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Carrier 51GMA121321B room air conditioner Parts

Here are the diagrams and repair parts for Carrier 51GMA121321B room air conditioner, as well as links to manuals and error code tables, if available.

Carrier 51GMA121321B room air conditioner
By Schematic
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Browse Parts for 51GMA121321B Room Air Conditioner

  • Bracket ,outdoor Thermostat for Carrier 51GMA121321B - Part 51CM500112

    #34

    All parts diagram

    Bracket ,outdoor Thermostat

    Part #51CM500112

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

  • Paint, Touch - Up (alpine Mist) (not Shown) for Carrier 51GMA121321B - Part PH23WL012

    #8

    All parts diagram

    Paint, Touch - Up (alpine Mist) (not Shown)

    Part #PH23WL012

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

  • Bracket ,indoor Thermostat for Carrier 51GMA121321B - Part 51CM501132

    #26

    All parts diagram

    Bracket ,indoor Thermostat

    Part #51CM501132

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

  • Propeller Fan for Carrier 51GMA121321B - Part 51GM500194

    #43

    All parts diagram

    Propeller Fan

    Part #51GM500194

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

  • Filter for Carrier 51GMA121321B - Part 51GM500144

    #4

    All parts diagram

    Filter

    Part #51GM500144

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

  • Condenser Orifice for Carrier 51GMA121321B - Part 51GM500114

    #44

    All parts diagram

    Condenser Orifice

    Part #51GM500114

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

  • Wire Cover for Carrier 51GMA121321B - Part 51CM500153

    #54

    All parts diagram

    Wire Cover

    Part #51CM500153

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

  • Condenser Coil (51gma228301b, 51gma228311b) for Carrier 51GMA121321B - Part 51GM400501

    #77A

    All parts diagram

    Condenser Coil (51gma228301b, 51gma228311b)

    Part #51GM400501

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

  • Motor Bkt (adjustable) for Carrier 51GMA121321B - Part 51CM400951

    #38

    All parts diagram

    Motor Bkt (adjustable)

    Part #51CM400951

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

  • Compressor (51gma228301b, 51gma228311b) for Carrier 51GMA121321B - Part P035-3221

    #9B

    All parts diagram

    Compressor (51gma228301b, 51gma228311b)

    Part #P035-3221

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

Most common symptoms to help you fix your room air conditioners

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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 …

Read more

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 my window air conditioner start?

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

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Why isn’t my air conditioner cooling?

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

Read more

Why isn’t my air conditioner cooling well?

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

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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 air conditioner turn on?

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

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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 won't water draining from my window air conditioner?

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

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Effective articles & videos to help repair your room air conditioners

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Keeping your smart appliances secure from hackers

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