Motor/Pump Impeller and Seal Assembly

PartSelect Number PS2340860

This kit includes 2 impellers, 1 suction plate, 4 seals and a screw.

This part works with the following brands: Whirlpool, Admiral, Estate, Inglis, Kenmore, KitchenAid, Roper, Maytag, Crosley, Jenn-Air, Hardwick, Magic Chef, Amana, Caloric & Glenwood.

This part fixes the following symptoms:

  • Not cleaning properly.
  • Leaking water.
  • Unusual Noise.
  • Compare At

    $43.56
  • You Save

    $7.26
  • Your Price

    $36.30
In Stock
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Installation Instructions Provided by PartSelect customers like you.

Average Repair Rating: 2.7 / 5.0, 10 reviews What's this?
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41 of 46 people found this instruction helpful

Parts Used

Level of DifficultyEasy

Time to do repair:30 - 60 mins

ToolsNutdriver, Pliers, Screw drivers

CustomerStephen from Sante Fe NM

Grinding noise during wash and rinse

First off, I must give thanks to Partselect.com for excellent service. They had the parts I needed, a Diagram of how the parts should go into the Dishwasher, and shipping was very quick and reasonable priced. Thank you Partselect.com.


After dinner we heard our Maytag MDB5100AWW dishwasher start grinding during its wash cycle. Needless to say we found this quite concerning, as this is not what a healthy dishwasher should sound like. After fiddling around with it, I started researching the issue and found Partselect.com where it was stated the “Discharge Housing Assembly (Discharge Pump Housing)” was a common failure point. After disassembling the “Pump and Motor” section of the dishwasher, it was confirmed that the Discharge Housing was indeed broken. Since this Dishwasher is over 8 years old, I figured that I might as well replace a few other parts as well, since I'm in there working on it.


Following the blow-up image of the Pump and Motor picture;

Unscrew part 34

Pull out part 1

Lift Part 2, which is attached to part 36

Unscrew part 5 (6 of them) from part 4, be careful not to loose part 3, sitting inside part 4

Lift out part 6 and 7

Unscrew part 8 and lift out part 9

Unscrew part 27 (three of them) and lift out part 11

The bottom plate of this part is the broken part.


Now, since we are in here replacing a part, we might as well replace a few other parts and give this dishwasher a little longer life. I opted to replace the following parts as well, being that my dishwasher was over 8 years old and the gaskets were showing some age.

Part 4 – Pump Cover and Secondary Filter Assembly; I replaced this part because food often gets caught inside the filters and will throw off the balance during a wash or rinse, thus putting premature wear on bearings and o-rings. My filter had a bunch of food on one side, and the only way to remove the food was to slit open a section of the filter, thus damaging the filter screen.

Part 37 – O-Ring that goes inside the Pump Cover and Secondary Filter Assembly. O-rings are rubber and do wear with age. My dishwasher didn't even have this o-ring; now it does.

Part 3 – Lower Spray Arm Seal; I noticed when pulling these parts out that the hard water in our living area was making these somewhat brittle. When ordering these, get two of them, as the picture indicates. If you order one, the package only contains one, and not two was the image shows it should have.

Part 11 – Discharge Housing Assembly (Discharge Pump Housing). This is the part that is making all the grinding noise. The new part will show that it is built a little differently. It appears that Maytag figured out the weak design of this part and made the replacements stronger.

Part 17 – Even though I ordered this, you don't need to order this part if you order the Part 10 kit. The part 10 kit will include this o-ring. Because its an O-ring, I replaced it; as stated above, o-rings do breakdown.

Part 25 – Pump Gasket; This part should really be called the Pump Housing Gasket, as it isolates the Pump Housing bucket and the Dishwasher tub. I bought this because my original gasket was looking pretty nasty and was coming apart.

Part 10 – Seal Kit (Motor/Pump) (Motor/Pump Impeller and Seal Assembly), this kit includes several components that if purchased separately would easily be twice the cost of this kit. Again, seals and Motor Pump seals are a good thing to replace when needing to do work inside the dishwasher.


Continuing on from the previous dis-assembly list;

Unscrew part 12 and remove part 14, 15 and 16.

Unroll part 17 (o-ring) and remove part 18.

Unscrew parts 19 and carefully remove part 20, being VERY careful to not loose part 39.

Lift out part 22, which will include the bearing inside of part 22.

Pry out part 24 with a pick (the replacement is in the kit of part 10).

To remove part 25, you must Remove part 12 of the Door Assembly (see the Door image) to reach the motor element.

Next unscrew part 14 of the “TUB” i

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4 of 4 people found this instruction helpful

Parts Used

Level of DifficultyA Bit Difficult

Time to do repair:More than 2 hours

ToolsNutdriver, Screw drivers

CustomerRobert from Tabernacle NJ

Heard noise shorty after starting to run. Seemed to get worse at times in short time frame

Located circuit breaker for dishwasher and turned off breaker to secure power going to unit. Removed water spray bar arm inside dishwasher basin by unscrewing center nut and unclipping tabs against arm. Removed sheet metal access panels on bottom front of unit. Removed two individual plug in wires to temperature thermister. Removed 4 conductor plug wiring going to motor. Removed ground wire going to motor frame. Located plastic handle which cam locks motor / pump assembly into place. Pulled handle down gently to unlock from detent and turned clockwise to release pressure on assembly. Removed motor / pump assembly from dishwasher enclosure. Installed all new parts purchased as listed above utilizing parts breakdown aquired from PartSelect.com. Reinstalled motor / pump assembly in reverse order as listed above. Tested and ran unit with no problems. Thank You PartSelect.com, Robert.

