Maytag
Dryer

Model # MDG9420BWW Official Maytag dryer

Here are the diagrams and repair parts for Official Maytag MDG9420BWW dryer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 146 parts  |

Roller W/bea 303373
#24

Tumbler diagram

Roller w/bea

Part #303373

Replaced by #12001541

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Manufacturer substitution
This part replaces 303373. Substitute parts can look different from the original.
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$29.02
15% OFF Phone Price : $34.02
In Stock
Tumbler Shaft 312948
#23

Tumbler diagram

Tumbler shaft

Part #312948

Replaced by #WP6-3129480

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Manufacturer substitution
This part replaces 312948. Substitute parts can look different from the original.
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This item is not returnable
$7.19
58% OFF MSRP : $17.00
In Stock
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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$43.71
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Dryer Drum Support Roller Retainer 410233
Dryer drum support roller retainer

Part #410233

Replaced by #WP9703438

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Manufacturer substitution
This part replaces 410233. Substitute parts can look different from the original.
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$3.79
75% OFF MSRP : $15.00
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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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$4.37
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Washer Screw 211294
#15

Gas valve diagram

Washer screw

Part #211294

Replaced by #WP90767

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Manufacturer substitution
This part replaces 211294. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.37
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Dryer Timer Knob Skirt 33001621
#2

Control panel diagram

Dryer timer knob skirt

Part #33001621

Replaced by #WP33001621

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Manufacturer substitution
This part replaces 33001621. Substitute parts can look different from the original.
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$23.55
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Tall Baffle 33001756
#15

Tumbler diagram

Tall baffle

Part #33001756

Replaced by #WP33002032

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Manufacturer substitution
This part replaces 33001756. Substitute parts can look different from the original.
$25.07
22% OFF MSRP : $32.00
In Stock
Gas Igniter 304970
#4

Gas valve diagram

Gas igniter

Part #304970

Replaced by #4391996

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Manufacturer substitution
This part replaces 304970. Substitute parts can look different from the original.
$34.39
13% OFF Phone Price : $39.39
In Stock
Dryer Blower Wheel 33001790
#4

Motor drive diagram

Dryer blower wheel

Part #33001790

$43.99
10% OFF Phone Price : $48.99
In Stock

Most common symptoms to help you fix your dryers

Choose a symptom to see related dryer repairs.

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: damaged door strike, worn door catch…

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

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

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

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 a flame sensor in a gas dryer

How to replace a flame sensor in a gas dryer

If your gas dryer won't heat, a broken flame sensor is one possible cause. This guide and video explain how to replace a…

Repair difficulty
Time required
 30 minutes or less
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 …

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…

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.

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.…

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.…

How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…