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 # MT4155SPT5 Official Whirlpool 1.5 cubic foot microwave

Here are the diagrams and repair parts for Official Whirlpool MT4155SPT5 1.5 cubic foot 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.

Installation guide
Owner’s manual

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 83 parts  |
Magnetron 8205460
#13

Oven interior parts diagram

Magnetron

Part #8205460

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

Voltage Wire W10171944
#8

Oven interior parts diagram

Voltage wire

Part #W10171944

Replaced by #WP8205489

?
Manufacturer substitution
This part replaces W10171944. Substitute parts can look different from the original.
$32.49 | 
16% OFF Phone Price : $38.49
In Stock
Microwave High-voltage Capacitor 8184813
#4

Oven interior parts diagram

Microwave high-voltage capacitor

Part #8184813

Replaced by #WP8184813

?
Manufacturer substitution
This part replaces 8184813. Substitute parts can look different from the original.
$79.79 | 
7% OFF Phone Price : $85.79
In Stock
Microwave Turntable Motor Coupler W10143947
#7

Oven cavity parts diagram

Microwave turntable motor coupler

Part #W10143947

Replaced by #WPW10143947

?
Manufacturer substitution
This part replaces W10143947. Substitute parts can look different from the original.
This item is not returnable
$11.78 | 
15% OFF Phone Price : $13.78
In Stock
Spring 8184272
#6

Control panel parts diagram

Spring

Part #8184272

Replaced by #WP4158178

?
Manufacturer substitution
This part replaces 8184272. Substitute parts can look different from the original.
This item is not returnable
$6.09 | 
14% OFF Phone Price : $7.09
In Stock
Microwave Wire Harness W10329752
#6

Oven interior parts diagram

Microwave wire harness

Part #W10329752

$64.84
In Stock
Microwave Door Release Button (white) W10298898
#1A

Control panel parts diagram

Microwave door release button (white)

Part #W10298898

$20.59 | 
23% OFF Phone Price : $26.59
In Stock
Power Cord W10329754
#9

Oven interior parts diagram

Power cord

Part #W10329754

Replaced by #W10329906

?
Manufacturer substitution
This part replaces W10329754. Substitute parts can look different from the original.
$48.04
In Stock
Microwave Turntable Support W10207752
#8

Oven cavity parts diagram

Microwave turntable support

Part #W10207752

Replaced by #WPW10207752

?
Manufacturer substitution
This part replaces W10207752. Substitute parts can look different from the original.
This item is not returnable
$17.99 | 
10% OFF Phone Price : $19.99
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

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