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Lmv2257 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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Installation Hardware Kit
Genuine Lg part
By: Lg
Part Number: 3861W2A006L

The Installation Hardware Kit is an OEM part for LG microwaves. It includes all the necessary mounting brackets, screws, and other hardware components required for a proper and secure installation of the microwave. This kit ensures a safe and stable fitment, whether the microwave is being installed over the range, built into cabinetry, or mounted on the wall.

Causes of needing a new installation hardware kit can include missing or damaged components from the original kit, or requirements for a different installation type or location.

Symptoms indicating the need for a new kit include:

  • Unstable or loose microwave installation
  • Difficulty in properly aligning or securing the microwave
  • Missing brackets or hardware pieces

This OEM LG part is also compatible with some Kenmore models.

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Humidity Sensor Assembly (Microwave)
Genuine Lg part
By: Lg
Part Number: 6501W1A013A

This humidity sensor assembly monitors moisture inside the microwave cavity during Sensor Cook and Reheat cycles, allowing the control to automatically adjust time and power. Replacing a failed sensor can restore accurate, reliable sensor-based cooking performance. What it does:

  • Detects steam/humidity in the cavity for auto-sensing cook and reheat programs
  • Sends feedback to the control board to adjust power levels and cook time
  • Failure symptoms include sensor cook not starting, stopping early, "sensor" error messages, or inconsistent results on auto settings
What's included:
  • One humidity sensor assembly
Install notes:
  • Unplug the appliance before service; microwaves contain a high-voltage capacitor that can retain a dangerous charge
  • Handle the sensor face carefully and keep it clean; route and secure the wire harness as originally

Do-It-Yourself Stories from Customers like You Microwave would not microwave   Richard E. • Cape Coral , FL • January 05, 2020

Replaced the Humidity sensor, Thermistor and door switches. I replaced these thinking the problem was one of the items but didn't want to trial and error one part at a time. Plus the cost was reasonable so if these didn't help I wasn't out a lot of money. I sense the door switch was the problem. Replaced all items and the microwave works great. Thanks for the advice and the cost of the parts. Read more

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Kit Assembly
Genuine Lg part
By: Lg
Part Number: 3861W1A043C

 

Do-It-Yourself Stories from Customers like You Missing mounting bracket and hardware.   Stephen H. • Fort Myers , FL • January 01, 2021

Ordered it from you. Read more

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Turntable Coupler (Shaft)
Genuine Lg part
By: Lg
Part Number: 4370W1A006F

This turntable coupler connects the microwave's turntable motor to the glass tray, rotating it for even, consistent heating. Replace a worn or cracked hub to restore smooth tray motion and reduce noise during cooking.

  • Couples the turntable motor to the glass tray for even heating
  • Replaces a worn, cracked, or stripped hub that prevents rotation
  • Helps reduce tray wobble and scraping sounds from the center
  • Common symptoms: tray not turning, intermittent rotation, clicking/grinding at the hub
What's included: 1 turntable shaft Install notes:
  • Disconnect power before servicing; microwaves contain high-voltage components
  • Remove the glass tray and roller ring; lift the old coupler straight up from the motor shaft (some models may require access from below per instructions)
  • Align the new coupler with the keyed motor shaft and press it fully into place
  • Reinstall the roller ring and tray; verify smooth, centered rotation

Do-It-Yourself Stories from Customers like You Missing the turner for the glass tray   Susan B. • Fayetteville , PA • January 14, 2019

Ordered part and put it in Read more

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Door Handle (Refrigerator Door)
Genuine Lg part
By: Lg
Part Number: MEB42396501

Replacement door handle that restores a secure, comfortable grip and original appearance to your refrigerator door. Matches the factory fit and finish for a straightforward swap without replacing the full door. What it does:

