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Jmv1850m4bb 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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Rotating Ring Assm.
Genuine Lg part
By: Lg
Part Number: 5889W2A015K

 

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$31.14
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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 Screw
Genuine Lg part
By: Lg
Part Number: 1TTL0402416

Mounting screw for microwave installation and panel assembly. Replace if stripped, missing, or damaged during maintenance. Essential hardware component.

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Screw
Genuine Lg part
By: Lg
Part Number: 1TTL0403418

 

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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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Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: 4344826

 

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

 

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Fan
Genuine Lg part

Fan

By: Lg
Part Number: 5900W1A004C

 

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Microwave Ventilation Fan Motor
Genuine Samsung part
By: Samsung
Part Number: DE31-00028X

Fix weak or noisy microwave ventilation with this AC fan motor. Common solution when exhaust fan stops working or runs slowly. Moderate DIY repair.

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$192.95
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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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Blade
Genuine Samsung part
By: Samsung
Part Number: DE66-00127A

 

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Microwave Stirrer Cover Rivet
Genuine Whirlpool part
By: Whirlpool
Part Number: WP4359508

Secures the stirrer cover to the ceiling of your microwave cavity. Replace if rivets have fallen out, broken, or gone missing to keep the cover firmly attached.

Do-It-Yourself Stories from Customers like You Turn table wasn't turning.   Robert L. • Moreno Valley , CA • July 28, 2017

Tenants in my rental property broke the turntable support hub then tried to fix it with Scotch Tape (bad idea!). Found your site after a quick part search. Found the item in your catalogue effortlessly, ordered the part and it came in a day or two. Ordered a new stirrer window as well . Microwave unit works just fine. I know where to come the next time I need parts! Read more

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Microwave Charcoal Filter
Genuine Whirlpool part
By: Whirlpool
Part Number: WP53001442

Charcoal filter removes odors during recirculation mode. Replace every 6-12 months or when odors persist. Located behind front grille. Verify fit.

Do-It-Yourself Stories from Customers like You Thermistor on micro wave   Michael S. • Suwanee , GA • January 03, 2015

I ordered the part (plus a couple general maintenance items). They arrived the next day - I was shocked! We fixed the unit and we were up and running in less than a day of the order. Great service. Read more

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$30.54
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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
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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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  • Over 2.1 Million Parts In Stock Over 2.1 Million Parts In Stock
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