Carrier
Room Air Conditioner

Model # 51HKA122300 Official Carrier room air conditioner

Here are the diagrams and repair parts for Official Carrier 51HKA122300 room air conditioner, 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 77 parts  |

Thermostat 51HK660011

#18A

All parts diagram

Thermostat

Part #51HK660011

In Stock
Switch HR54KL249

#22

All parts diagram

Switch

Part #HR54KL249

In Stock
Escutcheon (control Panel) 51HK500964

#7

All parts diagram

Escutcheon (control panel)

Part #51HK500964

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

Angle (left Side) 51TA500363

#56

All parts diagram

Angle (left side)

Part #51TA500363

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

Paint, Touch - Up (alpine Mist) (not Shown) PH23WL012

#6

All parts diagram

Paint, touch - up (alpine mist) (not shown)

Part #PH23WL012

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

Angel (right Side) 51TA500373

#57

All parts diagram

Angel (right side)

Part #51TA500373

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

Base Fan 51HK401371

#45

All parts diagram

Base fan

Part #51HK401371

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

Bellows Heater (not Shown) 51PG098517

#20

All parts diagram

Bellows heater (not shown)

Part #51PG098517

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

Side Panel 51YC500313

#55

All parts diagram

Side panel

Part #51YC500313

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

Gauge Assembly 51HK400161

#60

All parts diagram

Gauge assembly

Part #51HK400161

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

Most common symptoms to help you fix your room air conditioners

Most common repair guides to help fix your room air conditioners

Effective articles & videos to help repair your room air conditioners

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

How to tell if a fuse is blown

How to tell if a fuse is blown

Learn how to tell whether a fuse is blown…

Keeping your smart appliances secure from hackers

Keeping your smart appliances secure from hackers

Find out how to protect your smart appliances from malevolent invasions by hackers.…