Capacitor 4393703

Brand: Whirlpool · Appliance: Microwave · Fits: 38 models

4393703 is a Whirlpool replacement part (capacitor) for microwaves. Our fitment data lists 38 models that use it.

When to replace this part

Controls, timers and wiring

Symptom: A cycle that doesn't advance, an unresponsive display, or the unit not starting at all.

Check: Look for burn marks or a burnt smell near the board or terminals, and check whether buttons and knobs respond -- a unit that powers on but won't cycle often traces back to this group.

Models that use this part

Other parts for model 66568600890

If you are repairing that appliance, these are the most model-specific parts on file for the same model.

• Grease Filter 4393691
• Microwave/Hood Grille Vent 4393727
• Microwave/Hood Grille Vent 4393728
• Magnetron 4393604
• Microwave Keypad Support Panel 8183710
• Microwave Thermal Cut-Off 4393943
• Microwave Thermal Cut-Off W10479659
• Microwave Vent Motor Capacitor 4393709

Reference price and where to compare

We have no reference price on file for this part. RepairKitHub does not sell parts directly.

Compare 4393703 listings on Amazon

Before you order

• Match the part number character for character, including dashes and trailing letters; a single different character is usually a different part.
• Confirm your appliance's model number on its data plate and check that it appears in the list above (or use the model lookup tool).
• If a seller offers a substitute number, check that it appears in this page's replacement list or in the manufacturer's documentation.

Model lookup tool