This part can work with refrigerators. The WR51X10055 can replace the following part numbers: 914088 AP3183311 WR51X10030 WR51X10055 Refrigerator Defrost Heater The WR51X10055 Refrigerator Defrost Heater heats the refrigerator’s cooling element to prevent it from freezing. It works with the defrost timer to heat the element at regular intervals. A worn or broken defrost element may cause the refrigerator’s cooling element to freeze. You might need to replace the defrost heater in your refrigerator if: Your refrigerator or freezer are too warm Your freezer will not defrost Frost has built up on the freezer coils