LG
Washer

Model # WM3900HBA/00 Official LG washer

Here are the diagrams and repair parts for Official LG WM3900HBA-00 washer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 76 parts  |

Washer Shock Absorber (replaces Acv72909501) ACV72909503

#K610

All parts diagram

Washer shock absorber (replaces acv72909501)

Part #ACV72909503

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Washer Door Boot Spring Clamp, Outer (replaces 4861en3004j) 4861ER2001J

#K530

All parts diagram

Washer door boot spring clamp, outer (replaces 4861en3004j)

Part #4861ER2001J

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Washer Door Boot Spring Clamp (replaces 4861en3004l, Aca56078802) ACA56078801

#A133

All parts diagram

Washer door boot spring clamp (replaces 4861en3004l, aca56078802)

Part #ACA56078801

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Washer Dispenser Hose 4738ER1004B

#K310

All parts diagram

Washer dispenser hose

Part #4738ER1004B

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Refrigerator Single Coil Water Inlet Valve 5221ER1003S

#F170

All parts diagram

Refrigerator single coil water inlet valve

Part #5221ER1003S

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Rotor Assembly AHL72914413

#K360

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Rotor assembly

Part #AHL72914413

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

Washer Door Boot ADX75731701

#K501

All parts diagram

Washer door boot

Part #ADX75731701

Replaced by #ADX75731702

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Manufacturer substitution
This part replaces ADX75731701. Substitute parts can look different from the original.
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Washer Suspension Spring (replaces Agf75223050) MHY62964802

#K410

All parts diagram

Washer suspension spring (replaces agf75223050)

Part #MHY62964802

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Washer Hose Clamp (replaces 3w40106m) 4861FR3068A

#F462

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Washer hose clamp (replaces 3w40106m)

Part #4861FR3068A

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Washer Vent Bellows Float (replaces 4769er4001a, Ads73009001, Ads73029001) 4769ER4001B

#K190

All parts diagram

Washer vent bellows float (replaces 4769er4001a, ads73009001, ads73029001)

Part #4769ER4001B

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Most common symptoms to help you fix your washers

Choose a symptom to see related washer repairs.

Main causes: clogged drain hose, house drain clogged, bad drain pump, water-level pressure switch failure, bad control b…

Main causes: worn agitator dogs, bad clutch, broken motor coupler, shifter assembly failure, broken door lock, suspensio…

Main causes: bad lid switch or door lock, bad timer or electronic control board, wiring failure, bad water inlet valve a…

Main causes: broken lid switch or lid lock, bad pressure switch, broken shifter assembly, faulty control system…

Main causes: unbalanced load, loose spanner nut, worn drive block, broken shock absorber or suspension spring, debris in…

Main causes: no water supply, bad water valves, water-level pressure switch failure, control system failure, bad door lo…

Main causes: lack of electrical power, wiring failure, bad power cord, electronic control board failure, bad user interf…

Main causes: leaky water inlet valve, faulty water-level pressure switch, bad electronic control board…

Main causes: water heater failure, bad water temperature switch, faulty control board, bad water valve, faulty water tem…

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace the evaporator fan motor in a top-freezer refrigerator

How to replace the evaporator fan motor in a top-freezer refrigerator

The evaporator fan motor blows air across the evaporator coils and through the refrigerator cabinet for cooling. Replace…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor start relay in a top-freezer refrigerator

How to replace the compressor start relay in a top-freezer refrigerator

The compressor start relay starts the compressor and shuts it off if the motor overheats. Replace the start relay if it'…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your washers

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

How to use your washing machine efficiently

How to use your washing machine efficiently

Find tips for using your washing machine efficiently to save energy and help reduce utility bills.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…