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Maytag
Dryer

Model # MDG4000BWW Official Maytag dryer

Here are the diagrams and repair parts for Official Maytag MDG4000BWW dryer, as well as links to manuals and error code tables, if available.

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Installation guide
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 161 parts  |
Second Coil 306105
#8

Gas valve diagram

Second coil

Part #306105

Replaced by #279834

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Manufacturer substitution
This part replaces 306105. Substitute parts can look different from the original.
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$29.18 | 
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Holding Coil 306106
#7

Gas valve diagram

Holding coil

Part #306106

Replaced by #279834

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Manufacturer substitution
This part replaces 306106. Substitute parts can look different from the original.
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$29.18 | 
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Thermostat 306910
#8

Motor drive diagram

Thermostat

Part #306910

Replaced by #WP3387134

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Manufacturer substitution
This part replaces 306910. Substitute parts can look different from the original.
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Gas Sensor 303377
#18

Gas valve diagram

Gas sensor

Part #303377

Replaced by #WP338906

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Manufacturer substitution
This part replaces 303377. Substitute parts can look different from the original.
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$38.79 | 
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Dryer Thermostat 33002409
#8A

Motor drive diagram

Dryer thermostat

Part #33002409

Replaced by #WP694674

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Manufacturer substitution
This part replaces 33002409. Substitute parts can look different from the original.
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$55.47 | 
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In Stock
Dryer Blower Wheel 33001790
#4

Motor drive diagram

Dryer blower wheel

Part #33001790

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Dryer Drum Bearing Kit (replaces 312940, 312941) 306508
#30

Tumbler diagram

Dryer drum bearing kit (replaces 312940, 312941)

Part #306508

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Idler Arm 33001840
#19

Motor drive diagram

Idler arm

Part #33001840

Replaced by #WP6-3705180

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Manufacturer substitution
This part replaces 33001840. Substitute parts can look different from the original.
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$37.97 | 
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Blower Wheel Clamp 312967
#5

Motor drive diagram

Blower wheel clamp

Part #312967

Replaced by #WP312967

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Manufacturer substitution
This part replaces 312967. Substitute parts can look different from the original.
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Screw-gas Va 314568
#11A

Gas valve diagram

Screw-gas va

Part #314568

Replaced by #WP90767

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Manufacturer substitution
This part replaces 314568. Substitute parts can look different from the original.
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This item is not returnable
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Most common symptoms to help you fix your dryers

Choose a symptom to see related dryer repairs.

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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 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 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 won't my dryer start?

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

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Why won't my dryer door stay shut?

Main causes: damaged door strike, worn door catch…

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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…

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Why won't my dryer shut off?

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

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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…

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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.

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How to replace a dryer thermistor

How to replace a dryer thermistor

The thermistor senses the air temperature in the dryer. If your dryer overheats or doesn't heat at all, the thermistor …

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

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

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

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a dryer drive belt

How to replace a dryer drive belt

If the drive belt breaks, the motor runs but the drum won't rotate. These step-by-step instructions guide you through th…

Read more
Repair difficulty
Time required
 90 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.

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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.…

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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.…

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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.…

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