Amazon.com: AMI PARTS 165314 Fit for Bosch Dishwasher Wheels Lower Rack-Replace 420198 AP2802428 PS3439123 423232 EAP3439123 PS8697067 Dishwasher Wheels Replaces Dish Rack Part Number PACK OF 4 : Appliances
How To: Bosch/Thermador/Gaggenau Upper Dishrack Wheel 00611666 - YouTube