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 # MT4145SKB0 Official Whirlpool countertop microwave

Here are the diagrams and repair parts for Official Whirlpool MT4145SKB0 countertop 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 79 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
Capacitor 8183856
#4

Oven interior diagram

Capacitor

Part #8183856

Replaced by #WP8184813

?
Manufacturer substitution
This part replaces 8183856. Substitute parts can look different from the original.
$79.79 | 
7% OFF Phone Price : $85.79
In Stock
Mounting Bracket 4359156
#2

Latch board diagram

Mounting bracket

Part #4359156

Replaced by #WP8185271

?
Manufacturer substitution
This part replaces 4359156. Substitute parts can look different from the original.
$40.45 | 
13% OFF Phone Price : $46.45
In Stock
Microwave Fuse 8183507
#17

Oven interior diagram

Microwave fuse

Part #8183507

Replaced by #WP8183507

?
Manufacturer substitution
This part replaces 8183507. Substitute parts can look different from the original.
This item is not returnable
$14.39 | 
12% OFF Phone Price : $16.39
In Stock
Screw 4358362
#15A

Oven cavity diagram

Screw

Part #4358362

Replaced by #W11245710

?
Manufacturer substitution
This part replaces 4358362. Substitute parts can look different from the original.
This item is not returnable
$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Spring 4158178
#9

Control panel diagram

Spring

Part #4158178

Replaced by #WP4158178

?
Manufacturer substitution
This part replaces 4158178. Substitute parts can look different from the original.
This item is not returnable
$6.09 | 
14% OFF Phone Price : $7.09
In Stock
Turntable Motor 8183504
#11

Oven cavity diagram

Turntable motor

Part #8183504

Replaced by #WPW10159107

?
Manufacturer substitution
This part replaces 8183504. Substitute parts can look different from the original.
$70.45 | 
8% OFF Phone Price : $76.45
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
Screw 8171862
#16

Oven cavity diagram

Screw

Part #8171862

Replaced by #8169474

?
Manufacturer substitution
This part replaces 8171862. Substitute parts can look different from the original.
This item is not returnable
$5.24
In Stock
Microwave Magnetron 8184652
#13

Oven interior diagram

Microwave magnetron

Part #8184652

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