  • Provides a sturdy, ergonomic grip for opening and closing the refrigerator door
  • Replaces cracked, loose, broken, or cosmetically damaged handles
  • Restores the original look and helps maintain normal door operation
  • Intended to use with the refrigerator's factory mounting locations and fasteners
What's included: One replacement door handle Install notes:
  • Use basic hand tools; remove any trim or access panels to reach the handle fasteners
  • Support the door while removing/installing the handle to avoid damage or misalignment
  • Retain and reuse original screws/fasteners unless new hardware is explicitly supplied
  • Refer to your model's service manual for step-by-step instructions and follow all safety precautions

Do-It-Yourself Stories from Customers like You I need the door handle, vent grill and filter.   Louis E. • Lake Worth , FL • March 12, 2022

I looked it up with your company and you had everything. Great experience! Read more

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Auxiliary Burner Holder (Cooktop Burner Base)
Genuine Lg part
By: Lg
Part Number: 4930W1A069B

This part is the base for the small simmer burner on gas cooktops. It supports the burner cap and channels gas to the flame ports to promote consistent ignition and an even, stable flame. What it does

  • Serves as the burner base for the auxiliary/simmer position
  • Aligns and supports the burner cap for even flame distribution
  • Routes gas from the orifice to the burner ports
  • Common symptoms include weak or uneven flames, difficulty lighting with a known-good spark, or a cap that won't sit flat
What's included
  • One auxiliary burner holder
Install notes
  • Disconnect power and shut off the gas supply before servicing
  • Remove the grate and burner cap; take out mounting screws and lift off the old holder
  • Transfer/reuse the orifice, igniter electrode, gasket, and hardware as applicable; seat the new holder evenly and tighten fasteners without over-torquing
  • Restore gas and power; verify proper ignition and flame

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Micro Switch (Microwave Door Interlock)
Genuine Lg part
By: Lg
Part Number: 6600W1K001D

This door interlock micro switch is part of the microwave's latch assembly. It detects when the door is fully closed so the oven only runs when latched, helping restore safe, consistent start/stop operation.

  • Senses door-latch position within the interlock assembly
  • Cuts power when the door opens; permits operation when fully closed
  • Helps resolve "won't start" complaints or stopping when the door is jostled
  • Often fixes the need to press or lift the door to keep the unit running
What's included: 1 micro switch Install notes:
  • Unplug the microwave before servicing; high-voltage components can retain a dangerous charge.
  • Access the interlock/latch bracket behind the control panel; note switch orientation and terminal labels (COM, NO/NC).
  • Transfer wires to the new switch, secure it in the bracket, and ensure the actuator aligns with the door latch.
  • Reassemble and test with a cup of water to ensure proper start/stop operation.

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Nut (Customized)
Genuine Lg part
By: Lg
Part Number: 1NZZW1A004D

This customized nut is a small fastener used to secure components inside an appliance. Replacing a stripped, rusted, or missing nut restores a tight hold, reduces vibration, and helps keep panels and brackets properly aligned.

  • Threads onto a matching screw or bolt to clamp parts together
  • Maintains alignment of panels, brackets, and internal assemblies
  • Helps prevent vibration, looseness, and rattling during operation
  • Common failure signs: missing hardware, stripped threads, or components that won't stay tight
What's included: 1 customized nut
  • Disconnect power; turn off water or gas before servicing
  • Match the thread size/pitch to the original fastener before installation
  • Hand-start threads to avoid cross-threading; tighten until snug—do not overtighten
  • Replace any worn companion hardware (screw/bolt/washer) as needed

Do-It-Yourself Stories from Customers like You AC fan motor.   Tom C. • Liberty Lake , WA • September 26, 2021

Disassembled and replaced ac motor. The hardest part was to pull the microwave out of the cabinet. Read more

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Thermostat (Microwave)
Genuine Lg part
By: Lg
Part Number: 6930W1A007P

This thermostat is a temperature-sensitive safety switch for select LG microwaves. It monitors heat at its mounting point and interrupts power when overheating is detected, helping protect internal components and restore operation once temperatures return to normal.

