Frigidaire
Room Air Conditioner

Model # FFRE18L3S20 Official Frigidaire room air conditioner

Here are the diagrams and repair parts for Official Frigidaire FFRE18L3S20 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 53 parts  |

Room Air Conditioner Ambient Thermistor 5304487548
#18

Recommended spare parts diagram

Room air conditioner ambient thermistor

Part #5304487548

This item is not returnable
$21.49
19% OFF Phone Price : $26.49
In Stock
Room Air Conditioner Air Filter 5304476957
#3

Recommended spare parts diagram

Room air conditioner air filter

Part #5304476957

Replaced by #5304525602

?
Manufacturer substitution
This part replaces 5304476957. Substitute parts can look different from the original.
This item is not returnable
$16.23
11% OFF Phone Price : $18.23
In Stock
Room Air Conditioner Evaporator Thermistor 5304471383
#19

Recommended spare parts diagram

Room air conditioner evaporator thermistor

Part #5304471383

$33.49
13% OFF Phone Price : $38.49
In Stock
Room Air Conditioner Accordion Filler Kit 5304504834
#50

Recommended spare parts diagram

Room air conditioner accordion filler kit

Part #5304504834

$83.27
6% OFF Phone Price : $88.27
In Stock
Room Air Conditioner User Interface Board 5304495622
#8

Recommended spare parts diagram

Room air conditioner user interface board

Part #5304495622

This item is not returnable
$112.47
8% OFF Phone Price : $122.47
In Stock
Room Air Conditioner Electronic Control Board 5304495030
#17

Recommended spare parts diagram

Room air conditioner electronic control board

Part #5304495030

$157.05
6% OFF Phone Price : $167.05
In Stock
Louver 5304496315
#7

Recommended spare parts diagram

Louver

Part #5304496315

In Stock
Bulkhead 5304504832
#38

Recommended spare parts diagram

Bulkhead

Part #5304504832

In Stock
Tube 5304495653
#26

Recommended spare parts diagram

Tube

Part #5304495653

In Stock
Panel 5304504919
#54

Recommended spare parts diagram

Panel

Part #5304504919

In Stock

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.…