Lmv-1683St/00 Parts

The Damper Bracket is an OEM component for LG microwaves. Located inside the microwave cavity above the wave stirrer, this bracket holds the position of the damper assembly that helps distribute heat evenly during cooking. The bracket measures approximately 12” by 5”.

Symptoms of a bad damper bracket can include:  

• Hot or cold spots developing within the microwave cavity
• Looseness in the damper assembly fit
• Reduced heat circulation leading to uneven cooking

Causes typically consist of cracking over long-term heat exposure. Repeated opening/closing of the damper may also weaken attachment points on the bracket.

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

The Mounting Plate is an OEM part for LG microwaves. This part is designed to mount and stabilize the microwave over the range, ensuring it is safely anchored in its designated space. The mounting plate serves as an interface between the microwave and the wall or cabinet, distributing the weight evenly and providing a firm foundation for the appliance.

Causes of a bad Mounting Plate can stem from improper installation, which may lead to undue stress and eventual warping or weakening of the material.

Symptoms of a bad Mounting Plate include:

• Loose microwave unit
• Difficulty in aligning or installing the microwave 
• Visible signs of wear, rust, or damage on the plate

This OEM LG part can also be used on Kenmore/Sears appliances.

The Damper is an OEM component for LG microwaves. Located within the cooking cavity, it regulates airflow and safely vents steam escaping heated foods. 

Causes of a faulty damper can involve standard wear and exposure accepting steam and condensation release. Food or liquid particles drying within tracks also threaten eventual adhesion issues restricting travel if left unaddressed between cleanings.

Symptoms of a damaged or defective damper include:

• Inability to adequately vent excess moisture from heating  
• Potential messes spilling beyond the microwave frame  
• Grating sounds or squeaks emitting during cooking
• Flaps possibly stuck inhibiting steam circulation 

This damper is also compatible with Kenmore microwaves as well.

The Latch is an OEM part for LG microwaves. This component is critical for securing the microwave door, ensuring it remains closed during operation. The latch interacts with the door switch to enable the microwave to function only when the door is properly closed, maintaining safety and efficiency.

Over time, the latch can become worn or damaged due to frequent use, misalignment, or accidental impact. A faulty latch can lead to the microwave door not closing properly, resulting in the appliance not operating or shutting off unexpectedly.

Symptoms of a bad latch include:

• The microwave not starting or operating intermittently
• The door not closing securely
• The microwave running even when the door is open
• Audible clicking or unusual noises when opening or closing the door

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

The Light Bulb is an OEM part for LG microwaves. It provides illumination inside the microwave oven, allowing users to monitor the cooking process and check the condition of the food without opening the door.

Causes of a bad light bulb can include normal wear and tear, electrical surges, or damage due to impact or overheating. Over time, the filament inside the bulb can burn out, or the bulb itself can become loose or disconnected.

Symptoms of a bad light bulb include:

• The microwave interior light not turning on
• Flickering or dimming of the light
• Intermittent lighting during operation

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

The Interlock Door Switch is an OEM part for LG microwaves. It is a safety component located on the door of the microwave designed to prevent the microwave from operating unless the door is securely closed. The interlock door switch works with the microwave's electronic control board to sense when the door is open or closed and allow or disallow operation accordingly.

Causes of a bad interlock door switch can include normal wear and tear from repeated opening and closing of the microwave door over time.

Symptoms of a bad interlock door switch include:

• The microwave runs or heats with the door open
• Error codes or diagnostic messages related to door sensors on the control board
• The microwave fails to operate even when the door is securely closed

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

The Magnetron is an OEM part for LG microwaves. As the primary cooking mechanism, it generates microwave energy to heat and cook foods quickly.

Causes can be from normal wear and tear over years of use. Damage may also occur if the microwave interior is exposed to moisture, spills or debris.

Symptoms of a faulty magnetron include:

• Slow or ineffective cooking
• Hot or cold spots in cooked foods
• Buzzing or humming noises emanating from inside the microwave

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

This stirrer fan cover shields the stirrer assembly at the top of the microwave cavity, helping distribute cooking energy evenly and protecting the fan from grease and splatter. Replace a cracked or burnt cover to help prevent arcing.

• Protects the stirrer fan and opening from grease, moisture, and debris
• Helps promote more even microwave energy distribution for consistent heating
• Replace if the cover is cracked, warped, burnt, missing, or won't stay secured
• Can address symptoms such as interior arcing/sparking, rattling from the top, and uneven heating

• Disconnect power: unplug the unit or switch off the circuit breaker before servicing
• Work only inside the cooking cavity; do not access internal high-voltage components
• Remove the existing cover (screw or snap tabs), note orientation, and retain any hardware for reuse
• Seat the new cover fully and secure before restoring power; test for proper operation

The Diode is an OEM replacement part for LG countertop microwave models. Located internally on circuit boards regulating magnetron function, it precisely controls the electric current flow.

Causes of a bad diode involve thermal fatigue over time putting repetitive stress on sensitive semiconductor junctions. Microwave demands may accelerate failures.

Symptoms include:

• Intermittent cooking or complete failure to energize the tube
• Error codes appearing on the control panel display
• Buzzing or humming noises emitting from internal circuitry

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

The Choke Cover is an OEM part for LG microwaves. This is a protective shield that covers the microwave’s internal components, preventing interference and ensuring the safe operation of the microwave.  

Causes of a bad choke cover can include physical damage from accidental impacts, deterioration due to prolonged use, or exposure to high temperatures.

Symptoms of a bad choke cover include:

• Unusual noises during microwave operation
• Visible cracks or damage to the cover
• Microwave not heating food properly
• Sparks or arcing inside the microwave

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

Color: brown. Measures about 10 inches in diameter.

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 window glass is the clear panel in the door, allowing you to see inside while maintaining the door's integrity. Replace cracked or shattered glass to restore safety, visibility, and the appliance's appearance.

• Forms the transparent viewing window within the door assembly
• Replaces broken, chipped, or shattered glass to restore safe operation
• Helps return proper door structure and appearance
• Common symptoms: visible cracks, rattling/loose panel, sharp edges, impaired visibility

• Disconnect power; allow the unit to cool completely before service
• Wear cut-resistant gloves and eye protection; handle glass carefully
• Support the door; many models require removing the door to access the glass
• Transfer any brackets/trim/screws from the original glass and tighten evenly—do not overtighten

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.