  • Monitors temperature at its mounting location inside the microwave
  • Opens the circuit to interrupt power when temperatures exceed its rating
  • Helps prevent heat-related damage to internal components
  • Failure symptoms include mid-cycle shutoff, no heat or no start after an overheat event, or abnormal vent/cooling fan operation
What's included: 1 thermostat Install notes:
  • Disconnect power at the outlet or breaker before servicing
  • Microwaves contain a high-voltage capacitor; discharge it properly before touching internal parts
  • Note wire positions and transfer one lead at a time; mount the thermostat firmly for accurate heat sensing
  • Inspect and replace any burnt connectors; ensure clean contact with the mounting surface

Do-It-Yourself Stories from Customers like You No power.   William R. • Jacksonville , FL • February 12, 2019

I checked for the reasons there was no power to the microwave. Then I talked with the technician at AppliancePartsPros who stated that it was most likely a blown or defective fuse. My LG microwave has two thermal fuses, a fuse assembly with two prongs and a short (1 inch) barrel type fuse. I replaced all of them after viewing YouTube videos and then reviewing the diagram for my microwave on the AppliancePartsPrps website. That was very helpful in locating where the fuses were installed. It... Read more

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Cover (Resin)
Genuine Lg part
By: Lg
Part Number: 3052W2A021C

This molded resin cover restores a clean, finished look while protecting the underlying assembly. Use it to replace a cracked or missing cover so components stay shielded and properly secured during normal operation. What it does:

  • Shields internal components and provides a finished appearance for the covered area
  • Helps keep dust, grease, and debris away from internal parts as designed
  • Replaces covers with broken tabs, cracks, warping, or missing sections
  • Common symptoms include a loose/rattling panel, poor fit, or visible damage
What's included:
  • One resin cover
Install notes:
  • Disconnect power to the appliance before servicing
  • Remove any mounting screws and/or release tabs; note the orientation for reassembly
  • Transfer reusable clips or hardware from the original cover if applicable
  • Do not overtighten fasteners to avoid cracking the plastic

This part fixes the following symptoms
  • sparking or arcing
See more...
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Screw
Genuine Lg part
By: Lg
Part Number: 4000W4A003A

This replacement screw secures specified panels or components inside your appliance. Refreshing worn or missing hardware helps restore a tight fit, reduce rattling, and keep assemblies properly aligned for reliable performance.

  • Provides secure fastening for brackets, panels, or internal assemblies
  • Replaces stripped, rusted, or lost hardware
  • Helps reduce vibration and rattling noises
  • Symptoms include loose panels, shifting components, or a screw that won't tighten
What's included: 1 screw Installation notes:
  • Disconnect power and allow any hot surfaces to cool before servicing
  • Wear cut-resistant gloves and eye protection
  • Match length and thread to the original; replace like-for-like
  • Start threads by hand to avoid cross-threading; do not overtighten

Do-It-Yourself Stories from Customers like You AC fan motor.   Tom C. • Liberty Lake , WA • September 26, 2021

Disassembled and replaced ac motor. The hardest part was to pull the microwave out of the cabinet. Read more

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Door Glass (Microwave)
Genuine Lg part
By: Lg
Part Number: 4890W1A045A

This replacement door glass restores a clear viewing window and the protective barrier on your microwave door. Replace it when the original panel is cracked, shattered, or heavily scratched to keep the door secure and safe to use.

  • Provides the see-through window and protective barrier within the microwave door
  • Helps maintain proper door rigidity and alignment when intact
  • Replace if the glass is cracked, chipped, shattered, loose, or badly scratched
  • Reduced visibility, rattling, or visible damage are common symptoms of failure
What's included: 1 door glass panel Install notes:
  • Unplug the microwave before servicing; microwaves can retain high voltage—use caution and do not open the cabinet
  • Support the door; removal from the hinges may be required per your model's diagram
  • Handle glass with cut-resistant gloves; edges can be sharp
  • Transfer any reusable trim/clips as directed and verify the door latches and closes properly after installation

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Ventilation Fan Motor (Ac)
Genuine Lg part
By: Lg
Part Number: EAU49964803

This ventilation fan motor drives the appliance's vent/cooling fan to move air through the cabinet. Replacing a failed motor restores proper airflow to prevent overheating, reduce odors, and return normal vent performance.

