72180594401 Parts

The Microwave Door Switch is an OEM replacement part for LG countertop microwaves. It monitors the door position electrically to prevent unsafe oven operation if ajar. 

Symptoms of a bad door switch include:

• Inability to start or pause a cooking cycle unless securely latched  
• Error messages about the door being open
• Inconsistent detection of open/closed door positions
• Unreliable contact functioning after extended use

Causes involve normal wear of electrical contacts and internals through many open/close uses. Exposure to moisture intrusion from spills may potentially damage sensitive switch circuitry over time as well.

This genuine LG replacement switch is also compatible with Sears/Kenmore microwaves.

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 Door Latch Spring is a genuine OEM part for LG microwaves. As a key component of the microwave, the door latch spring is responsible for providing the tension needed to securely close and latch the microwave door. It works behind the scenes to ensure a tight seal when the door is shut.

Symptoms of a bad door latch spring include:

• The microwave door not closing or latching properly 
• Gaps appearing around the door seal when shut
• Difficulty opening and closing the door

Causes of a bad door latch spring can include wear and tear over time. Exposure to excessive door slamming can also place undue stress on the spring.

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

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 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 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

A high-voltage capacitor for the appliance's high-voltage circuit that stores and releases electrical energy to support proper heating operation. Replacing a failing capacitor can restore consistent heating and prevent related electrical faults. What it does:

• Stores and delivers high-voltage energy used by the magnetron/ high-voltage assembly to generate heat.
• Failure may cause no-heat or weak-heat conditions in the oven.
• Faulty capacitors can contribute to arcing, loud humming, or blown high-voltage fuses.
• Works as part of the HV circuit; not a user-serviceable low-voltage control.

• High-voltage components can hold a dangerous charge—disconnect power and discharge the capacitor before servicing.
• Use insulated tools and avoid touching terminals; verify proper operation with appropriate test equipment.