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-KD18NA4 Official Mitsubishi split-system air conditioner heat pump

Here are the diagrams and repair parts for Official Mitsubishi SEZ-KD18NA4 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 36 parts  |
Panel 1-un E17477717
#115

Cabinet parts diagram

Panel 1-un

Part #E17477717

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

Fan Case A E17319129
#302

Motor assy diagram

Fan case a

Part #E17319129

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

Panel 2-un E17326718
#118

Cabinet parts diagram

Panel 2-un

Part #E17326718

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

Mount Lt E17319505
#305

Motor assy diagram

Mount lt

Part #E17319505

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

Bearing E17321509
#309

Motor assy diagram

Bearing

Part #E17321509

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

Pipe Cover E17319690
#106

Cabinet parts diagram

Pipe cover

Part #E17319690

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

Heat Exchange E17531620
#104

Cabinet parts diagram

Heat exchange

Part #E17531620

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

Fan Joint E17321518
#312

Motor assy diagram

Fan joint

Part #E17321518

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

Terminal Block E17156375
#402

Pcb assy diagram

Terminal block

Part #E17156375

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

Plug,rubbe E17414524
#128

Cabinet parts diagram

Plug,rubbe

Part #E17414524

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

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