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Whirlpool
Countertop Microwave

Model # MT4078SKB0 Official Whirlpool countertop microwave

Here are the diagrams and repair parts for Official Whirlpool MT4078SKB0 countertop microwave, as well as links to manuals and error code tables, if available.

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  • 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”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 54 parts  |
Switch 8184368
#4

Control panel diagram

Switch

Part #8184368

$94.04
In Stock
Fan Blade 8184292
#1

Oven interior diagram

Fan blade

Part #8184292

$36.16
In Stock
Fan Motor 8183767
#3

Oven interior diagram

Fan motor

Part #8183767

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

Power Cord 8184381
#9

Oven interior diagram

Power cord

Part #8184381

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

Screw 4358883
#10

Control panel diagram

Screw

Part #4358883

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

Microwave Button 8184366
#2

Control panel diagram

Microwave button

Part #8184366

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

Transformer 8184380
#4

Base plate diagram

Transformer

Part #8184380

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

Thermostat 8184383
#10

Oven interior diagram

Thermostat

Part #8184383

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

Wrapper Cabinet 8184371
#NI

Base plate diagram

Wrapper cabinet

Part #8184371

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

Cap Fuse 4358659
#18

Oven interior diagram

Cap fuse

Part #4358659

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

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