Kenmore Microwave 721.69113900 (72169113900, 721 69113900) 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.

The Turntable Support is an OEM replacement part for LG microwaves. It fits under the cooking tray and is used to support the tray and to engage the rotating coupler. If your cooking tray will not turn or rumbles when it turns, check the support assembly for signs of wear or damage. If no damage can be seen, check the coupler for damage.

Causes of a bad turntable support include normal wear over extended use. Improper cleaning methods could potentially damage delicate support components.

Symptoms of a bad turntable support include:

• Wobbly or unstable turntable rotation
• Squeaking or grinding noises coming from below the turntable
• The inability of the turntable to rotate dishes consistently

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

This synchronous turntable motor rotates the glass tray inside your microwave to help food heat evenly. Replace it to restore smooth, consistent rotation if the tray has stopped turning, stalls intermittently, or makes unusual noises from the base.

• Drives the turntable via the center coupler to rotate the glass tray at a steady speed
• Promotes even exposure to microwave energy for more uniform heating
• Typical failure symptoms: tray won't turn, rotates only intermittently, or emits grinding/buzzing sounds from underneath
• If power reaches the motor but it doesn't run, the internal windings or gear set may be seized

• Disconnect power to the microwave before servicing
• If mounted over a range, remove the unit from the cabinet with assistance
• Access is typically from the bottom panel; note wire positions and shaft orientation before removal
• After installation, briefly test rotation before full reassembly; inspect the coupler and support for wear

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 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.

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 replacement latch secures the appliance door or lid so it closes and engages reliably, helping the unit run and maintain proper operation. Ideal when the door won't stay shut or the appliance won't start. What it does:

• Secures the door/lid to the cabinet so the appliance can close properly
• Engages with the strike/keep to allow door-switch or lock mechanisms to operate
• Helps prevent leaks and heat loss caused by a door that won't seal
• Common symptom: appliance won't start or won't complete a cycle because the door fails to engage

• One latch

• Disconnect power (and water for washers) before starting any work
• Remove the access panel or door trim to reach the latch; use basic hand tools
• Check and adjust door alignment so the latch and strike meet squarely
• Test the door operation and run a short cycle to ensure reliable engagement

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