LG Microwave Turntable shaft / turntable motor coupler 4370W1A006F, Replaces 3B72373C

Is This the Right Part?

✅ Cross Reference Information

Common Symptoms

• Glass tray remains stationary while the microwave operates.
• Turntable rotates intermittently or unevenly.
• Rattling or unusual noise from the turntable area.
• Tray movement is absent because the shaft is missing, damaged, misaligned, or obstructed.

Check Before Replacing

• Unplug the microwave before inspecting the turntable mechanism.
• Remove the glass tray and rotating ring, then check the shaft area for food residue, foreign objects, visible cracking, wear, or misalignment.
• Clean the shaft and surrounding rotating-ring area if debris is present, then reinstall the ring and tray in their proper positions.
• Confirm that the tray is seated correctly on the rotating ring and shaft; do not force the tray or shaft.
• If testing operation, use a microwave-safe container with water and stop use if grinding, arcing, burning odor, or abnormal noise occurs.

Pro Tip

Part Details

Installation Notes

• Disconnect electrical power by unplugging the microwave before installation.
• Remove the glass tray and rotating ring to access the shaft.
• Install the replacement shaft in the existing turntable mechanism without forcing or modifying the part.
• Reinstall the rotating ring and glass tray correctly before restoring power.
• Verify model-specific fit before ordering because visually similar turntable parts may differ.

Verified Compatible Models

LMH2016ST, LMH2235ST, LMHM2017SB, LMHM2017ST, LMHM2237ST, LMV1813ST, LMV2015SB, LMV2015ST, LMVM2033ST, LSMH207ST, MV1840ASDL, MV2040ASD, MV2040ASDL, MV2040BSD, MV2040BSDL

Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.