This is a GE refrigerator defrost heater assembly. The defrost heater assembly is the component responsible for defrosting the freezer compartment.If the refrigerator has been having trouble defrosting or making loud noises when the defrost heater turns on, this part could need a replacement. When this part malfunctions there could be a noticeable increase in ice building up in the freezer compartment. This situation should be fixed quickly because the increasing ice could damage other parts. Start any repairs by unplugging the refrigerator first. Take all the shelves out of the freezer and remove the freezer light shield. Unthread the two screws securing the rear freezer panel inside of the freezer. Detach the clip and remove the panel. The defrost heater should be accessible at this point. This part is located near the bottom of the freezer. Unthread the screws holding it in place and disconnect it from its wiring. Repeat these steps in reverse to install the new appliance.This is a genuine OEM replacement product sourced directly from GE. This heater assembly is only available individually and is not included with other parts.WR51X322 (AP2071376) replaces 305049, AH303835, EA303835, PS303835, WR51X0322, WR51X10065.