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Mdb324039gx 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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Guard, Filter
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99001796

Color: Gray

Do-It-Yourself Stories from Customers like You The guard filter had broken tabs for maytag dishwasher   Catherine S. • Bethel , CT • January 16, 2016

I watched the video first, then I exchanged the new guard filter and lower washer arm parts and it was done. I am glad I watched the video to know that I had to retain the end shields. I probably would have discarded them if I had not watched the video. . Saved myself a service call fee. The parts arrived in 3 days which was nice. . Read more

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Wire Tie
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10339879

 

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$5.95
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Harness Elbow
Genuine Whirlpool part
By: Whirlpool
Part Number: 3376405

 

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Insert
Genuine Whirlpool part
By: Whirlpool
Part Number: W10133193

 

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Switch Holder (Mounting Bracket)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99002240

This switch holder secures a small appliance switch or actuator in the correct position so the control can detect and respond reliably. Replacing a cracked or broken holder restores consistent switch alignment and helps prevent intermittent operation. What it does:

  • Holds the switch or actuator steady in the correct position for reliable electrical contact and activation
  • Keeps the switch aligned so buttons, door/lid actions, or control functions register properly
  • Common symptom: appliance function won't engage or is intermittent when the switch is loose or the holder is damaged
  • Prevents further wear on the switch by keeping it from shifting or rubbing against surrounding parts
What's included: One switch holder. Install notes:
  • Disconnect power (unplug or shut off breaker) before servicing the appliance
  • Remove the control panel or access panel to reach the holder; keep small clips and screws organized
  • Inspect the switch and actuator for damage while replacing the holder; replace any damaged mating parts

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Track, Rack (Rack Slide)
Genuine Whirlpool part
By: Whirlpool
Part Number: WPY912545

This replacement rack track restores smooth, stable rack movement and keeps the oven rack aligned while sliding in and out. It helps prevent rack sagging, binding, or uneven travel so food and cookware stay level and secure. What it does

  • Guides and supports the oven rack so it slides in and out smoothly.
  • Prevents racks from sagging, tipping, or binding when pulled forward.
  • Restores proper rack alignment to reduce scraping, catching, or loud banging.
  • Works with standard oven/range racks that use a molded metal/plastic track system.
What's included One rack track. Install notes
  • High-level swap: remove the oven racks, unfasten the old track, and secure the replacement in the same mounting locations.
  • Use appropriate hand tools and avoid forcing parts; aligning the track before tightening fasteners reduces binding.
  • Disconnect power to the appliance or follow the manufacturer's safety guidance if servicing components near electrical connections.

Do-It-Yourself Stories from Customers like You Upper rack of dishwasher was not pulling out smoothly   Douglas L. • Bellaire , TX • March 03, 2015

Ordered new frame, wheels and SS slide for the bad side. Job was done in 10 minutes and the rack now works smoothly. Read more

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Nozzle, Jump Up
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99001787

Color: Gray

Do-It-Yourself Stories from Customers like You Our dishwasher was not cleaning the dishes no water pressure it seemed   Melissa F. • Falls Church , VA • June 06, 2015

I looked in the bottom of the dishwasher and saw that the center piece of the water wheel had somehow come loose. That center piece was lodged under the heating element and was now somewhat beaten and melted. We looked on line for an illustrated parts breakdown and found it on Appliance Parts Pros website. The diagram was so clear and straight forward that it was easy to see the part that we needed and another part (when we looked) we also found missing. Well, 3 days later the parts came in... Read more

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Bearing (Single)
Genuine Whirlpool part
By: Whirlpool
Part Number: 3371746

This bearing helps the appliance's rotating assembly turn smoothly and reduces metal-on-metal wear for quieter, more reliable operation. Replace a worn bearing to address noise and movement issues that affect performance. What it does:

  • Supports the drum or tub shaft so it rotates with minimal friction
  • Reduces grinding, rumbling, or squeaking noises from the rotating assembly
  • Helps prevent excessive wobble or vibration during spin cycles
  • Limits metal wear that can lead to leaks or further component damage
What's included: One bearing (quantity: 1) Install notes:
  • Disconnect power and water before starting work
  • Inspect surrounding seals, shafts, and mounting surfaces for wear while replacing the bearing
  • Use correct tools and replacement hardware; follow OEM instructions for torque and alignment

