Model #WM3900HBA/00 Official LG washer

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

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Owner’s manual

Showing 10 of 76 parts

Washer Door Boot Spring Clamp, Outer (replaces 4861EN3004J)


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In Stock
$17.11 | 
10% OFF 
Phone Price: $19.11
Washer Door Lock


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Washer door lock

Part #EBF61315802
In Stock
$97.72 | 
9% OFF 
Phone Price: $107.72
Washer Door Boot Spring Clamp (replaces 4861EN3004L, ACA56078802)


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In Stock
$11.54 | 
15% OFF 
Phone Price: $13.54
Washer Suspension Spring (replaces AGF75223050)


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In Stock
$10.20 | 
16% OFF 
Phone Price: $12.20
Washer Dispenser Hose


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Washer dispenser hose

Part #4738ER1004B
In Stock
$24.74 | 
17% OFF 
Phone Price: $29.74
Washer Shipping Bolt (replaces 4011FR3159J, 4011FR3159N, FAA30992203)


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In Stock
$17.06 | 
10% OFF 
Phone Price: $19.06
Washer Vent Bellows Float (replaces 4769ER4001A, ADS73009001, ADS73029001)


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

Part #4769ER4001B
This item is not returnable
In Stock
$13.82 | 
13% OFF 
Phone Price: $15.82
Washer Motor Rotor (replaces AHL72914410, AHL72914413)


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Rotor assembly

Part #AHL72914413
Replaced by #AHL72914401
Manufacturer substitution
This part replaces AHL72914413. Substitute parts can look different from the original.
In Stock
$147.90 | 
6% OFF 
Phone Price: $157.90
Washer Shock Absorber Mounting Pin


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Washer shock absorber mounting pin

Part #4774FR3118B
In Stock
$7.54 | 
12% OFF 
Phone Price: $8.54
Washer Door Lock Strike


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Washer door lock strike

Part #MFG62579001
This item is not returnable
In Stock
$18.81 | 
10% OFF 
Phone Price: $20.81

Symptoms common to all washers

Choose a symptom to see related washer repairs.

Main causes: unbalanced load, loose spanner nut, worn drive block, broken shock absorber or suspension spring, debris in drain pump
Main causes: lack of electrical power, wiring failure, bad power cord, electronic control board failure, bad user interface board
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 temperature sensor
Main causes: broken lid switch or lid lock, bad pressure switch, broken shifter assembly, faulty control system
Main causes: clogged drain hose, house drain clogged, bad drain pump, water-level pressure switch failure, bad control board or timer
Main causes: worn agitator dogs, bad clutch, broken motor coupler, shifter assembly failure, broken door lock, suspension component failure
Main causes: no water supply, bad water valves, water-level pressure switch failure, control system failure, bad door lock or lid switch
Main causes: bad lid switch or door lock, bad timer or electronic control board, wiring failure, bad water inlet valve assembly

Articles and videos common to all washers

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