Carrier
Central Air Conditioner

Model # 38QRF018300 Official Carrier heat pump

Here are the diagrams and repair parts for Official Carrier 38QRF018300 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 56 parts  |

Contactor HN51KB024
#38

Control assy diagram

Contactor

Part #HN51KB024

Replaced by #90-244

?
Manufacturer substitution
This part replaces HN51KB024. Substitute parts can look different from the original.
$26.61
18% OFF Phone Price : $32.61
In Stock
Capactr Duel P291-3053RS
#43

Control assy diagram

Capactr duel

Part #P291-3053RS

Replaced by #CAP050300440RSP

?
Manufacturer substitution
This part replaces P291-3053RS. Substitute parts can look different from the original.
This item is not returnable
$34.08
15% OFF Phone Price : $40.08
In Stock
Accumulatr KH74HG140
#75

Inside cabinet parts diagram

Accumulatr

Part #KH74HG140

In Stock
Mount-motor 38QR400146
#51

Outside cabinet parts diagram

Mount-motor

Part #38QR400146

In Stock
Grommet KA56GR140
#11

Outside cabinet parts diagram

Grommet

Part #KA56GR140

This item is not returnable
In Stock
Valve EF17BZ113
#74

Inside cabinet parts diagram

Valve

Part #EF17BZ113

$297.44
$12.00 OFF Phone Price : $309.44
In Stock
Central Air Conditioner Capacitor Strap 317739-302
#31

Control assy diagram

Central air conditioner capacitor strap

Part #317739-302

In Stock
Grommet P041-5103
#21

Outside cabinet parts diagram

Grommet

Part #P041-5103

In Stock
Connector HY90AZ021
#42

Control assy diagram

Connector

Part #HY90AZ021

This item is not returnable
In Stock
Payne Plug Assembly EF19ZG006
#35

Control assy diagram

Payne plug assembly

Part #EF19ZG006

In Stock

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace the evaporator fan motor in a top-freezer refrigerator

How to replace the evaporator fan motor in a top-freezer refrigerator

The evaporator fan motor blows air across the evaporator coils and through the refrigerator cabinet for cooling. Replace…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor start relay in a top-freezer refrigerator

How to replace the compressor start relay in a top-freezer refrigerator

The compressor start relay starts the compressor and shuts it off if the motor overheats. Replace the start relay if it'…

Repair difficulty
Time required
 15 minutes or less

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.…