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Customer Questions and Answers for Defrost Bimetal by Whirlpool

4.89 (64)
By: Whirlpool
Part Number: OEM18027960
Manufacturer Part Number: WP4387503

The Defrost Bimetal is an OEM part for Whirlpool refrigerators. It acts as a safety thermostat that monitors and controls the temperature during the defrost cycle. This component ensures that the defrost heater turns off when the evaporator coil reaches a specific temperature, preventing overheating and potential damage.

Causes of failure may include a malfunction due to wear and tear over time, electrical failure, or damage from moisture and ice.  

Symptoms of a bad Defrost Bimetal include:

  • The refrigerator is constantly running without cycling off
  • Frost buildup on the evaporator coils, leading to reduced cooling efficiency
  • The refrigerator or freezer compartment is too warm
  • Unusual fluctuations in refrigerator temperature

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.

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Questions & Answers

For Whirlpool Defrost Bimetal (Part Number: OEM18027960)

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Charles Lakin for Model Number ET1CHKXKT01

My fridge needs a new thermostat. The old one has markings T-O-D 37T v31 2182380. Your product information says that AP6009317 replaces 2182380. The new one looks exactly like the old one, so I assumed this would be the right one. However, when I put in my model number,it says this new one is incompatible with my fridge. The one they say is compatible does not look anything like my old one and has only one wire, not 2, coming out of it. Please help. Thanks!

Answer

Charles, The original defrost bi metal [2182380] has been discontinued and substituted by the manufacturer. The correct defrost bi metal switch for the model number you supplied is WP4387503 / 4387503. It won't register in the "compatability tool" because it is a direct replacement "substitute part". The part is in stock and available at this time. Thanks

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Answered by AppliancePartsPros.com   |   Wednesday, October 5, 2016

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