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Wdf320pad40 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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Pump And Motor Assembly (Dishwasher)
Genuine Whirlpool part
By: Whirlpool
Part Number: W10837026

This dishwasher pump and motor assembly circulates wash water through the tub and spray arms during the cycle. Replacing a worn or failed unit restores strong spray pressure, quieter operation, and consistent cleaning performance. What it does:

  • Circulates wash water through the spray arms and filtration system
  • Maintains water pressure for effective cleaning throughout the cycle
  • Can help with symptoms such as no spray/poor cleaning, loud humming or grinding from beneath the tub, or a cycle that stalls due to a non-running wash motor
What's included:
  • 1 pump and motor assembly
Install notes:
  • Disconnect power and water supply before servicing; use gloves to protect hands
  • Remove the toe panel/kickplate and access the pump from the bottom of the dishwasher
  • Place towels or a shallow pan to catch residual water; release hose clamps carefully
  • Ensure seals seat properly and clamps are secure; run a test cycle and check for leaks

Do-It-Yourself Stories from Customers like You The return pump, there was no water going through the sprayers onto the dishes   Estelle P. • Broad Brook , CT • December 03, 2019

Replaced the pump Read more

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Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: WP489069

Size: 1/4 inch hex head, 10-12 x 1/2 inch.

Do-It-Yourself Stories from Customers like You Broken handle foot pedal and missing parts   Donald M. • Lake Arrowhead , CA • April 05, 2015

This trash compactor is in our vacation home. We never use it and now we are selling the house. When I looked to replace it I was amazed at how expensive a new compactor would cost. I found the serial number on the current compact entered it and your web site came up. Your schematics were excellent and made the repair very easy! Read more

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Sump And Seal (Dishwasher)
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10482462

This dishwasher sump and seal forms the watertight basin at the bottom of the tub and seats the wash and drain pumps. Replace a cracked sump or worn seal to stop leaks and restore reliable wash performance. What it does:

  • Collects and channels wash water to the circulation and drain pumps
  • Maintains a watertight seal between the tub and the sump opening
  • Helps maintain proper wash pressure and flow
  • Common failure signs: water leaking from the base, visible cracks or warping, recurring moisture beneath the unit, poor cleaning results
What's included:
  • One sump assembly with seal
Install notes:
  • Disconnect power and shut off the water supply before servicing; use towels to catch residual water
  • Remove the toe panel and slide the dishwasher out for access to the sump area
  • Detach hoses/wiring as needed; release locking tabs and lift out the old sump
  • Seat the new seal evenly, transfer any reusable hardware/components from the original sump, and test for leaks after reassembly
Also known as: sump base, sump housing

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Dishrack Repair Kit
Genuine Whirlpool part
By: Whirlpool
Part Number: 4396840RC

Includes vinyl rack repair touch up paint and tine tip covers. Color: Grey

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Drain Hose
Genuine Whirlpool part
By: Whirlpool
Part Number: 3385556

12 Ft in length

Do-It-Yourself Stories from Customers like You Mice chewed the drain hose and power cord   Noah C. • Eastsound , WA • February 16, 2015

Read directions on how to change the power cord and watched video on your site on how to change the drain hose. Everything went perfectly. Read more

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Seal
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8269296

Located between the console and door

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Dishwasher Installation Kit
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10292152

Includes two screws, two clamps, and undercounter mounting brackets.

Do-It-Yourself Stories from Customers like You Missing the top mounting brackets   Jeff G. • Dallas , GA • November 04, 2018

Added brackets Read more

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Insulation Pad
Genuine Whirlpool part
By: Whirlpool
Part Number: W11126003

This insulation pad installs in the factory location to isolate and cushion components or panels. It helps reduce vibration and limit unwanted heat transfer, supporting quieter operation and proper performance where the original pad was installed.

  • Provides a thermal and acoustic barrier between parts or panels
  • Helps minimize vibration and rattling noises
  • Restores proper spacing/cushioning when the original pad is missing or deteriorated
  • Replace if the pad is brittle, compressed, contaminated, or falling off
  • Common signs include increased noise or rattles and localized hot spots or condensation
What's included: One insulation pad
  • Disconnect power (and gas/water, if applicable) before servicing
  • Allow hot or cold surfaces to return to a safe temperature
  • Note the original pad's location/orientation; remove old pad and clean the surface
  • Install the new pad in the same spot without over-compressing; secure per the original method and verify clearances
Also called: PAD-INS (insulation pad) in OEM parts lists

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Overfill Protector Housing (Dishwasher)
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10316267

This overfill protector housing mounts in the dishwasher tub floor to guide the overfill float and position the switch actuator. Replacing a damaged housing helps stop leaks at the float opening and restores proper overfill protection.

  • Guides the overfill float at the tub floor so it moves freely
  • Allows the float to engage the overfill switch and stop water fill at high level
  • Restores proper fit if the original housing is cracked, warped, or missing
  • Typical symptoms include leaking near the float, overfilling, or inconsistent fill levels
What's included: 1 overfill protector housing
  • Disconnect power and shut off water supply before servicing
  • Remove the toe panel and lower rack to access the float area
  • You may need to lift out the float and remove the under-tub switch bracket to replace the housing; note part orientation
  • After reassembly, run a brief fill and check for leaks at the float opening

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Touch Up Paint
Genuine Whirlpool part
By: Whirlpool
Part Number: 4392899

Bottle with brush. Color: Biscuit paint. It's point-six fluid ounces.

