Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
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 # SEZ-KD12NA Official Mitsubishi split-system air conditioner heat pump

Here are the diagrams and repair parts for Official Mitsubishi SEZ-KD12NA split-system air conditioner heat pump, 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 33 parts  |
Fan Case B E17320129
#203

Blower parts diagram

Fan case b

Part #E17320129

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

Pipe Cover E17319690
#106

External parts diagram

Pipe cover

Part #E17319690

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

Panel 1-un E17475717
#114

External parts diagram

Panel 1-un

Part #E17475717

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

Motor Base E17319128
#201

Blower parts diagram

Motor base

Part #E17319128

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

Bushing E17319013
#405

Control box assy diagram

Bushing

Part #E17319013

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

Nut Flare E17319660
#126

External parts diagram

Nut flare

Part #E17319660

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

Drain Hose E17319702
#123

External parts diagram

Drain hose

Part #E17319702

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

Mount Rt E17320505
#206

Blower parts diagram

Mount rt

Part #E17320505

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

Terminal Block E17162375
#403

Control box assy diagram

Terminal block

Part #E17162375

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

Motor E17319300
#208

Blower parts diagram

Motor

Part #E17319300

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

Repair guides for electric wall ovens

How to replace a wall oven broil element

How to replace a wall oven broil element

Follow these step-by-step instructions to replace the broiler element in an electric oven.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a temperature sensor on an electric wall oven

How to replace a temperature sensor on an electric wall oven

These step-by-step instructions guide you through replacing a temperature sensing probe on an electric wall oven.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a wall oven hidden bake element

How to replace a wall oven hidden bake element

These step-by-step instructions guide you through replacing the hidden bake element.…

Read more
Repair difficulty
Time required
 30 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