Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Whirlpool
Countertop Microwave

Model # MC8990XT0 Official Whirlpool microwave

Here are the diagrams and repair parts for Official Whirlpool MC8990XT0 microwave, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 133 parts  |
Switch 4312823
Switch

Part #4312823

Replaced by #4392027

?
Manufacturer substitution
This part replaces 4312823. Substitute parts can look different from the original.
$69.11 | 
8% OFF Phone Price : $75.11
In Stock
Switch 4312822
#2

Door and latch diagram

Switch

Part #4312822

Replaced by #4392027

?
Manufacturer substitution
This part replaces 4312822. Substitute parts can look different from the original.
$69.11 | 
8% OFF Phone Price : $75.11
In Stock
Magnetron 4312833
#4

Magnetron and airflow diagram

Magnetron

Part #4312833

The manufacturer no longer makes this part, and there's no substitute part

Wall Oven Touch-up Paint 261869

#NI

All parts diagram

Wall oven touch-up paint

Part #261869

Replaced by #WP261869

?
Manufacturer substitution
This part replaces 261869. Substitute parts can look different from the original.
This item is not returnable
$9.99 | 
9% OFF Phone Price : $10.99
In Stock
Cooking Appliance 14-gauge Splicing Wire, 200-degree C (red) 242831

#NI

All parts diagram

Cooking appliance 14-gauge splicing wire, 200-degree c (red)

Part #242831

$318.95
In Stock
Appliance Touch-up Paint, 6-oz (citrine White) 261900

#NI

All parts diagram

Appliance touch-up paint, 6-oz (citrine white)

Part #261900

$23.19 | 
21% OFF Phone Price : $29.19
In Stock
Thermostat 4312830
#5

Magnetron and airflow diagram

Thermostat

Part #4312830

Replaced by #WP3188286

?
Manufacturer substitution
This part replaces 4312830. Substitute parts can look different from the original.
$41.39 | 
13% OFF Phone Price : $47.39
In Stock
Light Bulb 4312826
#1

Cabinet and stirrer diagram

Light bulb

Part #4312826

Replaced by #WPA3073101

?
Manufacturer substitution
This part replaces 4312826. Substitute parts can look different from the original.
$18.12 | 
10% OFF Phone Price : $20.12
In Stock
Adhesive 482338

#NI

All parts diagram

Adhesive

Part #482338

Replaced by #WP482338

?
Manufacturer substitution
This part replaces 482338. Substitute parts can look different from the original.
$31.27 | 
16% OFF Phone Price : $37.27
In Stock
Plate 4312882
#15

Magnetron and airflow diagram

Plate

Part #4312882

The manufacturer no longer makes this part, and there's no substitute part

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Effective articles & videos to help repair your microwaves

View all
5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

Read more
Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Read more
Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Read more

Parts & More