Parts for Kenmore 721.63659300 (72163659300, 721 63659300): Door Parts

Replaces cracked, broken, or warped outer door frame on your microwave. Secures door glass and maintains proper alignment. Restores appearance.

The Door Latch Hook is an OEM replacement part for LG microwaves. Located internally on the door frame, this metal hook secures firmly into the microwave's door latch bracket when closed. As a common wear point, the hook can experience minor warping over many years of use.

Causes of a bad door latch hook include normal wear and tear, loss of tension, or deformation from frequent door opening and closing cycles long-term.

Symptoms of a bad latch hook include:

• Door that does not close fully or completely latch in place  
• Gaps forming in the door seal when shut
• Inability to achieve a tight, solid seal around the perimeter 
• Latch hook failing to grasp the bracket securely

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

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.

This service manual provides official repair and diagnostic information to help technicians identify issues and complete accurate, safe repairs. It clarifies procedures, wiring, and component details so you can diagnose problems faster. What it does:

• Lists troubleshooting steps and diagnostic procedures to isolate faults
• Shows wiring diagrams and electrical schematics for correct component checks
• Provides parts breakdowns and component locations to guide replacements
• Includes service-mode instructions and common error-code guidance

• For technician use; read fully before attempting repairs
• Disconnect power and follow lockout/tagout procedures before working on the appliance
• Use proper tools and personal protective equipment when testing or replacing parts
• Follow OEM procedures and local codes; replace only with correct parts