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Customer Questions and Answers for Evaporator Fan Motor by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM21644163
Manufacturer Part Number: W11671461

This evaporator fan motor circulates cold air across the evaporator coils and throughout the fresh food and freezer compartments. Replacing a weak or failed motor restores proper airflow for consistent cooling and ice production.

  • Moves air over the evaporator to maintain even temperatures
  • Common failure signs: freezer getting warm, fridge section not cooling well, weak or no airflow from vents, intermittent humming or squealing, motor not running
  • May help resolve frost buildup around the evaporator due to poor airflow
  • Electrical component; match connectors and orientation during install
What's included: Evaporator fan motor only Install notes:
  • Unplug refrigerator before service; wear cut-resistant gloves
  • Access from the rear of the freezer/evaporator cover; remove shelves/panels as needed
  • Transfer any mounting hardware, grommets, or fan blade from the original if not reusable
  • Ensure fan spins freely and blade is correctly oriented before reassembly

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$116.64
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$138.80
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Questions & Answers

For Whirlpool Evaporator Fan Motor (Part Number: OEM21644163)

1 Answer

Hello Randy. Verify 12 VDC is between thw white/violet and the yellow/red wires of fan motor connection. If so, and fan does not run, replace the motor.

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1 Answer

Les, To install the evaporator fan motor in this unit you will first have to pull the shelving out of the freezer. Once shelving is out you will remove the rails that the shelving slides on. There should be 3 screws holding each rail on and you will have to pull the rail out to get to the screws behind the rail. There will be holes in the rail as you pull it out to remove the screws. Once rails are out you will remove the screws for the back cover of the freezer lower wall. With the screws out you will lift wall off and you will have access to the fan motor. You will want to make sure that power is disconnected before removing wiring from the fan motor. Remove wiring and the motor should be held in by a bracket that you just lift up on and push inward toward the fan motor to release. The fan blade must be pulled off before motor will come out. Install new motor and connect wiring. Reinstall other components.

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1 Answer

RY, Your refrigerator is equipped with a "DC" variable speed fan, so it is normal for the fan speed to change and sound different at times. But it should not "growl" at any speed. Based on your post description you will need to replace the fan motor W11671461 and the fan blade part number is WP2169142 . Thanks

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