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Model # DLEX3900B Official LG dryer
Here are the diagrams and repair parts for Official LG DLEX3900B dryer, as well as links to manuals and error code tables, if available.
Owner’s manual
Error CodesBy Schematic
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Browse Parts forDLEX3900B DRYER
#K310
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Lint filter - dryer part by lgPart #ADQ56656401
$31.33 |16% OFF Phone Price : $37.33In Stock#K650
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Lg dryer idler pulleyPart #4561EL3002A
$63.43 |9% OFF Phone Price : $69.43In Stock#P130
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Lg dryer drum beltPart #4400EL2001F
$27.60 |18% OFF Phone Price : $33.60In Stock#F110
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Lg dryer heating elementPart #5301EL1001H
$259.50 |$12.00 OFF Phone Price : $271.50In Stock#K560
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Dryer blower thermostatPart #6931EL3002M
$41.69 |13% OFF Phone Price : $47.69In Stock#K320
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Lg dryer lint screen housingPart #MCK49049101
$42.25 |12% OFF Phone Price : $48.25In Stock#K651
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Dryer idler pulleyPart #4560EL3001A
$23.11 |21% OFF Phone Price : $29.11In Stock#F140
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Dryer high-limit thermostatPart #6931EL3001F
$48.89 |11% OFF Phone Price : $54.89In Stock#K250
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Dryer drum support roller assemblyPart #4581EL2002H
$38.06 |14% OFF Phone Price : $44.06In Stock#K510
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Dryer blower wheelPart #5835EL1002A
$81.92 |7% OFF Phone Price : $87.92In Stock
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Dryer Leveling Leg
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Most common symptoms to help you fix your dryers
Choose a symptom to see related dryer repairs.
Main causes: bad gas valve coils, broken heating element, tripped safety thermostat or fuse, bad operating thermostat, c…
Main causes: bad drum support roller, damaged idler pulley, broken blower fan blade, worn drum glide bearing, bad drive …
Main causes: damaged door strike, worn door catch…
Main causes: clogged exhaust vent, bad motor relay, loose dryer door catch, bad door switch, control system failure, fau…
Main causes: door switch failure, lack of power, broken belt, blown thermal fuse, bad drive motor, control system failur…
Main causes: clogged exhaust system, heating system failure, deposits on moisture sensor, control system failure…
Main causes: bad timer or electronic control board, door switch failure…
Main causes: lack of electrical power, bad power cord, wiring failure, bad control board, blown thermal fuse, bad door s…
Most common repair guides to help fix your dryers
These step-by-step repair guides will help you safely fix what’s broken on your dryer.
How to replace an electronic control board in an electric dryer
The electronic control board manages the components and controls the cycle times in your electric dryer. Follow these st…
Repair difficulty
Time required
45 minutes or less
How to replace a dryer drive motor
A defective drive motor struggles to rotate the drum or might not turn the drum at all. Follow the steps in this dryer r…
Repair difficulty
Time required
90 minutes or less
How to replace a dryer drum glide bearing
Replace the drum glide bearing if the drum makes a scraping noise and doesn't turn smoothly. Just follow the steps in th…
Repair difficulty
Time required
60 minutes or less
Effective articles & videos to help repair your dryers
Use the advice and tips in these articles and videos to get the most out of your dryer.
Is your dryer tripping the breaker? Find out what’s causing it and how to fix it to prevent damage, save energy, and kee…
Discover how your dryer’s moisture sensor prevents over- and under-drying, plus what to do when your dryer won’t stop or…
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…