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Mmv520bws-1 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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Main Damper Assembly (Air Control)
Genuine Whirlpool part
By: Whirlpool
Part Number: WPDE72-40022A

This main damper assembly regulates airflow between compartments to help maintain proper refrigerator temperatures. It replaces a worn or stuck damper to restore controlled air delivery for more consistent cooling performance. What it does:

  • Controls the amount of cold air flowing from the freezer into the fresh-food compartment
  • Helps stabilize internal temperatures when opening/closing doors or during mode changes
  • Commonly fails by sticking open or closed, causing warm fresh-food temps or overcooling
  • Works with the refrigerator's control system to modulate airflow based on demand
What's included: One main damper assembly as shown Install notes:
  • Disconnect power before beginning any service to avoid electrical shock
  • Handle the damper flap and cable/gear gently to prevent damage during installation
  • Inspect surrounding seals and mounting points; secure all fasteners and reconnect any harnesses
  • After installation, restore power and verify proper operation across temperature settings

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$28.95
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Microwave Cabinet Wrapper
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10245176

Outer cabinet wrapper panel for microwave ovens. Encloses internal components and provides structural support. Replace if cracked, dented, or damaged.

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$116.66
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Screw (Fastener)
Genuine Lg part
By: Lg
Part Number: 4B70188C

This is a replacement screw used to secure appliance components and panels. It restores proper fastening where a stripped, missing, or damaged screw causes loose parts or rattling. What it does:

  • Fastens panels, trim, or internal components to maintain structural fit
  • Helps stop vibration-related noise from loose assemblies
  • Replaces missing or corroded screws that prevent proper closures
  • Restores secure mounting after repairs or disassembly
What's included: One screw Install notes:
  • Use the correct screwdriver or bit to avoid stripping the head
  • Tighten until snug—do not over-torque to prevent thread damage
  • Keep small parts away from children and pets
  • Disconnect power or water before accessing internal parts

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$10.58
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Microwave Mounting Plate
Genuine Whirlpool part
By: Whirlpool
Part Number: W11381953

Secures internal microwave components for quiet operation and proper alignment. Replace if bent, damaged, or causing rattling to restore stable fit.

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$44.24
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Microwave Mounting Screw
Genuine Lg part
By: Lg
Part Number: 1TTL0403818

Replacement mounting screw for microwave installation and assembly. Use when original screws are lost, stripped, or damaged during service or relocation.

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$10.58
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Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: 4344826

 

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$12.16
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Holder Assembly
Genuine Lg part
By: Lg
Part Number: 4931W1A009A

 

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Microwave Wire Harness
Genuine Whirlpool part
By: Whirlpool
Part Number: W10539840

Wire harness for microwaves and microwave/hood combos. Replaces damaged, frayed, or disconnected wiring assemblies. Essential for restoring connections.

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$16.62
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Microwave Fixed Thermostat
Genuine Whirlpool part
By: Whirlpool
Part Number: W10864742

If your microwave overheats or the vent fan runs constantly, this fixed thermostat may need replacement. Controls heating and safety shutoff.

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$53.21
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Power Cord Assembly
Genuine Lg part
By: Lg
Part Number: 6411W1A039L

 

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Microwave Door Handle
Genuine Whirlpool part
By: Whirlpool
Part Number: W10259244

White plastic handle that attaches to the microwave door exterior. Replace if cracked, broken, or missing. Installs with screws behind inner door trim.

Do-It-Yourself Stories from Customers like You Handle was busted at the lower end   Hayden S. • Palmetto , FL • July 27, 2015

Replaced it. The instructions did not come with the Handle and a picture I had of the parts did not tell me. I used a putty knife to removed the ring around the door and once that was off could see where the rest of the door was held in with snaps. Using the putty knife again I moved the rest of the door, to expose the handle. Unscrew the screws holding the handle placed the new one on and re-screwed it. Snapped the inter door back on and than added the frame trim back on. Putting it back... Read more

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Microwave Turntable Drive Motor
Genuine Samsung part
By: Samsung
Part Number: DE31-10172C

Turntable not rotating or making rumbling noise? This drive motor restores smooth rotation. DIY-friendly repair—remove 5-6 screws from bottom panel.

This part fixes the following symptoms
  • Noisy
  • Tray won't turn
See more...
Do-It-Yourself Stories from Customers like You Turntable on samsung microwave was no longer functioning   Charles R. • Chapel Hill , NC • April 21, 2018

Opened up hinged bottom of microwave and saw that the old motor had come loose from its secure position. I decided to replace the old motor with the new one and secured it into place, which was very simple--just a matter of unplugging the old motor's connection; plugging in the new one; securing the motor in place with one screw; closing up the hinged bottom; putting in the new coupler; and checking to see if it works. It did! Read more

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$72.95
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Microwave Turntable Motor
Genuine Samsung part
By: Samsung
Part Number: DE31-10173A

Turntable not rotating or making noise? This microwave motor drives smooth turntable rotation. Common fix when the plate stops turning or pauses.

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$50.28
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Microwave Door
Genuine Whirlpool part
By: Whirlpool
Part Number: W10286831

Color: White

Do-It-Yourself Stories from Customers like You Cracked grill vent and door   Wayne E. • Marsons Mills , MA • March 15, 2020

Ordered door, grill vent, upper light bulb, and charcoal filter. Parts came very quickly, 1 or 2 days. Easy repair and microwave looks and works great. Read more

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Capacitor (Start/Run)
Genuine Lg part
By: Lg
Part Number: 0CZZW1M001C

This is a motor start/run capacitor that helps the appliance's motor start and run smoothly by supplying a brief boost of electrical energy. Replacing a failing capacitor restores reliable motor startup and operation. What it does:

  • Provides the brief electrical surge needed to start and keep the motor running
  • Commonly linked to motors that hum, fail to start, or run intermittently
  • Helps prevent overheating from repeated start attempts when functioning properly
  • Works with the appliance's start circuitry to ensure consistent performance
What's included: One capacitor as shown on the product page Install notes:
  • Disconnect power to the appliance before accessing electrical components
  • Discharge the capacitor and use insulated tools
  • Observe polarity/terminal layout and secure connections to factory specifications
  • Dispose of the old capacitor according to local electronic-waste regulations

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$30.95
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Screw, Tap-Tite (Binding Head)
Genuine Lg part
By: Lg
Part Number: 1SBF0402418

A Tap-Tite binding-head screw used to fasten appliance panels and components where a self-tapping metal thread is required. Replaces missing or damaged fasteners to restore secure assembly and reduce vibration or rattling. What it does:

  • Creates its own mating thread in thin sheet metal for a secure hold without a nut.
  • Holds panels, brackets, and trim in place to prevent looseness or movement.
  • Commonly used where stripped, missing, or broken screws cause rattling, misalignment, or parts that won't stay attached.
  • Compatible with standard screwdrivers or nut drivers sized to the binding-head.
What's included: One Tap-Tite binding-head screw Install notes:
  • Disconnect power and unplug the appliance before working on it.
  • Use the correct driver bit to avoid cam-out or head damage.
  • Start straight and apply steady pressure; avoid overtightening to prevent stripping the formed threads.
  • If the original hole is badly damaged, assess for repair or use of a larger fastener as needed.

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$11.95
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