Carrier
Room Air Conditioner

Model # 51CMB112111B Official Carrier room air conditioner

Here are the diagrams and repair parts for Official Carrier 51CMB112111B 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 94 parts  |

Motor HC43DE234

#35A

All parts diagram

Motor

Part #HC43DE234

In Stock
Room Air Conditioner Spring KA38BR032

#11A

All parts diagram

Room air conditioner spring

Part #KA38BR032

This item is not returnable
In Stock
Gusset, Top 51CM500033

#63

All parts diagram

Gusset, top

Part #51CM500033

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

Fam Motor Seal (not Shown) 51CM500672

#39

All parts diagram

Fam motor seal (not shown)

Part #51CM500672

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

Cover, Terminal (51cmc012311b) (51cmc112101b) (51cmd012301b) HX50ZZ036

#12A

All parts diagram

Cover, terminal (51cmc012311b) (51cmc112101b) (51cmd012301b)

Part #HX50ZZ036

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

Nameplate 51AT500242

#3

All parts diagram

Nameplate

Part #51AT500242

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

Partition 51CM660002

#44

All parts diagram

Partition

Part #51CM660002

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

Package Hardware 51CM400431

#79

All parts diagram

Package hardware

Part #51CM400431

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

Gang Bar 51CM500082

#62

All parts diagram

Gang bar

Part #51CM500082

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

Window Mount Assembly (lh) 51CM400421

#73

All parts diagram

Window mount assembly (lh)

Part #51CM400421

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.…