Microwave Turntable Motor 21V AC (SM16 / 21B, 3W, 5-6 RPM)

Replacement turntable motor 21V AC (model SM16 / 21B) for microwave ovens. If your glass plate stopped rotating and food heats unevenly, this small synchronous motor under the turntable is the usual culprit — replacing it takes about 15 minutes and restores even heating.

Symptoms of a failed turntable motor

• Glass tray doesn't rotate, or rotates intermittently
• Humming or grinding noise from under the tray
• Food hot on one side and cold on the other

Specifications

Before you order — 1-minute compatibility check

Unplug your microwave, remove the glass tray and roller ring, and check the label on your old motor. Match: voltage — this is a 21V motor (21V and 220V versions are not interchangeable), shaft shape and height, and mounting hole spacing. If your label differs or is unreadable, send us a photo before ordering — we'll confirm the right part.

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