Installation instructions do NOT come with this part! This thermostat helps to protect the evaporator from overheating! This original Samsung Refrigerator Defrost Bi-Metal Thermostat originally shipped with the following Samsung devices: RFG298AARS, RFG298AARS/XAA This is a true Samsung part! This item is NEW! Don't see your model number? Send us a message as we are happy to help!