Whirlpool WP4387490 Refrigerator Defrost Thermostat OEM Part

Defrost circuit was broken, defrost thermostat failed and allowed the frost to build up and clog the ports . Replaced defrost thermostat and fixed the circuit.....the heating element worked again as the defrost thermostat was broken in the open position, not allowing the heating element to operate.

I ordered a new defrost thermostat which took two weeks to get here ( this is the second one within about a month to two month period} I installed the new one{took about 1/2 hr} so far it is working good, I will have to wait to see if it is going to frost up.

Refrigerator was not cooling properly and repair man came out to do inspection. He quoted me about $200 for the repair which was far more than I wanted to pay for an old refrigerator. He also said it would take 7 days to get the parts. I purchased the temperature sending unit for a fraction of the price and fixed it myself. All I needed was a socket driver to remove screws, wire snippers to cut the old one out and wire strippers to prep the existing connections. I paid 99 cents for a couple wire nuts, twisted it together and replaced the pieces. Only cost me $25 instead of $200.

Replaced the Defrost Thermostat in the freezer.

I followed the appliancepartspros instructions on how to diagnose the problem and the defrost bimetal thermostat checked bad. I followed the installation instructions and so far the refrigerator is working correctly.