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 # MT3100SHQ0 Official Whirlpool microwave

Here are the diagrams and repair parts for Official Whirlpool MT3100SHQ0 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 73 parts  |
Voltage Wire 8171879
#8

Oven interior diagram

Voltage wire

Part #8171879

Replaced by #WP8205489

?
Manufacturer substitution
This part replaces 8171879. Substitute parts can look different from the original.
$32.49 | 
16% OFF Phone Price : $38.49
In Stock
Fuse 4359121
#17

Oven interior diagram

Fuse

Part #4359121

Replaced by #WP8183507

?
Manufacturer substitution
This part replaces 4359121. Substitute parts can look different from the original.
This item is not returnable
$14.39 | 
12% OFF Phone Price : $16.39
In Stock
Switch 4158941
#4

Latch board diagram

Switch

Part #4158941

Replaced by #4392027

?
Manufacturer substitution
This part replaces 4158941. Substitute parts can look different from the original.
$69.11 | 
8% OFF Phone Price : $75.11
In Stock
Switch 4158769
#5

Latch board diagram

Switch

Part #4158769

Replaced by #4392027

?
Manufacturer substitution
This part replaces 4158769. Substitute parts can look different from the original.
$69.11 | 
8% OFF Phone Price : $75.11
In Stock
Microwave Screw 4358489
Microwave screw

Part #4358489

Replaced by #4344826

?
Manufacturer substitution
This part replaces 4358489. Substitute parts can look different from the original.
$12.49
In Stock
Screw 4358192
#5

Base plate diagram

Screw

Part #4358192

Replaced by #W11380570

?
Manufacturer substitution
This part replaces 4358192. Substitute parts can look different from the original.
This item is not returnable
$18.19 | 
10% OFF Phone Price : $20.19
In Stock
Cook Tray 8171806
#6

Oven cavity diagram

Cook tray

Part #8171806

Replaced by #WP8204899

?
Manufacturer substitution
This part replaces 8171806. Substitute parts can look different from the original.
$57.69
In Stock
Fan Blade 4158758
#1

Oven interior diagram

Fan blade

Part #4158758

Replaced by #8184292

?
Manufacturer substitution
This part replaces 4158758. Substitute parts can look different from the original.
$36.16
In Stock
Switch 4158940
#3

Latch board diagram

Switch

Part #4158940

Replaced by #4392027

?
Manufacturer substitution
This part replaces 4158940. Substitute parts can look different from the original.
$69.11 | 
8% OFF Phone Price : $75.11
In Stock
Screw 8171876
#15B

Oven cavity diagram

Screw

Part #8171876

Replaced by #8169474

?
Manufacturer substitution
This part replaces 8171876. Substitute parts can look different from the original.
This item is not returnable
$5.24
In Stock

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