The Upper Dishrack Wheel is an OEM part for Bosch dishwashers. It is designed to facilitate the smooth and effortless movement of the upper dishrack in and out of the dishwasher. The wheel attaches to the dishrack, providing reliable support and stability, which ensures the dishrack glides smoothly along its guide track without sticking or jamming. Causes of a bad Upper Dishrack Wheel can include the wheel's wear and tear over time, damage from excessive load on the dishrack, or accumulation of detergent residues and food particles that impair wheel movement. Symptoms of a bad Upper Dishrack Wheel include: The upper dishrack sticking or struggling to slide in and out A squeaking or grinding noise when the dishrack is moved The dishrack tilting or becoming unbalanced during use This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models.Part Number 00611666 (AP4355370) replaces 00165313, 1559882, 165313, 611666, AH3477770, EA3477770, PS3477770, PS8727423.