Kenmore · Microwave part

Microwave Thermostat 3518905500

3518905500No photo on file
Match this part by its number, not by appearance.

Reference price$28.97–$53.22

Catalog price as of 2026-05; not a live Amazon price.

Check price on Amazon

RepairKitHub may earn a commission when you buy through this link, at no extra cost to you. How this works.

Part number
3518905500
Brand
Kenmore
Made for
Microwave
Fits
13 models
Also sold as
Magic Chef, Vissani
  • Fitment checked against 13 models
  • Purchase, shipping and returns handled by Amazon
  • Free reference data: RepairKitHub does not sell parts

Does it fit your appliance?

Find it on the data plate inside the door or lid. It is not the serial number.

About this part

3518905500 is a Kenmore replacement part (microwave thermostat) for microwaves. Our fitment data lists 13 models that use it.

This thermostat (part number 3518905500) is for microwaves. Thermostat 3518905500 is a safety device that shuts off the microwave if it overheats. Because high-voltage capacitors in a microwave can retain a lethal electrical charge even when the microwave is unplugged, a service technician should install this part.

How to confirm it has failed

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

All 13 confirmed models for this part.
ModelBrandApplianceParts on file
11183509910KenmoreMicrowave38
MCO160UBMagic Chef—34
MCO160UQMagic Chef—32
MCO160UWMagic Chef—32
MCO160SMagic Chef—29
MCO165UBMagic Chef—29
11183502910KenmoreMicrowave28
11183523910KenmoreMicrowave26
11183513910KenmoreMicrowave21
11183529910KenmoreMicrowave21
11183522910KenmoreMicrowave19
MCO2122ARBMagic Chef—17
MCO2122ARWMagic Chef—17

Installation

Step-by-step guide: how to install microwave thermostat 3518905500

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

Frequently asked questions

Which models does 3518905500 fit?

Our fitment data lists 13 models that use 3518905500, including 11183509910, MCO160UB, MCO160UQ. Enter your model number in the fit checker on this page to confirm.

How much does 3518905500 cost?

Catalog prices on file range $28.97–$53.22 (as of 2026-05). The current Amazon price can differ, so check it before you order.