Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Mitsubishi
Air Handler

Model # MS12NN Official Mitsubishi split-type air conditioner

Here are the diagrams and repair parts for Official Mitsubishi MS12NN split-type air conditioner, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Installation guide
Owner’s manual

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

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

Search
ALL PARTS
Showing 10 of 34 parts  |
Drain Hose E02141702
#3

Motor fan assy diagram

Drain hose

Part #E02141702

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

Indoor Fan E02270350
#NI

Motor fan assy diagram

Indoor fan

Part #E02270350

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

Terminal E02268375
#13

Motor fan assy diagram

Terminal

Part #E02268375

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

Varistor E02268385
#NI

Motor fan assy diagram

Varistor

Part #E02268385

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

Union Gas E02138666
#3

Heat exchanger diagram

Union gas

Part #E02138666

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

Installation E02141970
#5

Cabinet parts diagram

Installation

Part #E02141970

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

Lamp Panel E02270007
#NI

Cabinet parts diagram

Lamp panel

Part #E02270007

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

Cap Screw E02143067
#6

Cabinet parts diagram

Cap screw

Part #E02143067

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

Bearing Mo E02141509
#12

Motor fan assy diagram

Bearing mo

Part #E02141509

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

Liquid Union E02138667
#2

Heat exchanger diagram

Liquid union

Part #E02138667

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

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a press-in door gasket in a side-by-side refrigerator

How to replace a press-in door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your air handlers

View all
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.…

Read more

Parts & More