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Customer Questions and Answers for Diverter Motor by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM16950825
Manufacturer Part Number: W10537869

The Diverter Motor is an OEM part for Whirlpool dishwashers controls the diverter valve, which directs water flow to various spray arms throughout the dishwasher during a wash cycle. By accurately adjusting the flow of water, the diverter motor ensures that dishes are thoroughly cleaned and rinsed by optimizing coverage and water intensity according to the cycle selected.

Causes of a bad Diverter Motor can include electrical failures, mechanical wear over time, or damage from water infiltration.  

Symptoms of a bad Diverter Motor include:

  • Dishes not being cleaned properly due to insufficient water reaching all areas.
  • Unusual noises coming from the dishwasher, which may indicate a struggling or stuck diverter motor.
  • Error codes displayed on the dishwasher that are related to water distribution functions.
  • Leakage from the dishwasher base 

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 Diverter Motor (Part Number: OEM16950825)

Saurabh for Model Number WDF780SLYB0

Hello, I have a Whirlpool Dishwasher model WDF780SLYB0 and I can see that it is leaking water from the diverter valve motor. My question is, is the leak because of a spoilt seal where the diverter motor shaft goes in the sump ( a small black round rubber seal with an opening that is star shaped.) It seems like the motor shaft does not produce a water tight seal here anyway. Or is the issue the rubber gasket around the outlet cover (part number W10315329). I need to change the diverter motor for sure but I am trying to decide if I need to change the sump or just the outlet cover or both. thanks, Saurabh

Mike for Model Number 665.13042k113

I am having a little leaking from the motor, it looks to be coming from the cylinder that extends down from the motor. Do I need to replace the motor or the sump? I've seen others have had the same problem and it appears to be the seal from the sump. The dishwasher is only 1.5 years old and was fairly expensive, so I wouldn't think I would be having leaking issues already, but this looks to be a common problem. Please include the part number as I am having a hard time finding my actual model number on the parts site. Thank you

1 Answer

Mike, With the leak going on around the diverter motor, the sump would need to be replaced. As long as the motor is not damaged then you would not need to replace the motor.

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Troy for Model Number 665.12773K310

Original issue: Washer has cyclical groaning on wash cycle and is leaking somewhere. 16 months old. Had repair guy out - found dripping from diverter motor and he ordered a new one. New part came - tech guy 1.5 weeks out - and I got curious. Pulled unit and inverted, motor still rotates as it should, but has definitely had water ingress. Leak appears to be failure of seal around diverter motor shaft that projects upwards into base of washer.I'm OK with replacing motor, since failure is probably imminent, but the SEAL is the problem, no? What part is needed - and how hard is it to replace. Should there be any substance applied to new shaft upon installation to aid in lubrication and sealing? Lastly - I fear the diverter shaft leak has NOTHING to do with the groaning, but the pump IS working according to the tech. Ideas on that?

1 Answer

Troy, The seal leaking on the unit at the diverter motor then the part that would be needed is the sump. The sump part number is WPW10455268. To remove this you will want to disconnect all hoses and wiring from the components under the unit. Make sure power supply and water is off. There are 3 tabs around the perimeter that hold the sump in place. Once you get the tabs loose then remove the sump by pushing up through the inner tub. Take all components off the sump and install on new sump and install new diverter motor which would most likely be making the noise and reinstall into unit.

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1 Answer

Mike, The seal for the diverter motor is part number WPW10195677 and to replace you would remove the motor and remove the seal install the new seal and reinstall the motor.

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1 Answer

Tom, No, Not really. The leak is due to the motor W10537869 not sealing to the sump WPW10455268 properly. The water leaking into the motor assembly eventually causes the motor to seize. You'll need to replace the motor and make sure you have it mounted properly and tightly to the sump.

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1 Answer

Hello Daryl. For the seal you are needing, you will need to order the sump [W10455268 ] for the unit.

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1 Answer

Jim, In a lot of cases just tightening the two mounting screws on the diverter motor solves the issue. If not, you'll need to replace the sump assembly WPW10195643, that's where the seal is located and set by the factory.

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