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Mdb8959fz4 Parts

Some parts shown may not be for your model. To see parts for your model only, select it from "Matching Model Numbers" list on the left.

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Retainer
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3400918

The Retainer is an OEM replacement part for Whirlpool built-in dishwashers. It is a plastic clip located within the lower wash arm assembly. This retainer securely holds the pivot hub bearing and ensures smooth oscillation of the lower wash arm during cycles.  

Causes of retainer failure commonly relate to plastic material degradation from regular heat and chemical exposures over many uses. Crack propagation weakens the clips ability to precisely position bearing elements.

Symptoms of an inadequate retainer may include:

  • Grinding or scraping noises coming from the wash arm area
  • Restricted movement or binding of the lower spray arm assembly
  • Potential loose wash arm parts that could interrupt spray patterns  

This OEM Whirlpool replacement is also compatible with KitchenAid, Maytag, and some Sears/Kenmore dishwashers. 

Do-It-Yourself Stories from Customers like You Arm spray on dishwasher   Beth N. • Brookings , OR • July 09, 2017

Funny, my husband did it. We have a service contract but you know how long that still takes. So he found the part at the bottom of the dishwasher and it had a number on it. He went to your site and and found the part. Yes it was a little cheaper else where like everything else but what the other sites didn't have he said was the video on how to do it. He explained he felt that takes money to produce so the few dollars more were worth it to him and he can be cheap. We had it in two days like you... Read more

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Dishwasher Food Chopper Assembly
Genuine Whirlpool part
By: Whirlpool
Part Number: W11246682

Fixes dishes with food particles or loud grinding noises. This chopper assembly breaks down debris to prevent clogs. Moderate difficulty repair.

Do-It-Yourself Stories from Customers like You Maytag dishwasher was not cleaning dishes on the top racks   Travis B. • Whiteland , IN • December 14, 2025

I started by removing and cleaning the sump filter and drain adapter at the bottom of the tub. The manual said nothing about these filters, but they were almost completely clogged after 5 years of use and no cleaning. After reassembling with the cleaned filters, the problem persisted. I did some more research and found others said the food chopper had disintegrated and caused the same issue with the top rack not getting cleaned. I then pulled the dishwasher out and tipped it on its door to... Read more

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Dishwasher Air Inlet
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8268937

Replaces a cracked, broken, or deteriorated dishwasher air inlet that allows fresh air into the tub during drying. Installs on the inner door panel.

Do-It-Yourself Stories from Customers like You Odor in dishwasher stuck valve in vertical tube replace check valve   Victor F. • Durham , NC • December 26, 2014

The odor in the dishwasher was due to scum buildup in the walls, the racks, and in the lower part of the drain below the lower rotating arm. One of the valves in the vertical tube was stuck in the open position; since the valves cannot be replaced, the entire tube needed replacement. The check valve probably needed no replacement, but once I opened the bottom part, I decided to replace it anyway. I used this Youtube video to replace the tube, open and clean the drainage part of the washer: ... Read more

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Dishwasher Kickplate Retainer Clip
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10503549

White retainer clip secures the kickplate at the bottom of your dishwasher. Replace if broken, cracked, missing, or lost to keep kickplate firmly attached.

Do-It-Yourself Stories from Customers like You Missing and broken parts   Jake D. • Sunnyside , NY • January 08, 2017

Repair was easy. Just slotted the new parts in and they fit and worked fine, Read more

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Dishwasher Access Panel
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10526114

Covers the lower front of your dishwasher for a finished look. Replace if cracked, broken, missing, or damaged from impact or wear and tear.

