Parts for Lg LMV1831BD: Introduction Parts

The TEMPLATE is an OEM part for LG microwaves. It is the outer casing and control panel covering that defines the microwave's design and aesthetics.  

The causes of a bad template can include cracks, dents, or damage to the outer surface from impacts or normal wear over time. Heat and humidity fluctuations can also cause template materials to degrade.

Symptoms of a bad template include:

• Cracks or breaks in the template material
• Loose, misaligned, or damaged control panel or display  
• Yellowing, warping, or discoloration of plastics
• Openings or gaps that compromise the microwave structure

This genuine OEM LG replacement part restores the microwave's appearance and protects internal components. It is also compatible with some Kenmore and Sears microwaves
 

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.

• 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.

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

• 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

This customized screw fastens specific panels, brackets, or internal components in LG appliances. Replacing a missing or stripped fastener restores a secure fit and helps reduce vibration, rattling, and premature wear. What it does:

• Secures mating parts such as panels, brackets, or mounts per the appliance design
• Restores proper fit when the original screw is lost, damaged, or stripped
• Helps reduce vibration and rattling from loose components
• Maintains alignment to support correct operation of the assembly

• Includes: One screw

• Disconnect power and, if applicable, shut off water and gas supplies before servicing
• Match length and thread to the original; start by hand to avoid cross-threading
• Use the correct driver size and tighten snugly without over-torquing
• Inspect and replace any damaged clips, inserts, or mating threads before reassembly

Inner door frame assembly for microwaves. Supports window, trim, handle, and latch alignment. Replace if cracked, broken, or structural clips damaged.

Plastic film covers holes in the microwave inner door frame. Replace if bubbled, burned, cracked, or peeling. Attaches to door glass assembly.

Protective shield that covers internal components on the microwave door. Replace if cracked, broken, or tabs have snapped off during handle or latch repair.

Microwave won't start or stops mid-cycle? This door latch assembly engages door hooks and activates interlock switches to restore proper operation.

Microwave door won't stay closed or latch? This door latch spring provides tension to secure the door shut. DIY repair in under 10 minutes with video help.

Replaces the front-facing exterior panel on your microwave door. Restores appearance when original is dented, scratched, or damaged. Mounts door hardware.

The Controller Assembly is an OEM part for LG countertop microwaves equipped with advanced sensor cooking functions. This assembly governs the complex algorithms that precisely combine microwave power with time to evenly and efficiently cook foods. 

Causes of a bad controller can include moisture-causing cracks in solder joints over years of use, failing low-voltage power supplies no longer maintaining firmware, or intermittent connections briefly interrupting sensor readings.

Symptoms of a bad controller include:

• Inability to detect moisture levels and accurately adjust settings  
• Cooking programs malfunctioning or no longer automatically cycling
• Flashing error codes and unstable power output levels
• Total failure to initiate or cook with sensor features

Replace yours today with this genuine OEM LG assembly to restore dependable intelligence-based functions. This controller is also compatible with GE Café, Kenmore Elite, and Samsung microwaves featuring sensor technology.

Fix flickering display, power issues, or startup problems in your microwave. This main control board manages power distribution and control signals.

This is a complete control panel assembly that includes the touchpad membrane, cover, and adhesive tape. It serves as the user interface for selecting cycles and settings on the appliance. Replace this assembly if buttons are unresponsive, the display is not working, or the membrane overlay is peeling or cracked.

Flat case panel for microwave installations. Replaces cracked, damaged, or missing exterior case components. Essential for maintaining appearance.

Replaces a cracked, chipped, or broken glass turntable tray inside your microwave cavity. Typically damaged during cleaning or accidental impacts.

Fastens panels, brackets, and covers inside the microwave cabinet. Replace if cracked, broken, or missing to restore secure mounting and alignment.

Fix uneven heating or wobbling turntable with this rotating tray assembly. Replaces damaged or missing parts to restore smooth rotation and consistent cooking.

Turntable won't spin or rotates unevenly? This microwave turntable motor restores smooth rotation. Easy DIY repair—most complete it in under 10 minutes.

This is a metal plate that covers the vent duct area on an over-the-range microwave, directing airflow from the ventilation system and protecting internal components. It helps channel exhaust air properly when the microwave's vent fan is in use. Replace this plate if it is dented, corroded, or missing, as a damaged cover can reduce ventilation efficiency and allow grease or debris to enter internal areas.

This is a glass or plastic lens cover that sits over the interior light bulb inside the microwave. It protects the light bulb from grease, food splatter, and heat while allowing light to illuminate the cooking cavity. Replace this lens if it is cracked, cloudy, discolored, or missing, which can leave the bulb exposed to damage and reduce interior visibility.

Turntable not rotating or making noise? This coupler shaft connects the motor to the glass tray for even heating. Takes seconds to install—no tools needed.

This is a metal cooking rack designed to sit inside the microwave oven cavity, providing a second level for heating multiple items at once. It allows for more even cooking by elevating food closer to the center of the microwave's energy field. Replace this rack if it is bent, has damaged feet or support clips, or if the protective coating is chipped or worn, which can cause arcing during use.

This is the grille cover that fits along the ventilation opening on the microwave, allowing air to flow in or out during operation. It helps protect internal components from debris while ensuring proper airflow for cooling. Replace this grille if it is cracked, broken, or has damaged louvers that restrict ventilation or allow grease buildup inside the unit.

Traps grease and particles from microwave vent airflow. Replace when clogged or discolored to maintain ventilation efficiency. Verify fit with your model.

Replace your microwave's interior or underside light bulb when dim or burned out. Restores visibility for monitoring food. Confirm fit with your model.

Threaded nut assembly secures internal components in your microwave. Replace if stripped, worn, or missing to eliminate rattling and maintain alignment.

