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
Carrier
Air Handler

Model # 40QNQ018301 Official Carrier air handler

Here are the diagrams and repair parts for Official Carrier 40QNQ018301 air handler, 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 32 parts  |
Carrier Contrl,box 40QN660005
#11

Cabinet assy diagram

Carrier contrl,box

Part #40QN660005

$1348.22
In Stock
Guard,coil 42KG8A32280
#9

Cabinet assy diagram

Guard,coil

Part #42KG8A32280

$78.91
In Stock
Guard,coil 42KG8A3223A
#10

Cabinet assy diagram

Guard,coil

Part #42KG8A3223A

$54.76
In Stock
Bracket Unit 42KH8M3003B
#23

Cabinet assy diagram

Bracket unit

Part #42KH8M3003B

$255.51
In Stock
Remote,kit 40QN660002
#30

Cabinet assy diagram

Remote,kit

Part #40QN660002

$241.98
In Stock
Front Panel 42KH8A30140
#29

Cabinet assy diagram

Front panel

Part #42KH8A30140

$313.71
In Stock
Ionizer Asy PIO01RL0080
#1A

Cabinet assy diagram

Ionizer asy

Part #PIO01RL0080

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

Louver 2 42KP8A22150A
#17

Cabinet assy diagram

Louver 2

Part #42KP8A22150A

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

Mtr Brcket 42KP8A3212A
#3

Cabinet assy diagram

Mtr brcket

Part #42KP8A3212A

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

Cap,screws 42KH8A30130
#28

Cabinet assy diagram

Cap,screws

Part #42KH8A30130

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

Symptoms for electric water heaters

Why does my water heater's heating element fail often?

Main causes: excessive tank sediment, high voltage supply…

Read more

Why does the temperature of my hot water fluctuate?

Main causes: thermostats need adjustment, bad heating elements, faulty thermostats, tank sediment build-up, broken dip t…

Read more

Repair guides for electric water heaters

How to replace a water heater element

How to replace a water heater element

If your water heater runs out of hot water quickly and one of the two heating elements has failed, replace the element f…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace an electric water heater anode rod

How to replace an electric water heater anode rod

If your hot water begins to smell like rotten eggs, replace the anode rod with a zinc-aluminum anode rod following the i…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace an electric water heater thermostat

How to replace an electric water heater thermostat

If the water temperature fluctuates or you don't get enough hot water, follow these instructions to replace your water h…

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