Find replacement refrigerator parts are not always the best thing to do if you are a do-it-yourselfer who likes to set your own devices.
Most major brands are not eager to sell parts directly, for two reasons. First, they do not want to have to deal with someone who may not have the skills to replace the part, and winds up causing more problems than they fix and secondly, they would prefer to send their repair people to do the work so they can charge you work too!
However, all is not lost. Fortunately, there are a number of sites where you can get parts for almost all makes and model of refrigerator. If you want to get more information about the Commercial refrigeration services then you can search for various online sources.
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The way that their website is that you enter the model number of your refrigerator and you will get a list of all available parts to order. You can get all of a replacement rack or vegetable tray, right at the printed circuit board assembly.
They even give you directions to find the model number of your refrigerator in case you cannot find it. Most manufacturers do a very good job of hiding this information; it can be very useful in some cases.