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Customer Questions and Answers for Rotor (Circulation Pump) by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18035979
Manufacturer Part Number: WP8194092

Restore consistent wash performance with this motor rotor. It fits the dishwasher's circulation pump assembly and works with the stator to spin the impeller, circulating water through the spray system during wash and rinse cycles.

  • Couples with the stator's magnetic field to drive the wash motor
  • Spins the impeller to move water through spray arms
  • Wear or damage can cause no wash action or weak spray/poor cleaning
  • May help address humming, grinding, or intermittent motor operation
What's included: 1 rotor Install notes:
  • Disconnect power and shut off water supply before servicing
  • Access the sump/motor area from the bottom/front; remove pump cover and impeller to reach the rotor
  • Note orientation; handle the magnetic/ceramic surfaces carefully to avoid chipping
  • Inspect the impeller, shaft seal, and bearings while open; reassemble and test for leaks and proper circulation

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Questions & Answers

For Whirlpool Rotor (Circulation Pump) (Part Number: OEM18035979)

Terry01 for Model Number KitchenAid KUDD01S (Stainless built-in single drawer dishwasher)

Hi, I just bought my house, the previous owners moved out about 4 months before we moved in. My wife noticed a couple weeks ago that it appeared to be leaking water, and then out of nowhere it stopped draining, the water was up to the overflow valve. I suspected a clog at the garbage disposal, but that was clear. I took off the sprayer arm and impeller and noticed a small disk, that should fit on the bottom side of the impeller, the hole was very worn and it falls off. It looks like this disk pushes water to the drain, is that right? It has fins on the bottom side of it. With power off, I took the hose off of the undersink hanger and disconnected it from the disposal, it drained slowly (probably over about 20min). Will this impeller rotor fit my unit? Is this the part I need? Thanks. - Terry

1 Answer

Terry01, If the impeller is worn then this will most likely correct the issue with your unit.

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1 Answer

Janet, Yes replacing the rotor and motor will correct the knocking noise and the drainage issue.

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1 Answer

Hello Mike. The rotor comes as shown in the photo. You have to twist these to unlock them and remove them from the housing in the unit. If you need the motor WP8194101, you will have to order it separately. Thank you.

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1 Answer

Hello Ricky, The pump seal has probably stuck to the motor shaft. This is common in a unit that has set without being used. This will normally tear the seal up when the motor shaft turns. You will have to replace the rotor assembly WP8194092.

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1 Answer

Hello Courtney, If you are talking about the pump, there are no parts of the pump serviceable. If anything on the pump came loose, the pump WP8194092 will have to be replaced to correct the issue. If you are talking about the link support 8194282, it is necessary to prevent the fill line and the drain line from crimping off and it will prevent the unit from operating correctly. You will notice that the link support has been changed by the manufacturer. This was deemed necessary since the plastic design was getting broken and causing issues.

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