Lmv1638 Parts

The Micro Switch is an OEM part for LG microwaves. It plays a crucial role in ensuring the microwave operates safely and efficiently by detecting whether the door is properly closed. This switch helps to control the power supply to the microwave, preventing it from running when the door is open.

Common causes of a bad micro switch include wear and tear from frequent use, mechanical failure, or damage from accidental impacts.

Symptoms of a bad micro switch include:

• The microwave not starting or operating intermittently
• The microwave running with the door open
• Error messages related to door issues
• The microwave stopping abruptly during operation

This OEM LG part is also compatible with Sears/Kenmore models.

The Turntable Coupler is an OEM part for LG microwaves. This coupler connects the motor to the turntable, enabling the rotation of the glass tray during the cooking process. 

Causes of a bad turntable coupler can include wear and tear from regular use, cracks or breaks due to the weight of heavy dishes, or damage from accidental impact. 

Symptoms of a bad turntable coupler include:

• The glass tray not rotating during operation
• Uneven heating or cooking of food
• Unusual noises from the turntable area
• Visible damage or wear on the coupler

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

This is the inner door frame assembly for a microwave oven. It provides the structural support for the door's window, trim, handle, and latch so the door aligns and closes properly and the interlock switches engage.

• Forms the inner structure of the microwave door and supports the window/screen, trim, and latch components
• Helps maintain alignment so the door closes and latches securely
• Replace if cracked, warped, or if mounting tabs are broken
• Typical symptoms include a door that won't close or stay shut, "door" error messages, the unit not starting unless the door is pressed, or a loose/rattling door panel

• Disconnect power before servicing; if over-the-range, support or remove the microwave before working on the door
• Use gloves/eye protection and watch for sharp edges
• Photograph door stack-up; transfer existing glass, handle, choke/trim, hinges, and screws to the new frame
• After reassembly, ensure the door closes squarely and that interlock switches engage before restoring power

This holder assembly secures the locker/latch mechanism in place so the door or access panel aligns and closes properly. Replacing a cracked or missing holder restores secure engagement and smooth, reliable operation. What it does:

• Supports and positions the locker/latch mechanism
• Maintains alignment for consistent latching and closing
• Common symptoms of a failed holder: loose latch feel, misalignment, door/panel not staying closed, or visible cracks/broken mounts
• Direct-fit replacement to restore proper support

• 1 holder assembly

• Disconnect power to the appliance before servicing.
• Access the locker area and retain any screws/clips; transfer any reusable hardware from the original holder as needed.
• Align the new holder with existing mounting points and tighten screws evenly—do not overtighten.
• Test latch engagement and door/panel operation before final reassembly.

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

• 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

Color: brown. Measures about 10 inches in diameter.

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

• 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.

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

• 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

This fan assembly moves air through the unit to cool internal components and maintain proper ventilation. Replacing a worn or seized fan restores correct airflow, helps prevent overheating, and reduces excessive noise from a failing motor or wheel.

• Circulates cooling air across internal components to prevent overheating
• Exhausts air through the vent/duct path for proper ventilation
• Common symptoms: fan not running, weak airflow, or loud rattling/squealing
• Unit may overheat or shut off during use when the fan fails

• Disconnect power before service; microwaves contain a high-voltage capacitor that can retain a dangerous charge—follow proper safety procedures.
• Remove access panels to reach the fan housing; note airflow direction and wire orientation.
• Transfer any brackets, grommets, or screws from the original assembly if required.
• After installation, verify the wheel spins freely and airflow direction is correct before reassembly.

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

• 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.

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

• 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

This turntable motor drives your microwave's glass tray, rotating food for more even heating. Replacing a failing motor restores proper tray movement and helps reduce cold spots during cooking. What it does:

• Rotates the glass tray via the turntable coupler during cook cycles
• Helps promote even heating by keeping food moving
• Addresses symptoms such as the tray not turning, intermittent rotation, or grinding/clicking noises from beneath the cavity
• Useful check: ensure the roller ring and coupler aren't damaged or obstructed

• 1 turntable motor

• Disconnect power; microwaves contain high-voltage components that can retain a charge
• Typically accessed from the unit's bottom panel; remove the cover to reach the motor
• Move the two wires and mounting screws from the old motor to the new one; align the shaft with the coupler
• After reassembly, confirm the tray sits correctly on the roller ring and spins freely

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

• 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

This microwave thermostat is the safety control that monitors temperature and opens the circuit if overheating is detected, protecting internal components. Replace it if your oven is dead, loses heat, or shuts off mid-cycle due to a failed thermostat. What it does:

• Monitors temperature and interrupts power when overheating occurs to help prevent damage
• Helps protect internal components and wiring from excessive heat
• Failure can cause: no power, shuts off during or shortly after starting, or runs but does not heat
• Replacing a failed thermostat helps restore normal operation and safety protections

• 1 thermostat

• Unplug the appliance; microwaves contain high-voltage components that can retain a lethal charge even when unplugged
• Remove the outer cover to access the thermostat; location varies by model
• Move wires one at a time to the new thermostat and mount it firmly against the mating surface for proper heat sensing
• Reassemble, restore power, and test operation