Mzb-12A Parts

Shields the waveguide from grease and food splatter to prevent arcing and maintain heating performance. Replace when damaged, stained, or burned. Verify fit by part number for your microwave model.

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 by opening and closing the cooling circuit as needed to maintain set temperatures. Replaces a failed or intermittent temperature control to help restore consistent cooling and food safety. What it does:

• Senses cabinet temperature and signals the cooling system to cycle on or off
• Stops continuous running when thermostat fails closed or restores cooling when stuck open
• Commonly used to address inconsistent temperatures, warm spots, or compressor short-cycling
• Passive electromechanical component—no programming required

• Disconnect power to the appliance before starting any repair
• Handle terminals and sensor capillary carefully to avoid bending or damage
• Confirm wire connections match the old thermostat and secure spade terminals firmly

This Fan Blade is an OEM part for LG microwaves. It is a critical component designed to circulate air within the microwave, aiding in heat dissipation and ensuring even cooking. 

Fan blades in microwaves can suffer from wear, imbalance, or damage due to regular use or accumulation of debris. A malfunctioning fan blade can lead to inadequate ventilation, affecting the microwave's cooking efficiency and potentially causing overheating.

Symptoms of a bad fan blade include:

• Unusual noises during operation, such as rattling or buzzing, indicate a loose or damaged blade.
• The microwave overheating or shutting off prematurely.
• Inconsistent cooking or hot spots in food suggest poor air circulation.
• The fan not starting, or stopping unexpectedly during use.
• Visible signs of damage or wear on the blade.

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

This hardware washer helps distribute fastener load and maintain proper spacing in your LG appliance. Replacing a missing or worn washer restores secure mounting and alignment, reducing vibration and rattling from loose assemblies.

• Distributes the load of a screw or bolt and protects mating surfaces to maintain alignment
• Helps keep components secure and at the correct spacing
• A damaged or missing washer can lead to loosening, vibration, or rattling during operation
• Ensures correct hardware stack-up during reassembly after service

• Disconnect power and shut off water or gas before servicing
• Note the order and orientation of any washers/spacers; take a reference photo
• Use the correct driver or wrench and tighten snugly—do not overtighten
• Replace companion hardware if corroded, stripped, or damaged

Microwave door won't close or seal properly? This door assembly fixes damaged, bent, or cracked doors to restore proper sealing and appearance.

A flat washer used with the appliance's fastening hardware to distribute load and reduce wear. Helps maintain secure connections and prevents damage to mating surfaces for reliable operation. What it does:

• Provides an even bearing surface for bolts or screws to prevent pull-through
• Reduces friction and wear between fasteners and housing parts
• Helps keep fasteners tight and resists loosening from vibration
• Commonly used where a smooth, protective spacer is needed

• Verify correct location and orientation before reassembly
• Use manufacturer-recommended fasteners and torque specifications
• Power off and unplug the appliance before accessing internal components

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

Microwave light bulb holder assembly secures and powers your interior bulb. Replace if bulb won't light, holder is cracked, or connections are loose. Verify fit by model number before ordering.

A circular lug designed to join a stripped wire to a threaded terminal for a secure electrical connection. Helps restore reliable contact at terminals and reduces the chance of intermittent power or arcing at connection points. What it does:

• Provides a strong mechanical and electrical connection between a wire and a screw or bolt terminal.
• Helps prevent loose connections that can cause intermittent operation, sparking, or overheating.
• Commonly used where a ring-style termination is required for safe, stable wiring.
• Works with properly sized wire and fasteners to maintain consistent conductivity.

• Always disconnect power to the appliance before inspecting or replacing electrical parts.
• Use the correct lug size and gauge for the wire and terminal; crimp or solder per manufacturer recommendations.
• Tighten terminal hardware to the appliance manufacturer's specified torque; avoid over-tightening which can damage the lug or terminal.
• If wiring insulation or the terminal is damaged or corroded, replace the affected components rather than reusing them.

Replace a sheath heater when your wall oven won't heat properly or heats unevenly. This heating element is a moderate repair taking 30-60 minutes.