Kenmore Microwave 721.65052400 (72165052400, 721 65052400) 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 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.

The Magnetron is an OEM part for LG microwaves. It is responsible for generating the microwaves that cook or heat the food inside the appliance. The magnetron converts electrical energy into microwave radiation, ensuring efficient and even heating.

Causes of a bad magnetron can include prolonged use, electrical surges, or overheating. Over time, these factors can lead to the magnetron wearing out or failing completely.

Symptoms of a bad Magnetron include:

• The microwave not heating food
• Strange noises during operation
• Burning smell or smoke
• The microwave shutting off unexpectedly

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

This door latch assembly engages the interlock switches when the microwave door closes, keeping the door securely shut. Replacing a worn latch restores safe door engagement and allows the oven to operate only when properly closed.

• Hooks into the cabinet strike to hold the door closed
• Actuates the interlock switches to permit heating
• Helps resolve: door won't latch or stay shut, "Door/Open" error messages, unit won't start unless the door is pressed
• Replaces a visibly cracked, worn, or broken latch

• Unplug the microwave before servicing; microwaves contain high-voltage components—work only on the door, not inside the cabinet
• Remove the inner door trim to access the latch; note orientation and transfer any clips/hardware as found
• Inspect the door strike and hinges for wear; misalignment can prevent proper latching
• After reassembly, verify smooth door closure and that the oven will not run with the door open

This is the glass turntable tray for a microwave. It provides a stable, food-safe surface and rotates with the turntable system to help heat food evenly.

• Holds dishes securely while the microwave runs and rotates for uniform heating
• Replaces a cracked, chipped, or missing glass plate
• Common symptoms: tray wobbles, won't rotate properly, uneven heating, or visible damage to the plate
• Designed to fit the microwave's turntable coupler and support for smooth operation

• Unplug the microwave (or open the door to stop operation) and let the tray cool before handling
• Remove the old tray; align the new tray's center with the turntable coupler
• Ensure it sits flat and spins freely by hand before use
• Do not overtighten or force—tray should rest on the support/rollers

This door release lever links the microwave's push-button to the latch mechanism so the door unlatches and opens smoothly. Replacing a worn or broken lever restores consistent, reliable button-operated door opening. What it does

• Transfers motion from the door open button to the latch hooks to release the door
• Helps ensure smooth, consistent door opening with each press
• Common symptoms: door won't open when pressing the button, button feels loose or sticks, intermittent opening, or broken plastic fragments near the button area

• 1 door release lever

• Disconnect power before servicing; microwaves contain high-voltage components
• If over-the-range, support or remove the unit to access internal components safely
• Remove the outer cover/control panel to reach the latch area; note lever orientation before removal
• After reassembly, verify the button action and door opening/closing before restoring power

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

Rotating ring assembly supports the drum's rotating interface to maintain smooth, stable rotation. Replacing a worn or damaged ring reduces noise, vibration and scraping for quieter, more reliable operation. What it does:

• Holds and aligns the drum's rotating surface so the drum spins smoothly and evenly.
• Prevents metal-on-metal contact between the drum and cabinet or shaft.
• Worn or damaged rings can cause rubbing, grinding, squealing or excessive vibration.
• Restoring the ring can improve drum tracking and reduce noise during spin cycles.

• Disconnect power (and gas if applicable) before beginning any repair.
• Support the drum during removal to prevent it from shifting; follow the model's service diagram for correct disassembly.
• Inspect neighboring parts (rear drum bearing, glides, seals) for wear and replace as needed.

This is a truss-head tapping screw used to secure trim, panels, and small assemblies on compatible LG appliances. It provides a low-profile, wide-bearing head that helps hold parts flush and resist pull-through. What it does:

• Fastens plastic and sheet-metal components where a self-tapping thread is needed
• Truss head spreads load to prevent damage to soft or thin materials
• Helps secure control panels, brackets, or trim pieces that require a low-profile head
• Common replacement when original mounting screws are missing, stripped, or corroded

• One truss-head tapping screw

• Use the correct screwdriver bit and moderate torque to avoid stripping the screw or workpiece
• Start threading straight and let the screw form threads without forcing at an angle
• Disconnect power and follow appliance-specific service safety procedures before working internally
• Replace any damaged mating threads or clips for a secure fit

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

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 thermostat controls refrigerator temperature to help maintain proper cooling and prevent spoilage. It replaces a failed or inaccurate temperature control to restore consistent operation. What it does:

• Senses internal temperature and signals the compressor to cycle on/off
• Helps keep food at steady, safe temperatures when functioning correctly
• Commonly replaces thermostats that cause warm temperatures or inconsistent cooling
• Works as a direct replacement when matching the OEM part number

• Always disconnect power to the appliance before servicing to avoid shock or injury
• Handle the sensor and terminals carefully; avoid bending or damaging components
• Basic hand tools are typically required; follow your model's service manual for exact instructions