Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
LG LSUC121PMA0 room air conditioner

LG LSUC121PMA0 room air conditioner Parts

Here are the diagrams and repair parts for LG LSUC121PMA0 room air conditioner, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for LSUC121PMA0 Room Air Conditioner

  • Capillary Tube Assembly for LG LSUC121PMA0 - Part 5211A20095J

    Room a/c diagram

    Capillary Tube Assembly

    Part #5211A20095J

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

  • Panel Assembly, Rear (outdoor) for LG LSUC121PMA0 - Part 3721A20026K

    Room a/c diagram

    Panel Assembly, Rear (outdoor)

    Part #3721A20026K

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

  • Discharge Grille for LG LSUC121PMA0 - Part 3530A20006G

    Room a/c diagram

    Discharge Grille

    Part #3530A20006G

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

  • Orifice for LG LSUC121PMA0 - Part 4948A20001A

    Room a/c diagram

    Orifice

    Part #4948A20001A

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

  • Pwb(pcb) Assembly, Main (outdoor) for LG LSUC121PMA0 - Part 6871A10036N

    Room a/c diagram

    Pwb(pcb) Assembly, Main (outdoor)

    Part #6871A10036N

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

Most common symptoms to help you fix your room air conditioners

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

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

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

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

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

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…

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.…

Parts & More

Charcoal Grill
Dishwasher
Gas Range
Microwave/Hood Combo
Parts
Refrigerator
Side-By-Side Refrigerator
Steam Cleaner
Top-Mount Refrigerator
Treadmill
Upright Freezer
Washer