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Ld55040st 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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Microwave Magnetron
Genuine Lg part
By: Lg
Part Number: 6324W1A001L

Microwave won't heat but runs normally? A failed magnetron is the likely cause. This part generates the microwaves that cook food. Moderate DIY repair.

This part fixes the following symptoms
  • Noisy
See more...
Do-It-Yourself Stories from Customers like You Didn't heat.   Harry W. • Maple Park , IL • January 21, 2018

My son told me that almost all the microwave ovens that came into the repair center he worked at, 15 years ago, had a defective magnetron. I ordered a magnetron, and sat back until one shipped. The one that came, the first time, was in a small factory cardboard box, which was in a large bubble-pak Fedex envelope; which didn't show any signs of abuse. Inside, however, the factory box was beat up. Removing the magnetron, I noticed that the socket, as well as its' pins, was bent, and loose in the... Read more

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$130.69
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Turntable Tray
Genuine Whirlpool part
By: Whirlpool
Part Number: WP8172138

Microwave glass turntable tray. Color: clear. Measures about 13 inches in diameter.

Do-It-Yourself Stories from Customers like You The glass turntable was broken   Rebecca F. • Gilbert , AZ • October 13, 2015

Put a new one in. Read more

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$59.48
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Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: W11380570

The Screw is an OEM part for Whirlpool microwaves. It is responsible for securing various parts of the microwave together. This screw ensures a tight and secure fit for parts and helps maintain the structural integrity of the microwave, preventing any loose or rattling parts.

A bad microwave screw can occur due to wear and tear, accidental damage, or misplacement during maintenance or repairs. If you notice symptoms such as loose or wobbly components, difficulty in opening or closing the microwave door, or abnormal noises while the microwave is in use, it may be time to replace this part.

Symptoms of a bad microwave screw include:

  • Loose or wobbly components
  • Difficulty in opening or closing the microwave door
  • Abnormal noises during operation

Restore your Whirlpool microwave by replacing the faulty or missing microwave screw with this genuine OEM part.

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.
 

Do-It-Yourself Stories from Customers like You The microwave door and handle were broken   Wayne M. • Joliet , IL • October 22, 2016

I received the parts from parts pro within 3 days and everything fit perfectly nd all went well Thanks Parts Pro Wayne Mazur Joliet Il Read more

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$18.32
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Microwave Mounting Screw
Genuine Lg part
By: Lg
Part Number: 4B73763A

Replacement screw secures panels and components in your microwave. Install when original hardware is stripped, rusted, or missing to stop rattles.

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$10.58
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Appliance Truss Head Tapping Screw
Genuine Lg part
By: Lg
Part Number: 1TTL0402818

Truss head tapping screw secures panels, brackets, and covers in appliances. Replaces missing or damaged fasteners to restore snug fit and alignment.

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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$11.45
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Appliance Mounting Screw
Genuine Lg part
By: Lg
Part Number: 4000W4A003A

Replacement screw for securing panels, brackets, and internal components. Restores tight fit and proper alignment when original hardware is stripped or missing.

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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$10.58
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Microwave Door Interlock Switch
Genuine Whirlpool part
By: Whirlpool
Part Number: WP56001036

Microwave won't start when you press the button? This door interlock switch confirms the door is closed so cooking can begin. Fixes no-start issues.

Do-It-Yourself Stories from Customers like You Touch panel on microwave not responding reliably   John P. • Laguna Beach , CA • February 10, 2019

Changed all door switches and used rubber eraser to clean connections on touch panel ribbon cable. Read more

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$43.95
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Screw, Tapping, Truss Head (Single)
Genuine Lg part
By: Lg
Part Number: 1TTG0402422

This is a truss-head tapping screw used to secure trim, panels, and small assemblies on compatible LG appliances. It provides a low-profile, wide-bearing head that helps hold parts flush and resist pull-through. What it does:

  • Fastens plastic and sheet-metal components where a self-tapping thread is needed
  • Truss head spreads load to prevent damage to soft or thin materials
  • Helps secure control panels, brackets, or trim pieces that require a low-profile head
  • Common replacement when original mounting screws are missing, stripped, or corroded
What's included:
  • One truss-head tapping screw
Install notes:
  • Use the correct screwdriver bit and moderate torque to avoid stripping the screw or workpiece
  • Start threading straight and let the screw form threads without forcing at an angle
  • Disconnect power and follow appliance-specific service safety procedures before working internally
  • Replace any damaged mating threads or clips for a secure fit

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$10.58
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Microwave Mounting Screw
Genuine Lg part
By: Lg
Part Number: 1TPL0402618

Mounting screw for microwave assembly. Secures internal or external components. Replace if stripped, missing, or damaged during repair or installation.

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Screw, Tapping, Truss Head
Genuine Lg part
By: Lg
Part Number: 1TTL0402418

 

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$8.21
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$9.03
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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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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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$12.16
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Range Wire Harness Holder
Genuine Lg part
By: Lg
Part Number: 4B72510F

This is a circular wire harness holder that secures and organizes internal wiring within the range. It clips onto the frame or mounting points to keep wires routed properly and away from heat sources. Replace this part if it is broken or missing, which can cause loose wiring or potential contact with hot surfaces.

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$10.58
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Fan
Genuine Lg part

Fan

By: Lg
Part Number: 5900W1A004C

 

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Cap,Base Plate
Genuine Lg part
By: Lg
Part Number: 5006W3A016F

 

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  • Over 2.1 Million Parts In Stock Over 2.1 Million Parts In Stock
  • 2 Day Quick Delivery! 2 Day Quick Delivery!
  • 365 Day Return Policy! 365 Day Return Policy!
  • Repair ForumFree Tech Support!
  • Google Trusted Store Google Trusted Store