Thermal Fuse 4393308

Brand: KitchenAid · Appliance: Microwave · Fits: 691 models · Reference price: $23.61

4393308 is a KitchenAid replacement part (thermal fuse) for microwaves. Our fitment data lists 691 models that use it.

When to replace this part

Heat control (thermostats, fuses, heating element)

Symptom: The appliance runs but heats or cools inconsistently, or shuts off partway through a cycle.

Check: With the appliance unplugged, check continuity across the part with a multimeter -- no continuity means it has failed.

Models that use this part

Part numbers it replaces

The manufacturer lists 4393308 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.

• W11707984 — R Ceramic Fuse 20 A

Other parts for model KHHC2090SBT0

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

• Base 8206497
• Button 8206483
• Cam Plate W10113787
• Choke Cover 8206529
• Choke Cover 8206531
• Clip 8206037
• Control Bracket 8206511
• Control Bracket W10116269

Reference price and where to compare

The reference price on file for this part is $23.61. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare 4393308 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