721-67903 Parts

Microwave turntable not rotating? This synchronous AC motor drives the turntable rotation. Common DIY repair, typically takes 15-30 minutes.

This is a flat insulator cover that sits over the waveguide opening inside the microwave cavity. It protects the magnetron's waveguide from food splatter and grease buildup while allowing microwave energy to pass through. Replace this cover if it is burned, scorched, cracked, or has visible arcing marks, which can cause sparking during operation.

Microwave won't heat? A failing high-voltage capacitor disrupts the heating circuit. This part stores electrical energy for consistent operation.

This is a small synchronous motor that drives the turntable inside the microwave, slowly rotating the glass tray to ensure even heating of food. It mounts beneath the microwave floor and connects to the turntable coupler. Replace this motor if the turntable has stopped spinning or rotates intermittently while the microwave is running.

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.

Microwave overheating or shutting off unexpectedly? This thermostat regulates temperature to prevent damage. A straightforward fix for most DIYers.

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 screw for ovens, ranges, and microwaves. Secures panels, brackets, and internal components. Replace if stripped, missing, or damaged.

Fix weak or noisy ventilation with this microwave blower fan. Restores proper airflow when exhaust isn't working. Moderate DIY repair in 30-45 minutes.