Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Please enter one or more characters
Scan Icon
Tips to find your model number
Water filter finder tool
Top DIY repair help
View All Repair Categories

Appliances

Lawn & Garden

Power Tools

Home Improvement

Sports & Leisure

Heating & Cooling

View all parts by brand
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Room Air Conditioner

Model # 51HKB122300 Official Carrier room air conditioner

Here are the diagrams and repair parts for Official Carrier 51HKB122300 room air conditioner, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for
51HKB122300 Room Air Conditioner
Switch HR54KL249

#22

All parts diagram

Switch

Part #HR54KL249

$85.09
In Stock
Thermostat 51HK660011

#18A

All parts diagram

Thermostat

Part #51HK660011

$187.65
In Stock
Evaporator Coil 51HK401551

#48

All parts diagram

Evaporator coil

Part #51HK401551

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

Fan Motor HC43CE230

#30

All parts diagram

Fan motor

Part #HC43CE230

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

Thermo Tube 51RA500131

#28

All parts diagram

Thermo tube

Part #51RA500131

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

Retainer (2) 51HE500142

#29

All parts diagram

Retainer (2)

Part #51HE500142

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

Star Thermistor (not Shown) 06MC660004

#17

All parts diagram

Star thermistor (not shown)

Part #06MC660004

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

(51hkb224300, 51hkb224310, 51hkc224310, 51hkd224320, 51hkd224330) (qty 3) KA75UR500

#32

All parts diagram

(51hkb224300, 51hkb224310, 51hkc224310, 51hkd224320, 51hkd224330) (qty 3)

Part #KA75UR500

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

Air Conditioner Blower Wheel LA21JB090

#37

All parts diagram

Air conditioner blower wheel

Part #LA21JB090

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

Wall Plate 51TA500712

#53

All parts diagram

Wall plate

Part #51TA500712

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

Effective articles & videos to help repair your room air conditioners

View all
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…

Read more
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…

Read more
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.…

Read more

Parts & More