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Lmhm2017sb 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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Mounting Plate (Microwave)
Genuine Lg part
By: Lg
Part Number: 3300W0A030A

This mounting plate is a metal bracket used to secure the microwave chassis/components in the correct position. A worn or damaged plate can cause poor fitment, vibration, or noise during operation.

  • Provides a stable mounting surface for the designated microwave assembly
  • Helps reduce vibration and rattling noises
  • Restores proper alignment if the original plate is bent or broken
  • Commonly replaced when the original plate is damaged or missing
What's included: One mounting plate. Install notes:
  • Unplug the appliance and discharge the high-voltage capacitor before servicing a microwave
  • Use proper personal protective equipment; metal edges can be sharp
  • Note orientation and fastener locations before removal
  • Tighten mounting hardware evenly to avoid distortion

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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Rivet Assembly (Microwave)
Genuine Lg part
By: Lg
Part Number: 4051W3A001A

This rivet assembly fastens panels, brackets, or covers inside the microwave cabinet. Replacing a damaged or missing fastener restores a tight fit, reduces vibration noise, and keeps mounted components properly aligned.

  • Secures panels, brackets, or covers to the cabinet for a stable fit
  • Use when a rivet is cracked, missing, or no longer holds
  • Can help resolve rattling, buzzing, or loose panel movement
  • Maintains proper alignment and support of mounted parts
What's included: One rivet assembly. Install notes:
  • Disconnect power before servicing; support and remove over-the-range/built-in units for safe access.
  • Microwaves contain a high-voltage capacitor that can retain a dangerous charge—service should be performed by qualified personnel.
  • Reinstall using existing mounting holes; ensure the rivet is fully seated and secure.
  • Wear cut-resistant gloves and eye protection to avoid injury from sharp metal edges.

Do-It-Yourself Stories from Customers like You The top fan cover snapped off   Eric T. • Lake Zurich , IL • April 11, 2015

The replacement parts fit very well. It took me about 2 minutes to fix. Read more

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Lamp Socket
Genuine Lg part
By: Lg
Part Number: 6620G00007B

This replacement lamp socket holds the light bulb and provides a stable electrical connection so your appliance light works reliably. Replace a heat-damaged or loose socket to restore consistent illumination and help prevent flicker, arcing, and premature bulb failure.

  • Secures the bulb and connects it to power
  • Restores proper interior or work-area lighting
  • Addresses flickering, intermittent light, or bulbs failing early from poor contact
  • Replaces sockets that are cracked, melted, or discolored
What's included: 1 lamp socket
  • Disconnect power at the breaker or unplug before servicing
  • Allow the area to cool; wear gloves and safety glasses
  • Note wire positions and transfer one lead at a time to the new socket
  • If servicing a microwave, access only the lamp area per your model instructions; do not open the cabinet—internal components can retain high voltage

Do-It-Yourself Stories from Customers like You The light under our lg over the range microwave was not bright enough   William W. • Alvarado , TX • April 26, 2016

Added an additional light socket to the existing reflector. Changed the original 40 watt incandescent bulb to two 5 watt LED bulbs. It's actually bright enough for my old eyes now. Read more

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Choke Cover (Microwave Door)
Genuine Lg part
By: Lg
Part Number: MCK62992401

This choke cover is the inner perimeter trim that snaps onto the microwave door. It secures the door choke and helps maintain proper door shielding and appearance. Replace a cracked or missing cover to restore a secure fit.

  • Secures the door choke around the inner door frame
  • Helps maintain proper door shielding and consistent door alignment
  • Covers and protects door-frame edges for a finished look
  • Helps with: cracked/missing inner trim, loose or rattling cover, visible gaps at the door perimeter, or arcing at the door edge
What's included: 1 choke cover Install notes:
  • Disconnect power or switch off the circuit breaker before servicing; support over-the-range units as needed
  • Work on a padded surface; carefully release perimeter tabs/clips and avoid prying against the glass
  • Ensure the door choke/gasket is seated evenly, then align and snap the new cover fully around the perimeter; verify smooth, even door closure
  • Microwaves contain high-voltage components.

