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Whirlpool
Countertop Microwave

Model # MT4078SPB2 Official Whirlpool countertop microwave

Here are the diagrams and repair parts for Official Whirlpool MT4078SPB2 countertop microwave, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 49 parts  |
Fan Blade 8184292
#1

Oven interior parts diagram

Fan blade

Part #8184292

$36.16
In Stock
Switch 8184285
#3

Latch board parts diagram

Switch

Part #8184285

Replaced by #4392027

?
Manufacturer substitution
This part replaces 8184285. Substitute parts can look different from the original.
$69.11 | 
8% OFF Phone Price : $75.11
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
Cook Guide 8204862
#1A

Door parts diagram

Cook guide

Part #8204862

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

Base 8205491
#1

Base plate parts diagram

Base

Part #8205491

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

Microwave Under-the-cabinet Installation Kit W10206556
#(NI)

Base plate parts diagram

Microwave under-the-cabinet installation kit

Part #W10206556

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

Mounting Bracket 8205476
#2

Oven cavity parts diagram

Mounting bracket

Part #8205476

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

Screw 4358190
#24

Oven interior parts diagram

Screw

Part #4358190

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

Control Panel 8205472
#5A

Control panel parts diagram

Control panel

Part #8205472

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

Switch 8205468
#4

Control panel parts diagram

Switch

Part #8205468

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

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