Carrier
Room Air Conditioner

Model # 51QFF318300 Official Carrier room air conditioner

Here are the diagrams and repair parts for Official Carrier 51QFF318300 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 87 parts  |

Limit Switch HH19ZA140

#32

All parts diagram

Limit switch

Part #HH19ZA140

In Stock
Switch HH12ZA167

#31

All parts diagram

Switch

Part #HH12ZA167

In Stock
Switch HH19ZA120

#30A

All parts diagram

Switch

Part #HH19ZA120

In Stock
Outdoor  Thermostat HH22UC040

#24

All parts diagram

Outdoor thermostat

Part #HH22UC040

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

Push Button Switch HR54AL294

#20C

All parts diagram

Push button switch

Part #HR54AL294

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

Exhaust Door Assembly 51FL400203

#43

All parts diagram

Exhaust door assembly

Part #51FL400203

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

Knob Assembly 51HK403873

#25

All parts diagram

Knob assembly

Part #51HK403873

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

Indoor Thermostat HH22AD061

#22

All parts diagram

Indoor thermostat

Part #HH22AD061

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

Evaporator Coil 51QF401851

#51

All parts diagram

Evaporator coil

Part #51QF401851

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

Defrost Control HH25UC230

#26

All parts diagram

Defrost control

Part #HH25UC230

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

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.…