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Frigidaire
Window Air Conditioner

Model # FRA186MT21 Official Frigidaire room air conditioner

Here are the diagrams and repair parts for Official Frigidaire FRA186MT21 room air conditioner, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 54 parts  |
Room Air Conditioner Blower Wheel 5304472407
#39

Recommended spare parts diagram

Room air conditioner blower wheel

Part #5304472407

$78.38
In Stock
Room Air Conditioner Air Filter 5304476944
#3

Recommended spare parts diagram

Room air conditioner air filter

Part #5304476944

Replaced by #5304525598

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Manufacturer substitution
This part replaces 5304476944. Substitute parts can look different from the original.
This item is not returnable
$15.80
In Stock
Room Air Conditioner Fan Motor Capacitor 5304475736
#37

Recommended spare parts diagram

Room air conditioner fan motor capacitor

Part #5304475736

$129.49 | 
8% OFF Phone Price : $141.49
In Stock
Ionizer 5304472418
#21

Recommended spare parts diagram

Ionizer

Part #5304472418

$92.64
In Stock
Room Air Conditioner Evaporator Thermistor 5304471383
#14

Recommended spare parts diagram

Room air conditioner evaporator thermistor

Part #5304471383

$33.49 | 
15% OFF Phone Price : $39.49
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 Vent Door 5304476359
#11

Recommended spare parts diagram

Room air conditioner vent door

Part #5304476359

$9.77
In Stock
Room Air Conditioner Remote Control 5304476851
#12

Recommended spare parts diagram

Room air conditioner remote control

Part #5304476851

$90.00 | 
6% OFF Phone Price : $96.00
In Stock
Room Air Conditioner Electronic Control Board Assembly 5304476951
#16

Recommended spare parts diagram

Room air conditioner electronic control board assembly

Part #5304476951

$194.57 | 
6% OFF Phone Price : $206.57
In Stock
Room Air Conditioner Fan Motor Capacitor (replaces 5304455583) 5304472609
#19

Recommended spare parts diagram

Room air conditioner fan motor capacitor (replaces 5304455583)

Part #5304472609

$77.89 | 
7% OFF Phone Price : $83.89
In Stock

Symptoms for window air conditioners

Choose a symptom to see related window air conditioner repairs.

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Why your window AC compressor is not turning on?

Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure…

Read more

Why won't water draining from my window air conditioner?

Main causes: clogged drain hole, air conditioner not leveled properly…

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Why is water leaking into the house from my window air conditioner?

Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals …

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Why are my window air conditioner's evaporator fins iced up?

Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure…

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Why does my window air conditioner's compressor hum but not work?

Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor…

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Why won't my window air conditioner start?

Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor…

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Repair guides for window air conditioners

These step-by-step repair guides will help you safely fix what’s broken on your window air conditioner.

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How to replace a window air conditioner ambient thermistor

How to replace a window air conditioner ambient thermistor

If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourse…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a window air conditioner condenser fan

How to replace a window air conditioner condenser fan

If the condenser fan blade is broken or the condenser fan motor won’t run, you can replace the broken parts yourself by…

Read more
Repair difficulty
Time required
 90 minutes or less
How to replace a window air conditioner electronic control board

How to replace a window air conditioner electronic control board

The electronic control board is the brain of your window air conditioner. Here’s how to replace it.…

Read more
Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your room air conditioners

Use the advice and tips in these articles and videos to get the most out of your window air conditioner.

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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…

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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…

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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.…

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