Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
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 # MB7120XYB0 Official Whirlpool microwave

Here are the diagrams and repair parts for Official Whirlpool MB7120XYB0 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 80 parts  |
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
Wire (black) 242820

#NI

All parts diagram

Wire (black)

Part #242820

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

Transformer 4365502
#4

Cabinet diagram

Transformer

Part #4365502

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

Wire (orange) 242824

#NI

All parts diagram

Wire (orange)

Part #242824

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

Fan Blade 4174669
#7

Magnetron and air flow diagram

Fan blade

Part #4174669

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

Connector 832889

#NI

All parts diagram

Connector

Part #832889

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

Wire (red) 242825

#NI

All parts diagram

Wire (red)

Part #242825

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

Fuse 4313613
#5

Magnetron and air flow diagram

Fuse

Part #4313613

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

Wire (black) 242828

#NI

All parts diagram

Wire (black)

Part #242828

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