Parts for Whirlpool MT4078SPB2: 03 - Oven Cavity Parts

Color: brown. Each prong of this support measures about 4-1/2 inches from the center.

This microwave turntable motor mounts beneath the oven floor and spins the glass tray to help food heat evenly. Replacing a worn motor restores smooth, reliable rotation when the tray stalls, jerks, or makes unusual noises.

• Drives the turntable via the center coupler beneath the cavity floor
• Promotes even cooking by keeping the tray rotating during operation
• Common failure symptoms: tray not turning, intermittent/jerky movement, humming or grinding noise from below
• Helps correct stalling under normal load when the original motor is weak or seized

• Disconnect power at the breaker; microwaves contain high-voltage components that can retain a dangerous charge
• Typically accessed from the bottom of the microwave; remove the bottom cover to reach the motor
• Move wire connectors to the new motor in the same orientation and secure with original hardware
• Ensure the coupler and roller ring are properly seated; test rotation with a cup of water on the tray

Size: 4 x 8mm.

The Screw is an OEM part for Whirlpool microwaves. It is responsible for securing various parts of the microwave together. This screw ensures a tight and secure fit for parts and helps maintain the structural integrity of the microwave, preventing any loose or rattling parts.

A bad microwave screw can occur due to wear and tear, accidental damage, or misplacement during maintenance or repairs. If you notice symptoms such as loose or wobbly components, difficulty in opening or closing the microwave door, or abnormal noises while the microwave is in use, it may be time to replace this part.

Symptoms of a bad microwave screw include:

• Loose or wobbly components
• Difficulty in opening or closing the microwave door
• Abnormal noises during operation

Restore your Whirlpool microwave by replacing the faulty or missing microwave screw with this genuine OEM part.

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.