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Outlet, Snap (Snap-In Connector)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP912680

This snap-in outlet connector secures wiring to an appliance control or harness and restores a reliable electrical contact. Designed for a direct, tool-assisted snap fit, it helps eliminate loose or intermittent connections. What it does:

  • Provides a secure snap-in electrical connection between wiring and the appliance harness or control
  • Restores power flow when a worn or damaged outlet causes intermittent operation or no power
  • Prevents arcing and poor contact that can result from loose terminals
  • Matches OEM fit for straightforward replacement when the original snap outlet is broken or missing
What's included: One outlet snap connector as shown Install notes:
  • Disconnect power to the appliance before inspecting or replacing electrical parts
  • Remove access panels as required to reach the outlet; replacement typically snaps into place
  • Verify correct orientation and full seating of the connector to ensure a solid contact
  • If corrosion or wiring damage is present, replace or repair wiring per OEM guidance

Do-It-Yourself Stories from Customers like You Upper spray kept falling off when using dishwasher   Robert P. • Cincinnati , OH • December 09, 2016

I was unable to remove the screwed snap outlet, therefore only replaced the upper spray arm and the wash arm retaining clip. This fixed the problem. It would have been helpful if a tip were given as how to remove the screwed in outlet snap nut. Read more

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Drain Hose (Flexible), 1
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99001782

This flexible drain hose routes wastewater from the appliance to the household drain so your appliance can empty properly. Durable, service-ready replacement that restores proper draining and helps prevent backups. What it does

  • Carries wastewater from the appliance pump to the household drain line.
  • Restores drainage when the original hose is cracked, clogged, kinked, or leaking.
  • Helps eliminate standing water, slow drains, and related error codes tied to poor drainage.
  • Works with standard hose clamps and common drain fittings used on compatible appliances.
What's included One replacement drain hose. Install notes
  • Always disconnect power to the appliance and turn off water supply before servicing.
  • Inspect hose routing and clamps; replace clamps if corroded or damaged.
  • Avoid sharp bends and kinks when routing the hose; secure with clamps or ties as needed.
  • After installation, run a short drain cycle and inspect for leaks before returning the appliance to regular use.

Do-It-Yourself Stories from Customers like You Leaking hose upper spray arm and drain hose replacement   Elizabeth D. • Afton , VA • May 19, 2015

Removed dishwasher to replace spray arm pine--I replaced washer on pipe, too, and would recommend doing this just on principal. Removing dishwasher requires disconnecting power, water, and drain line--tools will vary depending on connections. i replaced drain line because original install was not done correctly--hose too short--You could probably do just this w/o pulling unit. All parts arrived very quickly and fit correctly. Read more

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Power Supply Cover
Genuine Whirlpool part
By: Whirlpool
Part Number: 300068

 

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Heater Support (Heater Bracket)
Genuine Whirlpool part
By: Whirlpool
Part Number: 3379740

This heater support secures the dryer heater assembly so it stays aligned and stable during operation, helping maintain proper airflow and heating performance. It's a direct-fit replacement designed to restore correct heater positioning. What it does:

  • Holds the heater assembly in place to prevent shifting or contact with other components
  • Helps maintain proper airflow path for efficient drying and consistent heat
  • Reduces rattling, rubbing, or intermittent heating caused by a loose heater
  • Works with the heater housing and mounting points to keep electrical and thermal parts separated
What's included: One heater support Install notes:
  • Refer to the dryer's service manual or parts diagram for correct placement and orientation
  • Disconnect power before starting work to avoid electrical shock
  • Inspect surrounding clips, screws, and the heater assembly; replace any damaged fasteners

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$39.95
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Inner Door Panel
Genuine Whirlpool part
By: Whirlpool
Part Number: 6-915876

 

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Screw- Han
Genuine Whirlpool part
By: Whirlpool
Part Number: 61002031

 

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Accessories Side Panel Kits (Black)
Genuine Whirlpool part
By: Whirlpool
Part Number: 675775

 

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Appliance Touch Up Paint
Genuine Whirlpool part
By: Whirlpool
Part Number: 799344

Color: White. Size: 1 qt. can. Acrylic appliance paint.

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  • boxes images Over 2.1 Million Parts In Stock
  • time delivery images 2 Day Quick Delivery!
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