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.

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 54 parts  |

Room Air Conditioner Blower Wheel 5304472407
#39

Recommended spare parts diagram

Room air conditioner blower wheel

Part #5304472407

In Stock
Room Air Conditioner Air Filter 5304476944
#3

Recommended spare parts diagram

Room air conditioner air filter

Part #5304476944

Replaced by #5304525598

?
Manufacturer substitution
This part replaces 5304476944. Substitute parts can look different from the original.
This item is not returnable
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
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
Ionizer 5304472418
#21

Recommended spare parts diagram

Ionizer

Part #5304472418

In Stock
Louver 5304476946
#5

Recommended spare parts diagram

Louver

Part #5304476946

In Stock
Room Air Conditioner Vent Door 5304476359
#11

Recommended spare parts diagram

Room air conditioner vent door

Part #5304476359

In Stock
Room Air Conditioner Transformer 5304471063
#20

Recommended spare parts diagram

Room air conditioner transformer

Part #5304471063

$69.78
8% OFF Phone Price : $75.78
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 Air Filter 5304476322
#29

Recommended spare parts diagram

Room air conditioner air filter

Part #5304476322

In Stock

Symptoms for window air conditioners

Choose a symptom to see related window air conditioner repairs.

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

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

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

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

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

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

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.

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…

Repair difficulty
Time required
 45 minutes or less
How to replace a window air conditioner user interface control board

How to replace a window air conditioner user interface control board

Control buttons or lights on the user interface control board can stop working. This repair guide shows how to replace i…

Repair difficulty
Time required
 30 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.…

Repair difficulty
Time required
 45 minutes or less

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.…