721-85032111 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 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 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 LG microwave glass tray is an OEM replacement part for LG countertop microwaves. Located inside the microwave cavity, the glass tray provides a flat, durable surface for cooking and heating food items. The tray measures about 13 inches in diameter.

Causes of a bad glass tray can include cracks or chips from impact damage, prolonged exposure to high heat levels, or chemical etching from acidic food spills.

Symptoms of a bad glass tray microwave include:

• Cracks, chips, or breaks in the glass compromising structural integrity
• Difficulty removing or placing the tray due to a poor sliding fit  
• Food particles or liquids seeping below the tray and needing cleaning
• Visibility issues looking inside the microwave cavity  

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

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 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.

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 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.

Color: brown. Measures about 10 inches in diameter.

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

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 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