Do-It-Yourself Stories from Customers like You Lack of accurate control on 2 electric range burners   Jeff D. • Neenah , WI • April 09, 2016

Ordered 2 infinite burner controls from Appliance Parts Pros and watched the online video on the replacement of them at the same time. When they arrived promptly, I was ready to take on the job. The fix only took about 15 minutes because I was prepared after watching the video. Read more

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Wheel & Mount Assembly
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8270016

Used on the upper dishwasher dishrack.

Do-It-Yourself Stories from Customers like You Broker upper wheel & mount assembly   Chris R. • Boulder , CO • December 16, 2016

The video on AppliancePartsPro is not for the part I ordered. After searching a bit I learned that I needed a 3/16" hex driver to remove the two screws that hold the assembly to the washer. After that it was easy. Just remove the two screws, take off the old one and attach the new one. Easy. Read more

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Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10348413

This replacement screw secures appliance panels and components so they stay tight and aligned. Replace a missing, rusty, or stripped fastener to restore a solid hold and reduce vibration or rattling during operation. What it does:

  • Fastens and secures panels, brackets, trim, or internal components as specified for your model
  • Replaces missing, corroded, or stripped hardware to restore a proper fit
  • Helps prevent vibration, rattling, and misalignment caused by loose fasteners
  • Addresses issues like a loose panel/handle or a screw head that's rounded off
What's included:
  • 1 screw
Install notes:
  • Disconnect power; if applicable, shut off gas and water before servicing
  • Use the correct driver size; start by hand to avoid cross-threading
  • Tighten snugly—do not overtighten into plastic or thin sheet metal
  • Keep track of original screw locations and lengths during reassembly

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Dishwasher Rack Repair Kit (White)
Genuine Whirlpool part
By: Whirlpool
Part Number: 4396838RC

Restore worn dishwasher racks and help prevent rust stains on dishes. This white rack repair kit covers chipped or exposed rack tines and caps bare metal to reduce corrosion and extend the useful life of your racks.

  • Re-coats rusted or chipped vinyl on rack tines to help stop corrosion
  • Caps exposed tips to reduce rust transfer, scratching, and snags
  • Useful when tine caps are missing or the rack coating is flaking
  • Common symptoms: rust on tines, stained dishes, sharp/rough tine ends
What's included: One white rack repair kit. Install notes:
  • Disconnect power and remove the rack before repair
  • Clean and dry affected areas thoroughly before applying coating
  • Apply in a well-ventilated area; allow full cure time before using the dishwasher
  • Replace the rack if metal is severely corroded or broken

Do-It-Yourself Stories from Customers like You Old rusty lower dishrack tines   John N. • Alamogordo , NM • January 11, 2016

Replaced it with the modern replacement you provided. Now I have a repair kit, spare rollers, a foldable rack of tines and all the related parts put back for repair if necessary. A win win scenario. Thanks for all you do. :>) Read more

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Insulation Pad (Cabinet Insulation)
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10746770

Insulation pad that fits behind appliance panels to restore thermal protection and reduce noise. Replacing a damaged or missing pad helps protect nearby wiring and components from heat and can reduce vibration-related rattling. What it does:

  • Provides thermal insulation to help limit heat transfer to adjacent panels and components.
  • Dampens vibration and reduces rattling or buzzing caused by loose or worn insulation.
  • Protects wires, connectors and plastic parts from excess heat when installed correctly.
  • Common symptom: missing, torn, or deteriorated pad with increased exterior heat or noise.
What's included: One insulation pad. Install notes:
  • Disconnect power to the appliance before servicing to avoid shock or injury.
  • Remove access panels as needed; position the pad flat against the cabinet surface or mounting area.
  • Use original clips/adhesive or manufacturer-recommended fasteners to secure the pad; avoid covering vents or controls.

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Screw (8-32 Thread)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP3400892

Replacement 8-32-thread screw used to secure panels, brackets and small components in compatible household appliances. Restores missing or stripped fasteners so panels and parts stay firmly attached during normal use. What it does:

  • Secures trim, panels, brackets and control housings to maintain proper assembly.
  • Replaces missing or damaged screws that can cause rattling, loose panels or misaligned components.
  • Fits locations that require an 8-32 threaded fastener; correct length and head style for your application.
  • Helps restore stable, vibration-free operation when worn or stripped fasteners are replaced.
What's included: One screw. Install notes:
  • Disconnect power and water before servicing; wear eye protection and gloves.
  • Use the correct screwdriver or driver bit to avoid stripping the screw head.
  • Do not overtighten—turn until snug and secure to avoid damaging threads or surrounding parts.
  • If the original used a washer or nut, reuse or replace as needed and the screw length and head type match the original.

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Float Assembly (Overfill Protector)
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10345285

This float assembly sits in the dishwasher tub and rises with incoming water to signal the float switch to stop filling. Replacing a worn or sticking overfill protector restores proper water level control and helps prevent overfilling and leaks.

  • Monitors water level by floating upward as the tub fills
  • Triggers the float switch to shut off the inlet valve at the correct level
  • Helps prevent overfilling and potential leaks
  • Helps with: won't fill or stops filling early, water level too high, float sticks or is visibly damaged
What's included: 1 float assembly Install notes:
  • Disconnect power and shut off the water supply before servicing.
  • Remove the lower rack to access the float inside the tub.
  • Lift the old float straight up; on some models a retainer under the tub must be released to remove it.
  • Transfer any existing hardware if needed, install the new float, ensure free movement, then restore power and test for proper fill.

Do-It-Yourself Stories from Customers like You The float on the in the dishwasher was broken   Huong P. • Fayetteville , NC • December 03, 2018

Pop out the old float put the new one in Read more

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