Edwardo for Model Number 3639537780 Sears Kenmore Refrigerator In the last couple of days notice that a frost build up on the coils, must I replace the defrost Thermostat and the defrost heater just to be on the saft side. I have already replaced the defrost timer. Where is the defrost heater located on the freezer side???? Thanks, Edwardo Note||| If I need a defrost heater pls let me know ASAP.
Answer Hello Edwardo. Based on the information you provided, you will need to order the heater and thermostat kit WR51X443 and replace the part. Hope this helps. Read More... Answered by AppliancePartsPros.com | Friday, January 20, 2012