This part is the base for the small simmer burner on gas cooktops. It supports the burner cap and channels gas to the flame ports to promote consistent ignition and an even, stable flame. What it does

• Serves as the burner base for the auxiliary/simmer position
• Aligns and supports the burner cap for even flame distribution
• Routes gas from the orifice to the burner ports
• Common symptoms include weak or uneven flames, difficulty lighting with a known-good spark, or a cap that won't sit flat

• One auxiliary burner holder

• Disconnect power and shut off the gas supply before servicing
• Remove the grate and burner cap; take out mounting screws and lift off the old holder
• Transfer/reuse the orifice, igniter electrode, gasket, and hardware as applicable; seat the new holder evenly and tighten fasteners without over-torquing
• Restore gas and power; verify proper ignition and flame

Support bracket assembly that stabilizes the microwave's internal components. Replace if bracket is cracked, broken, or missing to restore proper alignment.

Fix a microwave door that won't close or latch properly. This door latch holder secures the latch assembly for reliable door alignment and operation.

This assembly includes the door latch housing and interlock switches that detect whether the microwave door is properly closed. It ensures the microwave only operates when the door is securely latched, serving as a critical safety component. Replace this assembly if the microwave won't start, runs with the door open, blows fuses repeatedly, or if the door latch mechanism feels loose or broken.

Fix a microwave that won't start or runs with the door open. This door interlock switch ensures safe operation by detecting when the door is fully closed.

This is a micro switch that detects whether the microwave door is properly closed and latched. It is part of the safety interlock system that prevents the microwave from operating with the door open. Replace this switch if the microwave does not start when the door is shut, runs with the door open, blows a fuse when the door closes, or stops mid-cycle intermittently.

The Time Delay Fuse is an OEM part for LG microwaves. This fuse provides a safety mechanism by delaying the flow of electricity, protecting the microwave's electrical components from power surges and ensuring the appliance operates safely. It helps to prevent immediate damage in the event of a power surge or electrical fault, thus prolonging the lifespan of the microwave.

Over time, the time delay fuse can become damaged due to electrical surges, wear and tear, or faulty connections. If the fuse blows, it can disrupt the microwave’s ability to function correctly.

Symptoms of a bad time delay fuse include:

• The microwave not turning on
• No response from the microwave control panel
• The microwave stopping unexpectedly during operation
• Electrical issues or blown circuits in the microwave

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

Mounting bracket for microwave installation. Secures microwave to wall or cabinet. Replace if bent, cracked, or missing for safe reinstallation.

If your microwave stops heating after less than a minute but the display stays on, the high voltage transformer may have failed. Moderately difficult repair.

Fix a microwave that won't heat with a new magnetron. This part generates the microwave energy needed for cooking. Moderate DIY repair, 1-2 hours.

Fix F4 error codes or sensor cook failures with this microwave humidity sensor. Restores automatic cooking cycles. Moderate DIY difficulty.

Single wire harness for microwave/hood combo units. Replaces damaged, frayed, or corroded wiring connections. Essential for restoring electrical integrity.

Microwave overheating or shutting off unexpectedly? This high-limit thermostat monitors temperature and cuts power if it gets too hot. Easy DIY fix.

Microwave not heating or making loud buzzing noise? The high voltage diode regulates power to the magnetron. DIY repair typically takes 30-45 minutes.

Microwave won't heat or shuts off unexpectedly? This thermal fuse assembly restores overheat protection in your microwave. Quick DIY fix in under 30 minutes.

Mounting bracket for microwaves. Secures the unit to cabinetry or wall. Replace if bent, cracked, or missing to ensure proper installation support.

Support plate for microwave interior mounting. Replaces cracked, broken, or missing plates that secure internal components. Essential structural part.

Charcoal filter removes cooking odors and grease vapors from recirculating microwaves. Replace when odors persist. Confirm fit with your model number.

Holds the light bulb and maintains electrical connection in your microwave. Replace when socket is cracked, heat-damaged, or causes flickering lights.

Shields the stirrer assembly from grease and splatter while distributing cooking energy evenly. Replace if cracked, melted, or burnt to prevent arcing. Verify fit with your model number.

This thermostat is a temperature-sensitive safety switch used in LG microwaves. It monitors internal temperature and opens the circuit when overheating is detected to help protect components from heat damage.

• Monitors temperature at its mounting location inside the microwave
• Opens on overtemperature to interrupt power for safety
• Depending on model/location, a failed or open thermostat can cause no heat, the unit shutting off mid-cycle, or no power until it cools
• Helps prevent damage to the magnetron, cavity, and wiring due to overheating

• Unplug the microwave before service; the high-voltage capacitor can retain a dangerous charge
• Note wire positions, remove mounting screws, and install the new thermostat flat against the surface for proper heat sensing
• Reassemble and test; ensure vents and filters are clear to maintain proper airflow and prevent future overheating

Secures the light bulb and provides electrical connection in your microwave. Replace if cracked, heat-darkened, or loose to fix flickering or non-working lights.

Base plate for microwave ovens. Mounts inside the cavity to support the turntable assembly. Replace if cracked, warped, or broken to restore stability.

Metal mounting plate for over-the-range microwaves. Installs between wall/cabinet and microwave unit to anchor and stabilize. Replace if missing or damaged.

Complete mounting hardware kit for securing your microwave to cabinets or above the range. Includes all necessary brackets, screws, and fasteners.

Holds the damper assembly in place inside the microwave cavity above the wave stirrer. Replace if bracket is bent, broken, or missing during installation.

Exhaust damper for microwave venting systems. Installs on rear exhaust to regulate airflow. Replace if cracked, broken, missing, or not sealing properly.