Carrier
Central Air Conditioner

Model # 38TKB042 SERIES300 Official Carrier condensing unit

Here are the diagrams and repair parts for Official Carrier 38TKB042-SERIES300 condensing 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.

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 55 parts  |

Contactor HN51KB024
#25

Control box/cover diagram

Contactor

Part #HN51KB024

Replaced by #90-244

?
Manufacturer substitution
This part replaces HN51KB024. Substitute parts can look different from the original.
BEST SELLER
$26.61
18% OFF Phone Price : $32.61
In Stock
Central Air Conditioner Condenser Fan Motor (replaces Hc35sl231, Hc39ge232, Hc39ge236) HC39GE237
#40

Fan blade/pan base diagram

Central air conditioner condenser fan motor (replaces hc35sl231, hc39ge232, hc39ge236)

Part #HC39GE237

$360.93
$12.00 OFF Phone Price : $372.93
In Stock
Grommet P041-5102
#17

Compressor/condenser coil 1 diagram

Grommet

Part #P041-5102

This item is not returnable
In Stock
Cap,stem 328963-751
#54

Stem cap/compressor plug diagram

Cap,stem

Part #328963-751

In Stock
Grommet KA56GR140
#9

Inlet grille/service panel diagram

Grommet

Part #KA56GR140

This item is not returnable
In Stock
Valve EC39DM061
#NI

Inlet grille/service panel diagram

Valve

Part #EC39DM061

This item is not returnable
In Stock
Lug HY90AZ009
#38

Control box/cover diagram

Lug

Part #HY90AZ009

In Stock
Paint 313974-755
#NI

Inlet grille/service panel diagram

Paint

Part #313974-755

In Stock
Raceway 319421-307
#44

Compressor/condenser coil 1 diagram

Raceway

Part #319421-307

In Stock
Central Air Conditioner Capacitor Strap 317739-302
#29

Control box/cover diagram

Central air conditioner capacitor strap

Part #317739-302

In Stock

Effective articles & videos to help repair your central air conditioners

Maintaining your air conditioner

Maintaining your air conditioner

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

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…

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.…