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 # MT3090XAB0 Official Whirlpool microwave

Here are the diagrams and repair parts for Official Whirlpool MT3090XAB0 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 67 parts  |
Microwave Magnetron Thermostat 4375079
#5

Magnetron and airflow diagram

Microwave magnetron thermostat

Part #4375079

Replaced by #WP4375079

?
Manufacturer substitution
This part replaces 4375079. Substitute parts can look different from the original.
$35.31 | 
15% OFF Phone Price : $41.31
In Stock
Screw 4375035
Screw

Part #4375035

Replaced by #8206180

?
Manufacturer substitution
This part replaces 4375035. Substitute parts can look different from the original.
$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Fuse (black) 4375321
#22

Magnetron and airflow diagram

Fuse (black)

Part #4375321

Replaced by #WP4375321

?
Manufacturer substitution
This part replaces 4375321. Substitute parts can look different from the original.
$14.13 | 
12% OFF Phone Price : $16.13
In Stock
Magnetron 4375072
#4

Magnetron and airflow diagram

Magnetron

Part #4375072

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

Microwave High-voltage Capacitor 4375020
#4

Cabinet diagram

Microwave high-voltage capacitor

Part #4375020

Replaced by #WP4375020

?
Manufacturer substitution
This part replaces 4375020. Substitute parts can look different from the original.
$108.39 | 
10% OFF Phone Price : $120.39
In Stock
Fuse Block 4375047
#21

Magnetron and airflow diagram

Fuse block

Part #4375047

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

Fan Motor 4375075
#6

Magnetron and airflow diagram

Fan motor

Part #4375075

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

Cook Guide Label LIT4375007

#NI

All parts diagram

Cook guide label

Part #LIT4375007

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

Frame Control 4375086
#2B

Control panel diagram

Frame control

Part #4375086

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

Outer Frame 4375061
#4B

Door and latch diagram

Outer frame

Part #4375061

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

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