  • Spins the ventilation fan to exhaust or circulate air as designed
  • Helps protect controls and internal components by moving heat away
  • Common symptoms: fan won't run, runs slowly, or makes loud humming/squealing/rattling noises
  • May cause hot control areas, weak venting, or thermal shutdowns if failing
What's included: 1 ventilation motor Install notes:
  • Disconnect power at the breaker and allow the unit to cool before servicing
  • Remove the necessary rear/top/cover panels to access the motor per your model
  • Label and photograph wire connections; note shaft and rotation orientation
  • Transfer the existing fan blade and mounting hardware; verify free spin before restoring power and testing

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Shelf (Refrigerator), 1 Piece
Genuine Lg part
By: Lg
Part Number: MHL54382302

Replacement refrigerator shelf that restores usable storage space and support for food and containers. Helps keep items organized, prevents spills, and returns a stable surface after a cracked, chipped, or missing shelf. What it does:

  • Provides a flat, supportive surface for storing food, containers and small appliances
  • Replaces cracked, chipped or missing shelving to restore usable interior space
  • Helps reduce spills and keeps items from shifting when the door is opened or closed
  • Seats into the refrigerator's existing shelf supports to re-establish stable storage
What's included: One replacement shelf. Install notes:
  • Remove the old shelf per your owner's manual by lifting or sliding it out of the shelf supports
  • Handle carefully; wear cut-resistant gloves if replacing a cracked or broken glass shelf
  • Place the replacement shelf into the same supports—do not force or bend the shelf

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Truss Head Tapping Screw
Genuine Lg part
By: Lg
Part Number: 1TTL0402818

This truss head tapping screw secures panels, brackets, and covers in your appliance. Replacing a missing or damaged fastener restores a snug fit, reduces vibration, and helps keep components properly aligned for reliable performance.

  • Provides low-profile holding power; wide truss head helps secure thin panels and trim
  • Replaces lost, stripped, or corroded screws at the original mounting points
  • Helps eliminate rattling, vibration, or loose handles/covers
  • Addresses situations where a screw will not tighten or backs out during use
What's included: 1 truss head tapping screw Install notes:
  • Disconnect power; shut off water/gas if applicable before servicing
  • Align parts and hand-start threads to avoid cross-threading
  • Tighten until snug; do not overtighten to prevent stripping
  • If the receiving hole is damaged, for repair before installing the new screw

Do-It-Yourself Stories from Customers like You Broken door handle on lg over range microwave   William M. • Town Creek , AL • June 29, 2017

Removed old broken door handle per video link on AppliancePartsPro.com. Installed new handle with no issues. <10 minute job at best. Read more

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Nut Assembly (Microwave)
Genuine Lg part
By: Lg
Part Number: 4021W3A001A

This Nut Assembly is a threaded fastener used to securely hold an associated component inside the microwave. Replacing a worn, stripped, or missing nut helps reduce vibration, eliminates rattling, and keeps parts properly aligned during operation.

  • Provides a secure threaded anchor point for the matching screw/bolt
  • Helps maintain alignment and prevent vibration or rattling
  • Replaces stripped, cracked, or missing hardware
  • Addresses symptoms like loose or shifting components and recurring rattling noises
What's included: 1 nut assembly Install notes:
  • Disconnect power; if built-in, switch off the circuit breaker
  • Access the mounting location, remove damaged hardware, and install the new nut assembly
  • Avoid overtightening to prevent damage to threads or surrounding material

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