Do-It-Yourself Stories from Customers like You Missing access panel for dishwasher   Daniel A. • Wayne , NJ • May 30, 2018

Had my kitchen renovated and my contractor lost the access panel for my Whirlpool dishwasher so I had to find a replacement. Found what I was looking for at AppliancePartsPros.com, chatted with a sales customer service rep to make sure it was the correct part. Ordered it, paid for standard shipping, which said 2-3 days, it arrived at my house the next day! The part was also a genuine Whirlpool replacement part, not a generic part that "should" fit, needless to say, it fit perfectly and... Read more

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Dishwasher Panel
Genuine Whirlpool part
By: Whirlpool
Part Number: W11763736

Replacement dishwasher panel that covers and protects internal components. Install to replace a dented, cracked, worn, or missing panel piece.

Do-It-Yourself Stories from Customers like You Dishwasher was white and all of our other appliances were stainless steel   Janet H. • Sarasota , FL • February 12, 2018

Ordered front panel and panel control. Also ordered name plate (did not need) front panel already has it. My husband and I had it switched out in approx 10 minutes. Took longer to gather proper tools than it did to do the repair. Looks awesome and original! Read more

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Dishwasher Check Valve
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8268375

Fix standing water in your dishwasher bottom with a check valve replacement. Prevents backflow and improves cleaning. DIY repair in 30-60 minutes.

Do-It-Yourself Stories from Customers like You Odor in dishwasher stuck valve in vertical tube replace check valve   Victor F. • Durham , NC • December 26, 2014

The odor in the dishwasher was due to scum buildup in the walls, the racks, and in the lower part of the drain below the lower rotating arm. One of the valves in the vertical tube was stuck in the open position; since the valves cannot be replaced, the entire tube needed replacement. The check valve probably needed no replacement, but once I opened the bottom part, I decided to replace it anyway. I used this Youtube video to replace the tube, open and clean the drainage part of the washer: ... Read more

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Dishwasher Heating Element
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10082892

Fix a dishwasher that won't heat water or dry dishes properly. This heating element restores hot water cycles and sanitization. Moderate DIY repair.

Do-It-Yourself Stories from Customers like You The clean light blinking 7 times.   Kevin S. • Rochester , MN • January 14, 2023

After reviewing the other repair stories related to this "7 blinking light" syndrome, I contacted their support staff via Chat. I relayed my symptoms along with model number of dishwasher. She indicated that this would normally mean an issue with either the heating element, the high limit thermostat, or the control board. Since the control board was so expensive and (luckily) out of stock, I ordered only the heating element and the thermostat. After pulling out the dishwasher and removing... Read more

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Upper Dishrack Rail
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3385089

The Upper Dishrack Rail is an OEM replacement part for Whirlpool dishwashers. It guides upper racks in and out for easy access to dishes. 

Causes of faulty rails can include worn rollers, broken clips, or stress cracks in modules after repeated cycles. 

Symptoms of a bad upper dishrack rail include:

  • Difficulty inserting or removing the upper rack smoothly   
  • Off-track movement that impacts washing coverage
  • Detached ends or segments that compromise stability

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

Do-It-Yourself Stories from Customers like You Wheels my top dishwasher rack fell off   Paul M. • Ramona , CA • September 11, 2020

Ordered the parts and followed the instruction videos that Sears provide, Initially tried to order parts from Sears directly but the web-page kept complaining about my shipping address. Their loss- no wonder they're going out of business. Also, should note that the original assembly was plastic but the replacement was metal. Sure sign of a crappy cost-cutting decision. Overall, very happy with Appliance Parts Pros! Read more

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Filter Assembly
Genuine Whirlpool part
By: Whirlpool
Part Number: 8193918

The Filter Assembly is an OEM part for Whirlpool dishwashers. This component is responsible for trapping food particles and debris, preventing them from recirculating during the wash cycle and ensuring that dishes come out clean. 

Causes of a bad filter assembly can include accumulated debris, regular wear from repeated use, or damage from harsh cleaning agents. A compromised filter can reduce the dishwasher’s cleaning performance and lead to buildup inside the machine.

