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-A42NHA3 Official Mitsubishi split-system outdoor unit

Here are the diagrams and repair parts for Official Mitsubishi PUZ-A42NHA3 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 44 parts  |
Exchanger T7WE61408
#4

Functional parts diagram

Exchanger

Part #T7WE61408

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

High Pressure T7WE07208
#17

Functional parts diagram

High pressure

Part #T7WE07208

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

Fan Grille T7WE03691
#2

Structural parts diagram

Fan grille

Part #T7WE03691

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

Top Panel R01E14641
#12

Structural parts diagram

Top panel

Part #R01E14641

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

Valve Ball R01E12411
#12

Functional parts diagram

Valve ball

Part #R01E12411

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

Rear Guard R01E07698
#11

Structural parts diagram

Rear guard

Part #R01E07698

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

Stop Valve T7WE04410
#9

Functional parts diagram

Stop valve

Part #T7WE04410

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

Reactor T7WE17259
#24

Functional parts diagram

Reactor

Part #T7WE17259

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

Handle R01E01655
#6

Structural parts diagram

Handle

Part #R01E01655

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

Thermistor R01E99202
#26

Functional parts diagram

Thermistor

Part #R01E99202

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

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