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Mdbhn455aws 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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Chopper (Assembly), 1 Count
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99002658

This chopper assembly replaces the food-chopping component in compatible countertop food processors, restoring even chopping and diced results. It helps get blades turning and keeps food processing performing as intended. What it does:

  • Spins and chops food inside the processor bowl for consistent results
  • Restores proper cutting when chopping is uneven or not happening
  • Helps eliminate food buildup that causes noisy or inefficient operation
  • Works with the existing drive coupling to transfer motor power to the blades
What's included: One chopper assembly Install notes:
  • Disconnect power and remove the processor bowl and lid before servicing
  • Handle blades carefully — they are sharp; wear cut-resistant gloves
  • Ensure the part seats fully on the drive coupling and locks into place before use
  • Test operation with small amounts of food after reassembly; stop immediately if unusual noise or resistance occurs

Do-It-Yourself Stories from Customers like You Machine was making a loud chattering vibrating sort of sound and found was due to the food chopper was worn nearly inhalf due due slipping caused by a cracked impeller   William L. • Littleton , NH • August 13, 2016

Changed the parts and the machine now is quiet and runs like new again. Read more

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$5.37
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$6.39
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Lever (Overflow Switch)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8268892

This replacement lever operates the overflow/level switch assembly to help the washer detect and respond to water level changes. It restores the mechanical action that tells the control when the tub is full. What it does:

  • Moves the overflow/level switch mechanism so the machine can sense water level correctly
  • Helps address overfilling, continuous filling, or erratic fill behavior caused by a worn or broken lever
  • Restores reliable engagement between the float/actuator and the switch
  • Works as the mechanical linkage for the overflow/level sensing assembly
What's included: One replacement lever for the overflow/level switch assembly. Install notes:
  • Disconnect power and turn off the water supply before beginning service.
  • Access typically requires removing the cabinet or control console; keep fasteners organized.
  • Install the lever so it aligns with the switch actuator and float linkage; verify smooth movement after assembly.

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$36.36
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$42.90
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Panel-Toe
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8573287

Color: White

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$76.40
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Holder
Genuine Whirlpool part
By: Whirlpool
Part Number: W10199809

 

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$10.64
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Wheel Installation (Leg)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8269831

This replacement wheel installation leg restores mobility and stable support for appliances that use a leg-mounted rolling wheel. It provides a direct-fit restore of worn or damaged legs to help move and position the appliance safely. What it does

  • Replaces a damaged or worn wheel-style leg that supports and helps roll the appliance
  • Restores smooth rolling and stabilizes appliance during movement
  • Helps resolve symptoms like a broken/collapsed leg, stuck wheel, or uneven appliance height
  • Matches OEM form and fit for direct replacement when the original leg/wheel is worn
What's included
  • One wheel installation leg
Install notes
  • Turn off and unplug the appliance and remove contents or shelves as needed before working underneath
  • Use basic hand tools; avoid forcing components—reuse existing fasteners

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$5.95
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Bracket, Manifold Mounting (Mounting Bracket)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99002643

This manifold mounting bracket secures the gas manifold assembly to the appliance frame, keeping fuel lines and related components aligned for reliable operation. It's a direct-fit replacement that restores proper manifold support. What it does:

  • Holds the gas manifold in the correct position to prevent strain on connections and lines
  • Helps maintain stable alignment of valves and supply tubing to reduce leaks and intermittent flow
  • Addresses symptoms like a loose or rattling manifold assembly or visible bracket damage
  • Restores proper mounting after impact or corrosion-related bracket failure
What's included:
  • One manifold mounting bracket
Install notes:
  • Install only with the appliance powered off and gas supply completely shut; follow local codes
  • Match bracket orientation to the original and secure with manufacturer-specified fasteners
  • Inspect nearby tubing, fittings and valve mounts for damage when replacing the bracket

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$10.95
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$13.08
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Filter Guard (Filter Plate)
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10166788

A filter guard that helps keep debris away from the wash pump and drain area, protecting the pump and improving drain performance. Simple replacement for worn or damaged filter housings. What it does:

  • Covers and protects the dishwasher's lower filter area to help prevent large debris from entering the pump
  • Helps reduce clogs and poor drain performance caused by food or loose items
  • Maintains proper water flow through the filter assembly for more reliable operation
  • Works as a replacement for a cracked, warped, or missing filter guard that leaks or allows debris through
What's included: One filter guard Install notes:
  • Disconnect power to the appliance before any service to avoid shock or injury
  • Remove the lower rack and existing filter assembly to access the guard
  • Inspect adjacent filter parts for wear; replace damaged components to ensure proper sealing
  • Hand-tighten or seat parts as directed by the OEM; avoid forcing or overtightening plastic components

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$16.95
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Pushnut (Stainless)
Genuine Whirlpool part
By: Whirlpool
Part Number: 99002756

A stainless pushnut used to secure shafts, studs, or small components with a quick, push-on retainer that resists corrosion. Keeps parts fastened without threading or additional hardware for a clean, low-profile fit. What it does:

  • Acts as a push-on retaining nut to hold shafts, studs, or fittings in place
  • Provides a corrosion-resistant stainless finish for wet or high-humidity areas
  • Prevents components from sliding off axles or posts during normal operation
  • Commonly used on control shafts, knobs, or small internal assemblies
What's included: One stainless pushnut. Install notes:
  • Turn power off and unplug appliance before servicing to avoid shock or injury
  • Push onto the post or shaft until fully seated; a firm press or light tap may be required
  • Use appropriate hand tools or pliers with protection to avoid damaging the part
  • Replace with identical part number to ensure fit and function

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$42.95
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Support
Genuine Whirlpool part
By: Whirlpool
Part Number: 6-916824

 

Do-It-Yourself Stories from Customers like You Lower wash arm rotating slowly   Ron G. • Wharton , TX • January 16, 2017

Found that the lower wash arm was rotating slowly due to Hard Water build up. Prior to replacement ran an empty load using CLR in-order to breakdown the Lime and Calcium build up. Once that was completed and rinsed (several cycles) completely, I was able to install the parts in less than 5mins. and now the Dishwasher is like new, being a 10yr. old unit. Ron Read more

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$33.95
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Bracket- D
Genuine Whirlpool part
By: Whirlpool
Part Number: 6-918900

 

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$11.56
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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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$102.95
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Floor Mount Kit
Genuine Whirlpool part
By: Whirlpool
Part Number: 8171477

 

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$31.95
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Bezel, Door Vent
Genuine Whirlpool part
By: Whirlpool
Part Number: 99002590

 

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$48.34
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Clip, Upper Wash Manifold
Genuine Whirlpool part
By: Whirlpool
Part Number: 99002945

Back

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$15.60
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Lever, Motor Mount
Genuine Whirlpool part
By: Whirlpool
Part Number: 99003056

 

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$7.95
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Clip, Upr Wash Manif
Genuine Whirlpool part
By: Whirlpool
Part Number: 99003071

 

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$14.95
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$17.79
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