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3 of 4 people found this instruction helpful

Parts Used

Level of DifficultyA Bit Difficult

Time to do repair:More than 2 hours

ToolsNutdriver, Screw drivers, Wrench set, Wrench(Adjustable)

CustomerJames from Houston TX

Leak in motor shaft seal

We had had a slow leak on our dishwasher for some time. We were also getting a film left on the dishes and they did not appear clean. Eventually the leak got worse and I had to find the problem. It turned out that in addition to the motor shaft seal leaking, the heating element was out and the installer had done a really bad job, with leaks in the fittings and the wiring not installed properly.

I tried to get the parts locally but they were not in stock and needed a week to arrive. With family coming to visit, I ordered the parts from Parts Select on Monday and they arrived Tuesday. That afternoon, I had everything back together and it is working great.

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3 of 6 people found this instruction helpful

Parts Used

Level of DifficultyEasy

Time to do repair:15 - 30 mins

ToolsNutdriver, Pliers, Screw drivers, Wrench(Adjustable)

CustomerTIMOTHY from SPENCER WV

Grinding noise

removed motor pump assembly, worked my way down from the top, found problem ,ordered parts. put back together it was real easy,replaced back into unit. turned on water and power. runs perfectly.

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1 of 1 people found this instruction helpful

Parts Used

Level of DifficultyEasy

Time to do repair:30 - 60 mins

ToolsScrew drivers, Socket set

CustomerWANDA from CLINTON MI

Replaced broken and worn parts

removed necassary parts

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1 of 2 people found this instruction helpful

Parts Used

Level of DifficultyEasy

Time to do repair:30 - 60 mins

ToolsPliers, Screw drivers, Socket set

CustomerJames from LaGrange KY

Leak caused by bad gasket on motor shaft

I had to remove all parts of the dishwasher until I got down to the main gasket on the motor and then replaced all gaskets and discharge . I used the parts diagram to make sure every thing went back in the correct spot.

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1 of 3 people found this instruction helpful

Parts Used

  • Motor/Pump Impeller and Seal Assembly

Level of DifficultyReally easy

Time to do repair:30 - 60 mins

ToolsPliers, Screw drivers, Socket set

CustomerJOHN from SNOHOMISH WA

Dishes not getting clean

I followed the instructions that came with the parts kit. Everything went fine. When removing the old upper impeller, it came out in two pieces. I did have one o-ring leftover as the instructions did not say where it went. Anyway, the new parts are installed & dishes are getting clean again. I was very impressed with how fast the parts kit arrived at my house.

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0 of 2 people found this instruction helpful

Parts Used

  • Motor/Pump Impeller and Seal Assembly

Level of DifficultyEasy

Time to do repair:30 - 60 mins

ToolsNutdriver, Pliers, Screw drivers

CustomerDavid from West Bloomfield MI

Dishwasher was leaking from motor shaft seal.

Repair was simple, and easy to install. Instructions were fairly straight forward. Only thing to be aware of is when you get to the last part, the cutter blade, it is difficult to remove, and you must pay attention to get it on the new impeller fully seated and make sure that the tabs clear the upper cover that goes on top of it. I had an issue with the tabs catching, causing a loud noise, I simply removed, rechecked, and cut the tabs down a little bit, and re-installed. Overall, took me an hour to complete and I have a quiet and functional dishwasher again!

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0 of 2 people found this instruction helpful

Parts Used

  • Motor/Pump Impeller and Seal Assembly

Level of DifficultyDifficult

Time to do repair:More than 2 hours

ToolsNutdriver, Screw drivers

CustomerJohn from Wendell NC

Dishwasher leaked

Replace parts for Impeller and Seal Assembly. Most things came off reasonably, but the final Impeller would not and had to be forced out in pieces. Probably because of this after putting new parts in place the leak was worse than before.

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1 of 5 people found this instruction helpful

Parts Used

Level of DifficultyEasy

Time to do repair:30 - 60 mins

ToolsScrew drivers, Socket set

CustomerAlma from Demotte IN

No spray inside dishwasher, dishes still dirty

Removed spray arm from bottom of dishwasher, Then three torx screws holding housing and filter screen together. Next the 5/16 screws csme out and I founf the broken pump impeller pieces. Took the 5/16 screw out of the broken impeller hub and pryed the broken hub off the shaft with two screwdrivers. Be careful not to break the housing when taking off the broken hub. (hardest part was getting the broken piece off). Also went deeper and replaced the drain pump impeller ( which was not broken) and the seal assembly. re assembled in reverse order. Repared a broken wheel on the top rack too. Unit works great. Thanks for the fast service and valuable info for the home repair person

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