The refrigerator is warm, freezer cold. I've determined the defrost timer and defrost heater are fine. The thermostat is called a defrost terminator and is listed as such on the wiring schematic. However, a defrost terminator does not exist on the parts list. Instead a thermostat comes up that does not at all look like the part I need. The thermostat on the parts list appears to be plastic. The part (defrost terminator) I'm trying to replace is metal with a clip to attach it to the evaporator coil. The markings on the defrost terminator I removed are 37TF31 31442 126012-08 beneath that line is L45-30F J0233. Where can I get this part, AppliancePartsPros.com doesn't know. Thanks

Yor are correct, its the right part, a different manufacture than the present one. Thanks