malfunction. Symptoms of a bad Upper Dishrack Assembly include: Difficulty sliding the rack in and out Rust or corrosion on the rack Broken or missing tines Items not being properly cleaned due to improper positioning This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.Part Number WD28X10399 (AP5781495) replaces 2886192, PS8690632, WD28X10164, WD28X10167, WD28X10214, WD28X10287, WD28X10336.