Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Frigidaire
Room Air Conditioner

Model # LRA257ST21 Official Frigidaire room air conditioner

Here are the diagrams and repair parts for Official Frigidaire LRA257ST21 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.

Installation guide
Owner’s manual

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 51 parts  |
Pc Board 5304476360
#22

Recommended spare parts diagram

Pc board

Part #5304476360

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

Room Air Conditioner Display Board (replaces 5304476357) 5304477181
#8

Recommended spare parts diagram

Room air conditioner display board (replaces 5304476357)

Part #5304477181

This item is not returnable
$92.80 | 
6% OFF Phone Price : $98.80
In Stock
Room Air Conditioner Blower Wheel 5304472407
#37

Recommended spare parts diagram

Room air conditioner blower wheel

Part #5304472407

$78.38
In Stock
Condenser 5304476256
#29

Recommended spare parts diagram

Condenser

Part #5304476256

$366.93
In Stock
Door 5304477149
#11

Recommended spare parts diagram

Door

Part #5304477149

$11.89
In Stock
Tray 5304472343
#33

Recommended spare parts diagram

Tray

Part #5304472343

$39.18
In Stock
Room Air Conditioner Transformer 5304471063
#18

Recommended spare parts diagram

Room air conditioner transformer

Part #5304471063

$69.78 | 
8% OFF Phone Price : $75.78
In Stock
Louver 5304477179
#6

Recommended spare parts diagram

Louver

Part #5304477179

$18.89
In Stock
Room Air Conditioner Evaporator Thermistor 5304471383
#21

Recommended spare parts diagram

Room air conditioner evaporator thermistor

Part #5304471383

$33.49 | 
15% OFF Phone Price : $39.49
In Stock
Room Air Conditioner Remote Control 5304476866
#12

Recommended spare parts diagram

Room air conditioner remote control

Part #5304476866

$50.60 | 
11% OFF Phone Price : $56.60
In Stock

Most common symptoms to help you fix your room air conditioners

View

Most common repair guides to help fix your room air conditioners

View

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