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 # PJX-42AG.US Official Mitsubishi air conditioner heat pump

Here are the diagrams and repair parts for Official Mitsubishi PJX-42AGUS 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.

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 42 parts  |
Tee Branch T7W890463
#12

Pj-18ag.us, 24ag.us, pjx-36ag.us, 42ag.us structural diagram

Tee branch

Part #T7W890463

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

Nozzle T7W200550
#29

Pj-18ag.us, 24ag.us, pjx-36ag.us, 42ag.us structural diagram

Nozzle

Part #T7W200550

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

Relay T7W830215
#12

Control box diagram

Relay

Part #T7W830215

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

Trmnl Blk R01998246
#4

Control box diagram

Trmnl blk

Part #R01998246

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

Lover Motor T7W200222
#26

Pj-18ag.us, 24ag.us, pjx-36ag.us, 42ag.us structural diagram

Lover motor

Part #T7W200222

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

Fuse T7W651239
#8

Control box diagram

Fuse

Part #T7W651239

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

Tee Branch T7W890464
#13

Pj-18ag.us, 24ag.us, pjx-36ag.us, 42ag.us structural diagram

Tee branch

Part #T7W890464

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

Air Filter T7W200500
#32

Pj-18ag.us, 24ag.us, pjx-36ag.us, 42ag.us structural diagram

Air filter

Part #T7W200500

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

Ht Exchgr T7W201480
#10

Pj-18ag.us, 24ag.us, pjx-36ag.us, 42ag.us structural diagram

Ht exchgr

Part #T7W201480

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

Trmnl Blk R01556246
#5

Control box diagram

Trmnl blk

Part #R01556246

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

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Read more

Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Read more

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

Read more
Repair difficulty
Time required
 15 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