Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
LG
Dryer

Model # DLEX3900W Official LG dryer

Here are the diagrams and repair parts for Official LG DLEX3900W dryer, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual
Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

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

Search
ALL PARTS
Showing 10 of 87 parts  |
Dryer Drum Support Roller 4581EL3001E

#K251

All parts diagram

Dryer drum support roller

Part #4581EL3001E

Replaced by #AGM75510755

?
Manufacturer substitution
This part replaces 4581EL3001E. Substitute parts can look different from the original.
BEST SELLER
$74.11 | 
7% OFF Phone Price : $80.11
In Stock
Lint Filter - Dryer Part By Lg ADQ56656401

#K310

All parts diagram

Lint filter - dryer part by lg

Part #ADQ56656401

BEST SELLER
$43.75 | 
12% OFF Phone Price : $49.75
In Stock
Dryer Idler Pulley (replaces 4561el3002b) 4561EL3002A

#K650

All parts diagram

Dryer idler pulley (replaces 4561el3002b)

Part #4561EL3002A

BEST SELLER
$40.04 | 
13% OFF Phone Price : $46.04
In Stock
Dryer Drum Belt (replaces 4400el2001a) 4400EL2001F

#K130

All parts diagram

Dryer drum belt (replaces 4400el2001a)

Part #4400EL2001F

BEST SELLER
$26.69 | 
18% OFF Phone Price : $32.69
In Stock
Heater Assembly 5301EL1001S

#F110

All parts diagram

Heater assembly

Part #5301EL1001S

Replaced by #5301EL1001H

?
Manufacturer substitution
This part replaces 5301EL1001S. Substitute parts can look different from the original.
BEST SELLER
$202.10 | 
6% OFF Phone Price : $214.10
In Stock
Dryer Thermistor 6323EL2001B

#K550

All parts diagram

Dryer thermistor

Part #6323EL2001B

Replaced by #AGM30045804

?
Manufacturer substitution
This part replaces 6323EL2001B. Substitute parts can look different from the original.
BEST SELLER
$80.01 | 
7% OFF Phone Price : $86.01
In Stock
Dryer Lint Screen Housing MCK49049101

#K320

All parts diagram

Dryer lint screen housing

Part #MCK49049101

BEST SELLER
$37.89 | 
14% OFF Phone Price : $43.89
In Stock
Dryer Blower Thermostat (replaces 6931el3002a) 6931EL3002M

#K560

All parts diagram

Dryer blower thermostat (replaces 6931el3002a)

Part #6931EL3002M

BEST SELLER
$42.39 | 
12% OFF Phone Price : $48.39
In Stock
Dryer High-limit Thermostat (replaces F1306931el3003d) 6931EL3003D

#F130

All parts diagram

Dryer high-limit thermostat (replaces f1306931el3003d)

Part #6931EL3003D

BEST SELLER
$14.49 | 
12% OFF Phone Price : $16.49
In Stock
Dryer Idler Pulley 4560EL3001A

#K651

All parts diagram

Dryer idler pulley

Part #4560EL3001A

BEST SELLER
$18.24 | 
10% OFF Phone Price : $20.24
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Most common symptoms to help you fix your dryers

Choose a symptom to see related dryer repairs.

View all

Why won't my dryer heat?

Main causes: bad gas valve coils, broken heating element, tripped safety thermostat or fuse, bad operating thermostat, c…

Read more

Why won't my dryer shut off?

Main causes: bad timer or electronic control board, door switch failure…

Read more

Why doesn't my dryer work?

Main causes: lack of electrical power, bad power cord, wiring failure, bad control board, blown thermal fuse, bad door s…

Read more

Why does my dryer start then stop?

Main causes: clogged exhaust vent, bad motor relay, loose dryer door catch, bad door switch, control system failure, fau…

Read more

Why won't my dryer door stay shut?

Main causes: damaged door strike, worn door catch…

Read more

Why is my dryer making a rattling noise?

Main causes: bad drum support roller, damaged idler pulley, broken blower fan blade, worn drum glide bearing, bad drive …

Read more

Why isn't my dryer getting my laundry dry?

Main causes: clogged exhaust system, heating system failure, deposits on moisture sensor, control system failure…

Read more

Why won't my dryer start?

Main causes: door switch failure, lack of power, broken belt, blown thermal fuse, bad drive motor, control system failur…

Read more

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.

View all
How to replace a thermal fuse in an electric dryer

How to replace a thermal fuse in an electric dryer

When the air in the dryer overheats—usually because the vent is clogged—the thermal fuse blows, stopping the dryer. You …

Read more
Repair difficulty
Time required
 15 minutes or less
How to install a thermal cut-off fuse kit in an electric dryer

How to install a thermal cut-off fuse kit in an electric dryer

The thermal cut-off fuse shuts off the heat if the dryer overheats when the high-limit thermostat fails. Install a ther…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a dryer door switch

How to replace a dryer door switch

The dryer won't start if the door switch isn't working correctly. You can install a replacement dryer door switch in les…

Read more
Repair difficulty
Time required
 15 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.

View all
How to use your clothes dryer efficiently

How to use your clothes dryer efficiently

Get expert tips on using your dryer efficiently to save energy.…

Read more
How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Read more
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.…

Read more