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
Central Air Conditioner

Model # PUZ-A18NHA3 Official Mitsubishi split-system outdoor unit

Here are the diagrams and repair parts for Official Mitsubishi PUZ-A18NHA3 split-system outdoor unit, 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

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 37 parts  |
Central Air Conditioner Electronic Control Board T7WE38313
#21

Functional parts diagram

Central air conditioner electronic control board

Part #T7WE38313

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

Motor Support R01E29130
#9

Structural parts diagram

Motor support

Part #R01E29130

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

Ser Panel T7WE03667
#5

Structural parts diagram

Ser panel

Part #T7WE03667

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

Central Air Conditioner Electronic Control Board T7WE84315
#18

Functional parts diagram

Central air conditioner electronic control board

Part #T7WE84315

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

Terminal Block T7WE39716
#17

Functional parts diagram

Terminal block

Part #T7WE39716

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

Thermistor R01E97202
#14

Functional parts diagram

Thermistor

Part #R01E97202

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

Strainer R0131L450
#5

Functional parts diagram

Strainer

Part #R0131L450

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

Muffler T7WE06467
#23

Functional parts diagram

Muffler

Part #T7WE06467

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

Base R01E34686
#3

Structural parts diagram

Base

Part #R01E34686

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

Compressor T92570280
#4

Functional parts diagram

Compressor

Part #T92570280

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 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
How to replace a defrost sensor in a side-by-side refrigerator

How to replace a defrost sensor in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost sensor could be at fault. You can …

Read more
Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your central air conditioners

View all
Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

Read more
How to prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

Read more
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.…

Read more

Parts & More