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Whirlpool
Countertop Microwave

Model # MW8400XS1 Official Whirlpool microwave

Here are the diagrams and repair parts for Official Whirlpool MW8400XS1 microwave, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 124 parts  |
Magnetron 660595
#29

Magnetron and airflow diagram

Magnetron

Part #660595

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

Adhesive 482338

#NI

All parts diagram

Adhesive

Part #482338

Replaced by #WP482338

?
Manufacturer substitution
This part replaces 482338. Substitute parts can look different from the original.
$31.27 | 
16% OFF Phone Price : $37.27
In Stock
Fuse 661172
#14

Magnetron and airflow diagram

Fuse

Part #661172

Replaced by #STD388200

?
Manufacturer substitution
This part replaces 661172. Substitute parts can look different from the original.
This item is not returnable
$2.53 | 
28% OFF Phone Price : $3.53
In Stock
Support 313653
#22

Cabinet and hinge diagram

Support

Part #313653

Replaced by #WP3149478

?
Manufacturer substitution
This part replaces 313653. Substitute parts can look different from the original.
This item is not returnable
$4.49 | 
18% OFF Phone Price : $5.49
In Stock
Appliance Touch-up Paint, 6-oz (citrine White) 261900

#NI

All parts diagram

Appliance touch-up paint, 6-oz (citrine white)

Part #261900

$23.19 | 
21% OFF Phone Price : $29.19
In Stock
Cooking Appliance 14-gauge Splicing Wire, 200-degree C (red) 242831

#NI

All parts diagram

Cooking appliance 14-gauge splicing wire, 200-degree c (red)

Part #242831

$318.95
In Stock
Drive Button 313611
#37

Door and latch diagram

Drive button

Part #313611

$29.01
In Stock
Cable Tie 309330
Cable tie

Part #309330

Replaced by #WPW10339879

?
Manufacturer substitution
This part replaces 309330. Substitute parts can look different from the original.
This item is not returnable
$4.37 | 
19% OFF Phone Price : $5.37
In Stock
Switch 661146
Switch

Part #661146

Replaced by #814037

?
Manufacturer substitution
This part replaces 661146. Substitute parts can look different from the original.
$33.18
In Stock
Light Bulb 313969
#11

Cabinet and hinge diagram

Light bulb

Part #313969

Replaced by #WP3395618

?
Manufacturer substitution
This part replaces 313969. Substitute parts can look different from the original.
$32.51 | 
16% OFF Phone Price : $38.51
In Stock

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