Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Whirlpool MT4078SKB0 countertop microwave

Whirlpool MT4078SKB0 countertop microwave Parts

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

By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for MT4078SKB0 Microwaves

  • Owner's Manual for Whirlpool MT4078SKB0 - Part LIT8184351

    Door/literature diagram

    Owner's Manual

    Part #LIT8184351

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

  • Switch for Whirlpool MT4078SKB0 - Part 8184368

    Control panel diagram

    Switch

    Part #8184368

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

  • Door Frame for Whirlpool MT4078SKB0 - Part 8184352

    Door/literature diagram

    Door Frame

    Part #8184352

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

  • Screw for Whirlpool MT4078SKB0 - Part 4358381

    Screw

    Part #4358381

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

  • Air Duct for Whirlpool MT4078SKB0 - Part 8184379

    Oven interior diagram

    Air Duct

    Part #8184379

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

Effective articles & videos to help repair your microwaves

Are DIY appliance repairs safe?

Are DIY appliance repairs safe?

Find out how to stay safe when repairing your appliances.…

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.…

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.…

Parts & More

Cooktop
Dishwasher
Dryer
Electric Range
Freestanding Freezer
Grass Catcher Attachment
Lawn Edger
Microwave/Hood Combo
Parts
Refrigerator
Riding Mowers & Tractors
Tiller
Top-Mount Refrigerator
Treadmill
Wall Oven/Microwave Combo
Washer
Wet/Dry Vacuum