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 MW8400XS0 microwave Parts

Here are the diagrams and repair parts for Whirlpool MW8400XS0 microwave, as well as links to manuals and error code tables, if available.

Whirlpool MW8400XS0 microwave
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for MW8400XS0 Microwaves

  • Microcomputer for Whirlpool MW8400XS0 - Part 3147339

    Control panel diagram

    Microcomputer

    Part #3147339

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

  • Wire (red) for Whirlpool MW8400XS0 - Part 242825

    #NI

    All parts diagram

    Wire (red)

    Part #242825

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

  • Door Handle for Whirlpool MW8400XS0 - Part 313610

    Door and latch diagram

    Door Handle

    Part #313610

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

  • Screw for Whirlpool MW8400XS0 - Part 310211

    Door and latch diagram

    Screw

    Part #310211

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

  • Bracket Catch for Whirlpool MW8400XS0 - Part 311354

    Door and latch diagram

    Bracket Catch

    Part #311354

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

  • Cookbook for Whirlpool MW8400XS0 - Part LIT313145

    #NI

    All parts diagram

    Cookbook

    Part #LIT313145

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

  • Wire (brown) for Whirlpool MW8400XS0 - Part 242822

    #NI

    All parts diagram

    Wire (brown)

    Part #242822

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

  • Control Knob for Whirlpool MW8400XS0 - Part 313743

    Control panel diagram

    Control Knob

    Part #313743

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

  • Catch Switch for Whirlpool MW8400XS0 - Part 311795

    Door and latch diagram

    Catch Switch

    Part #311795

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

  • Screw for Whirlpool MW8400XS0 - Part 312782

    Magnetron and air flow diagram

    Screw

    Part #312782

    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

Central Air Conditioner
Chest Freezer
Dehumidifier
Dishwasher
Electric Range
Exercise Cycle
Gas Range
Gas Walk-Behind Mower
Microwave/Hood Combo
Parts