Will the door rack retainers and supports for this model work with model # frt18b5aw2?
Yes the door rack support 240311502 will work for your refrigerator. Each shelf has a different part number for the retainer so you will want to make sure that you get the part you need. For the Freezer door shelves, top and bottom refrigerator door shelves left side retainer is part number 240311501 and right side is 240311502. For the middle shelf of refrigerator door the part numbers are left 240331501 and right 240331502. If you need the rails as well the freezer rails are part number 240331401 and the refrigerator rails are 240331401
Do you have the bottom 2 food baskets, on the right side of this model?
The part number for the lower crisper pan for your unit is part number 240351207 and the upper pan is 240351005.