Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Please enter one or more characters
Scan Icon
Tips to find your model number
Water filter finder tool
Top DIY repair help
View All Repair Categories

Appliances

Lawn & Garden

Power Tools

Home Improvement

Sports & Leisure

Heating & Cooling

View all parts by brand
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Countertop Microwave

Model # MG8120XDB0 Official Whirlpool microwave

Here are the diagrams and repair parts for Official Whirlpool MG8120XDB0 microwave, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for
MG8120XDB0 Microwaves
Magnetron 4375072
#4

Magnetron and air flow diagram

Magnetron

Part #4375072

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

Microwave High-voltage Capacitor 4375020
#12

Magnetron and air flow diagram

Microwave high-voltage capacitor

Part #4375020

Replaced by #WP4375020

?
Manufacturer substitution
This part replaces 4375020. Substitute parts can look different from the original.
BEST SELLER
$108.39 | 
10% OFF Phone Price : $120.39
In Stock
Fuse (black) 4375321
#2

Magnetron and air flow diagram

Fuse (black)

Part #4375321

Replaced by #WP4375321

?
Manufacturer substitution
This part replaces 4375321. Substitute parts can look different from the original.
$15.44 | 
11% OFF Phone Price : $17.44
In Stock
Microwave High-voltage Transformer 4375286
#15

Magnetron and air flow diagram

Microwave high-voltage transformer

Part #4375286

Replaced by #WP4375286

?
Manufacturer substitution
This part replaces 4375286. Substitute parts can look different from the original.
$265.58 | 
$12.00 OFF Phone Price : $277.58
In Stock
Cook Tray 4375274
#5

Turn table and grille diagram

Cook tray

Part #4375274

Replaced by #W10818723

?
Manufacturer substitution
This part replaces 4375274. Substitute parts can look different from the original.
$105.60 | 
10% OFF Phone Price : $117.60
In Stock
Fuse Block 4375231
#13

Magnetron and air flow diagram

Fuse block

Part #4375231

Replaced by #W10245194

?
Manufacturer substitution
This part replaces 4375231. Substitute parts can look different from the original.
$78.34
In Stock
Crisper Pan 4375191
#2

Turn table and grille diagram

Crisper pan

Part #4375191

Replaced by #WPW10120480

?
Manufacturer substitution
This part replaces 4375191. Substitute parts can look different from the original.
$55.04 | 
10% OFF Phone Price : $61.04
In Stock
Microwave Cooling Fan Motor 4375278
#20

Magnetron and air flow diagram

Microwave cooling fan motor

Part #4375278

$161.24 | 
7% OFF Phone Price : $173.24
In Stock
Gasket Element 4375254
#17

Turn table and grille diagram

Gasket element

Part #4375254

$23.82
In Stock
Screw 4375202
#16A

Door and latch diagram

Screw

Part #4375202

Replaced by #461967825321

?
Manufacturer substitution
This part replaces 4375202. Substitute parts can look different from the original.
$7.65
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