Symptoms of a bad filter assembly include:

  • Dishes not being cleaned properly
  • Unusual noises during the wash cycle
  • Slow drainage or standing water in the dishwasher
  • Visible damage or clogging of the filter

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

Do-It-Yourself Stories from Customers like You Very dirty filter in dishwasher causing brown spots on dishes.   Linda T. • Murfreesboro , TN • December 04, 2017

Replaced filter. It works great now, no more brown spots. Read more

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Dishwasher Water Level Float Lever
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10195037

Fix a dishwasher not filling with water by replacing the water level float lever. This lever regulates water levels and prevents leaks. Easy 15-minute DIY repair.

Do-It-Yourself Stories from Customers like You The dishwasher was leaking from the water level float   David C. • Whippany , NJ • January 20, 2019

Ordered 6 parts from you thanks to your fantastic web schematic parts diagram received parts very fast changed parts easily and that leak stopped. Your company is a 5* operation hands down. Read more

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Dishwasher Air Vent Gasket
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8269259

Seals the dishwasher air vent to prevent water leaks during operation. Replace if you notice dripping under the vent or wet insulation behind the panel.

Do-It-Yourself Stories from Customers like You Kitchenaid dishwasher leaking on bottom left of door   Neil D. • Centerbrook , CT • January 14, 2017

First tried replacing the seal around the door as that was the simple and most logical fix. Still leaked. Removed the front and upper panel to inspect. Found calcium deposit running down from under the Air Vent Assembly and wet behind the black stick-on insulation. Easy to trace the leak to the bottom of the door. => Ordered new Air Vent Assembly, gasket and Vent Deflector. Parts arrived. Took 5 minutes to remove upper panel. Removed the two wires from the Air Vent Assembly. Inserted a... Read more

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Dishwasher Upper Dishrack
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10350382

Replacement upper dishrack for dishwashers. Holds dishes, glasses, and utensils during wash cycles. Replace if rusted, cracked, or broken tines damage items.

Do-It-Yourself Stories from Customers like You Rusted tines on upper and lower racks   Michelle L. • Sussex , WI • October 19, 2018

Kitchen Aid dishwasher is 11 years old, and the tines have been rusting and biting the dust one by over the last few years. Rather than further destroy my dishes by abrading them with rust particles, I decided to get new racks. They are terribly expensive, and I pondered getting a new dishwasher. It wouldn't be that much more expensive. But I love mine and how well it washes. It has a stainless interior, and all of the seals are in excellent shape. I didn't need any tools. (Although I'm a... Read more

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Dishwasher Water Supply Tube
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10323424

Water supply tube channels water from the manifold to the spray arm assembly. Replace if cracked, leaking, or broken to restore proper water flow.

Do-It-Yourself Stories from Customers like You Dishwasher upper stray manifold   Edgardo A. • El Paso , TX • June 29, 2018

Easy fix. simple assembly Read more

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Dishwasher Water Level Switch Bracket
Genuine Whirlpool part
By: Whirlpool
Part Number: W10873429

Bracket that secures the water level switch in your dishwasher. Replace if cracked, broken, or damaged, causing the switch to shift out of position.

Do-It-Yourself Stories from Customers like You The dishwasher was leaking from the water level float   David C. • Whippany , NJ • January 20, 2019

Ordered 6 parts from you thanks to your fantastic web schematic parts diagram received parts very fast changed parts easily and that leak stopped. Your company is a 5* operation hands down. Read more

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Dishwasher Upper Spray Arm Support
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10571946

Supports and secures the upper spray arm in your dishwasher. Replace if cracked, broken, or detached. Clips to the bottom of the upper rack.

Do-It-Yourself Stories from Customers like You Upper tray of maytag dishwasher not washing properly   Roger K. • Waco , TX • April 23, 2017

I discovered that the manifold was not connecting with the water supply,so the dishes in the upper tray were not being washed. This was caused because the rear hanger on the manifold had broken and it did not lineup properly into the water supply connection in the back of the dishwasher. I removed the manifold and found that it had two part numbers stamped on it. I searched on both part numbers and received a hit on the second part number. The photo looked exactly like my manifold so I... Read more

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