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Frigidaire
Room Air Conditioner

Model # LRA18HMT21 Official Frigidaire room air conditioner

Here are the diagrams and repair parts for Official Frigidaire LRA18HMT21 room air conditioner, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 58 parts  |
Room Air Conditioner Electronic Control Board 5304476315
#22

Recommended spare parts diagram

Room air conditioner electronic control board

Part #5304476315

Replaced by #5304491882

?
Manufacturer substitution
This part replaces 5304476315. Substitute parts can look different from the original.
This item is not returnable
$108.19 | 
10% OFF Phone Price : $120.19
In Stock
Room Air Conditioner Fan Motor Capacitor (replaces 5304455583) 5304472609
#15

Recommended spare parts diagram

Room air conditioner fan motor capacitor (replaces 5304455583)

Part #5304472609

$77.89 | 
7% OFF Phone Price : $83.89
In Stock
Room Air Conditioner Heater Assembly 5304472338
#34

Recommended spare parts diagram

Room air conditioner heater assembly

Part #5304472338

$354.99 | 
$12.00 OFF Phone Price : $366.99
In Stock
Room Air Conditioner Air Filter 5304476322
#29

Recommended spare parts diagram

Room air conditioner air filter

Part #5304476322

$109.98
In Stock
Room Air Conditioner Compressor 5304475735
#26

Recommended spare parts diagram

Room air conditioner compressor

Part #5304475735

$737.29 | 
$12.00 OFF Phone Price : $749.29
In Stock
Room Air Conditioner Transformer 5304471063
#16

Recommended spare parts diagram

Room air conditioner transformer

Part #5304471063

$69.78 | 
8% OFF Phone Price : $75.78
In Stock
Room Air Conditioner Display Board 5304476310
#11

Recommended spare parts diagram

Room air conditioner display board

Part #5304476310

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

Room Air Conditioner Thermistor 5304476316
#19

Recommended spare parts diagram

Room air conditioner thermistor

Part #5304476316

$59.99 | 
9% OFF Phone Price : $65.99
In Stock
Room Air Conditioner Fan Motor 5304472617
#45

Recommended spare parts diagram

Room air conditioner fan motor

Part #5304472617

Replaced by #5304483059

?
Manufacturer substitution
This part replaces 5304472617. Substitute parts can look different from the original.
$318.41 | 
$12.00 OFF Phone Price : $330.41
In Stock
Room Air Conditioner Evaporator Thermistor 5304471383
#20

Recommended spare parts diagram

Room air conditioner evaporator thermistor

Part #5304471383

Replaced by #5304512375

?
Manufacturer substitution
This part replaces 5304471383. Substitute parts can look different from the original.
This item is not returnable
$22.87
In Stock

Most common symptoms to help you fix your room air conditioners

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Most common repair guides to help fix your room air conditioners

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