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Whirlpool
Countertop Microwave

Model # MT3090XAQ0 Official Whirlpool microwave

Here are the diagrams and repair parts for Official Whirlpool MT3090XAQ0 microwave, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 67 parts  |
Fuse (black) 4375321
#22

Magnetron and airflow diagram

Fuse (black)

Part #4375321

Replaced by #WP4375321

?
Manufacturer substitution
This part replaces 4375321. Substitute parts can look different from the original.
$14.13 | 
12% OFF Phone Price : $16.13
In Stock
Microwave Magnetron Thermostat 4375079
#5

Magnetron and airflow diagram

Microwave magnetron thermostat

Part #4375079

Replaced by #WP4375079

?
Manufacturer substitution
This part replaces 4375079. Substitute parts can look different from the original.
$35.31 | 
15% OFF Phone Price : $41.31
In Stock
Screw 4375035
Screw

Part #4375035

Replaced by #8206180

?
Manufacturer substitution
This part replaces 4375035. Substitute parts can look different from the original.
$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Microwave High-voltage Capacitor 4375020
#4

Cabinet diagram

Microwave high-voltage capacitor

Part #4375020

Replaced by #WP4375020

?
Manufacturer substitution
This part replaces 4375020. Substitute parts can look different from the original.
$108.39 | 
10% OFF Phone Price : $120.39
In Stock
Magnetron 4375072
#4

Magnetron and airflow diagram

Magnetron

Part #4375072

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

Lock Washer 4375039
#11

Cabinet diagram

Lock washer

Part #4375039

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

Trim Kit 4319240

#NI

All parts diagram

Trim kit

Part #4319240

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

Shift Gasket 4375036
#10

Turn table and grille diagram

Shift gasket

Part #4375036

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

Clip 4375043
#15

Magnetron and airflow diagram

Clip

Part #4375043

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

Screw 4375038
#13

Cabinet diagram

Screw

Part #4375038

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

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