Do-It-Yourself Stories from Customers like You Front decor was broken in the middle and needed to be replaced   Rodney T. • Teaneck , NJ • February 25, 2023

1. UNPLUG MICROWAVE FROM AC POWER. 2. REMOVE 8 SCREWS FROM BASE PLATE ASSEMBLY/ 4 ON EACH SIDE. 3. CAREFULLY LOWER BASE PLATE DOWN AND UNPLUG RANGE LIGHT POWER CABLE 4. PLACE BASE PLATE DOWN ON FLAT SURFACE GENTLY PULL OUT VENT DRAW TO REMOVE SPRING TENSION FROM EACH SIDE OF THE DRAW TRACK. 5. NOW REMOVE 4 SCREWS, 2 FROM EACH SIDE OF THE DRAW TRACK TO GET ACCESS TO THE 3 FRONT DECOR SCREWS FROM THE BACK. ( YOU NEED 8 INCH #2 HEAD PHILIPS SCREW DRIVER TO... Read more

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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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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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Stirrer Fan Cover (Housing)
Genuine Lg part
By: Lg
Part Number: MCK62987001

Stirrer fan cover that protects and secures the microwave's stirrer fan assembly, helping keep food debris out and the rotating stirrer operating smoothly to reduce noise and maintain consistent performance. What it does:

  • Encloses and shields the stirrer fan assembly from food particles and foreign objects.
  • Keeps the stirrer properly positioned so the fan and stirring mechanism can rotate without interference.
  • Helps limit vibration and rattling caused by a loose or damaged cover.
  • Visible cracks or breaks in the cover can lead to noisy operation, poor stirring action, or intermittent fan contact.
What's included: One stirrer fan cover. Install notes:
  • Disconnect power before servicing the appliance to avoid shock or injury.
  • Replacement requires removal of the microwave outer cabinet and access to the stirrer/fan area; retain all mounting screws and hardware.
  • Inspect surrounding parts when replacing the cover; do not operate the appliance with a cracked or missing cover.
  • Use the correct part number to ensure fit and function.

Do-It-Yourself Stories from Customers like You Two covers burn   Rafael G. • Spartanburg , SC • November 11, 2018

Replace the two covers.....fit perfect.....but you do not send me the two small plastic pins-rivets for the covers....I manage to use the old ones.....now everything is working fine. thank you.... Read more

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$15.95
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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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$9.02
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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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Holder
Genuine Lg part
By: Lg
Part Number: 4930W1A069A

 

Do-It-Yourself Stories from Customers like You Rack clips had broken   William J. • Rocky Mount , NC • September 26, 2014

Replace the clips.. Read more

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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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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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Thermostat (Microwave)
Genuine Lg part
By: Lg
Part Number: 6930W1A003Y

This temperature-sensing safety switch monitors heat inside the microwave and opens or closes its circuit at a set point. Replacing a failed thermostat helps protect the unit from overheating and restores proper fan or heating control. What it does:

  • Monitors surface temperature where it is mounted (cavity, duct, or component)
  • Opens/closes its electrical circuit at a specific threshold to prevent overheating
  • Can interrupt power to heating components or signal the exhaust fan, depending on design
  • Symptoms can include: unit shuts off until it cools, runs but won't heat, exhaust fan won't auto-cycle or runs constantly
What's included: 1 thermostat Install notes:
  • Unplug the microwave; if over-the-range, remove it safely from the cabinet
  • Discharge the high-voltage capacitor before servicing
  • Note wire positions and transfer one lead at a time; ensure tight connections
  • Mount firmly and flush to the original location/bracket for proper thermal contact

Do-It-Yourself Stories from Customers like You Microwave shut off without usual beep at end of cycle no power to unit even though plugged in.   James B. • Rocky Hill , NJ • November 17, 2017

Replace Thermostat on top of cavity. The thermostat is attached via 2 bending sheet metal tabs. Ours blew because the two wires connected to thermostat shorted, connectors melted. The short was caused by buildup of grease under thermal wire cover, shorting both leads. The unit is used heavily. This is the first thermostat to go. I had to replace wire connectors that connected to thermostat as well since the connectors were melted as well. Helpful hint. The grease build up was probably caused by... 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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$9.02
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  • boxes images Over 2.1 Million Parts In Stock
  • time delivery images 2 Day Quick Delivery!
  • box-refresh images 365 Day Return Policy!
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