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
Carrier
Air Handler

Model # 40BNC018301 Official Carrier air handler

Here are the diagrams and repair parts for Official Carrier 40BNC018301 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 28 parts  |
Filter 51301030400
#22

Cabinet parts diagram

Filter

Part #51301030400

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

Grille Assembly 51308443280
#10

Cabinet parts diagram

Grille assembly

Part #51308443280

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

Sensor 51303502660
#26

Cabinet parts diagram

Sensor

Part #51303502660

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

Cable 51307914600
#12

Cabinet parts diagram

Cable

Part #51307914600

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

Drain Hose 51202360500
#23

Cabinet parts diagram

Drain hose

Part #51202360500

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

Frame 51308443310
#17

Cabinet parts diagram

Frame

Part #51308443310

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

Circuit Board 51303518400
#15

Cabinet parts diagram

Circuit board

Part #51303518400

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

Bracket Unit Mounting 51304478800
#1

Cabinet parts diagram

Bracket unit mounting

Part #51304478800

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

Cover, Piping 51301291600
#2

Cabinet parts diagram

Cover, piping

Part #51301291600

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

Holder 51300902600
#4

Cabinet parts diagram

Holder

Part #51300902600

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

Symptoms for gas ranges

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

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

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 range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…

Read more
Repair difficulty
Time required
 45 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