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Customer Questions and Answers for Run Capacitor by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18071040
Manufacturer Part Number: WPW10662129

The Run Capacitor is an OEM part for Whirlpool appliances, designed to provide the necessary electrical charge to start and run the compressor motor. This part attaches to the compressor to aids in maintaining a consistent motor speed and ensuring smooth operation. The run capacitor plays a crucial role in the appliance's electrical system, storing and releasing energy as needed to power the motor.

Causes of a bad Run Capacitor include electrical surges, wear and tear over time, or overheating, which can lead to a failure in providing the necessary start-up energy or maintaining motor speed.

Symptoms of a bad Run Capacitor include:

  • The appliance does not start.
  • The motor shuts off shortly after starting.
  • The appliance is humming but not running.
  • Increased energy consumption.

This OEM Whirlpool part can also be used on Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore/Sears brand appliances.

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Questions & Answers

For Whirlpool Run Capacitor (Part Number: OEM18071040)

1 Answer

Hi John. There is a compressor relay/overload that is for your refrigerator. This part # is 4387913. Make sure your condenser coils are clean. Thank you.

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1 Answer

Hi Dave. You have some kind of direct short. Provide us with the correct model and serisl # as we can assist you further. thank you.

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1 Answer

Hello Victor! To verify the exact matching part for your unit we will need the appliance model number. Thanks.

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1 Answer

Hello Joe. It should be ok to use the 15uf in place of the 12uf on your refrigerator. Hope this helps.

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1 Answer

Hello Dan. This works in conjunction with the start relay. If you will provide your model number, we will be glad to look up the part for you. Thanks.

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1 Answer

Hello Rich, You will need a capacitor tester to truely test this part. Some meters have these on them, and some do not. Hope this helps.

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