Bosch Neff Siemans Dishwasher Lower Basket Wheel. Part number 165314;

Part Number 00165314 replaces 165314, 420198, 423232, AH3439123, EA3439123, PS3439123, PS8697067.
Includes locking clip to attach directly to the dishrack. Wheels do not come with axel. The axel is part of the lower rack. Color: gray. Measures about 1-1/2 inches in diameter, and with the clip it's about an inch wide.
Bosch Factory Part. Bosch brands include Bosch, Thermador, Gaggenau, and others