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Mtd 631-04378 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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Lamp (Oven/Baseless)
Genuine Lg part
By: Lg
Part Number: 6912W3B002L

 

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$23.94

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Thermostat (Temperature Control)
Genuine Lg part
By: Lg
Part Number: 6930W1A003A

This thermostat controls refrigerator temperature to help maintain proper cooling and prevent spoilage. It replaces a failed or inaccurate temperature control to restore consistent operation. What it does:

  • Senses internal temperature and signals the compressor to cycle on/off
  • Helps keep food at steady, safe temperatures when functioning correctly
  • Commonly replaces thermostats that cause warm temperatures or inconsistent cooling
  • Works as a direct replacement when matching the OEM part number
What's included: One thermostat Install notes:
  • Always disconnect power to the appliance before servicing to avoid shock or injury
  • Handle the sensor and terminals carefully; avoid bending or damaging components
  • Basic hand tools are typically required; follow your model's service manual for exact instructions

This part fixes the following symptoms
  • Exhaust fan not working
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$13.57

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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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$12.88

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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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$10.58

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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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Fan
Genuine Lg part

Fan

By: Lg
Part Number: 5900W1A004C

 

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$10.58

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Lever
Genuine Lg part
By: Lg
Part Number: 4510W3A012A

 

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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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Usually ships within 4 - 14 days

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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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Usually ships within 4 - 14 days

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Spring
Genuine Lg part
By: Lg
Part Number: 4970WRA001B

 

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$12.70

Out Of Stock

Usually ships within 4 - 14 days

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Microwave Fuse
Genuine Lg part
By: Lg
Part Number: 3B74133P

Microwave won't turn on or stopped working suddenly? This fuse protects your microwave from power surges. Simple DIY fix with basic tools in 15 minutes.

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$8.95

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Usually ships within 4 - 14 days

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Cap
Genuine Lg part

Cap

By: Lg
Part Number: 5006W3A019A

 

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$10.58

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Usually ships within 4 - 14 days

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Appliance Mounting Nut
Genuine Whirlpool part
By: Whirlpool
Part Number: M0282005

Replacement mounting nut for securing appliance components. Needed when original hardware is stripped, corroded, or missing during repairs or reassembly.

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$5.31

Out Of Stock

Usually ships within 4 - 14 days

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Microwave Magnetron
Genuine Lg part
By: Lg
Part Number: 2B71732G

Microwave won't heat but runs normally? This magnetron generates microwave energy to cook food. Requires high-voltage safety knowledge to replace.

This part fixes the following symptoms
  • Noisy
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$99.26

Out Of Stock

Usually ships within 4 - 14 days

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Screw
Genuine Lg part
By: Lg
Part Number: 1EBF0402494

 

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$10.58

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Usually ships within 4 - 14 days

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Screw
Genuine Lg part
By: Lg
Part Number: 1SZZW2A002A

 

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$10.58

Out Of Stock

Usually ships within 4 - 14 days

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  • 5,000+ Repair Videos 5,000+ Repair Videos
  • Same-Day Shipping Same-Day Shipping
  • 365 Day Return Policy! 365 Day Return Policy!
  • Repair ForumFree Tech Support!
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