Bosch
Dryer

Model # WTA4400US/01 Official Bosch dryer

Here are the diagrams and repair parts for Official Bosch WTA4400US-01 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 80 parts  |

Dryer Drive Belt 437367
#404

Drum assembly diagram

Dryer drive belt

Part #437367

Replaced by #00437367

?
Manufacturer substitution
This part replaces 437367. Substitute parts can look different from the original.
$87.89
5% OFF Phone Price : $92.89
In Stock
Drum Bearing 423057
#501

Fan wheel and drum flange diagram

Drum bearing

Part #423057

Replaced by #00423057

?
Manufacturer substitution
This part replaces 423057. Substitute parts can look different from the original.
In Stock
Push Button 423129
#107

Case and housing assemblies diagram

Push button

Part #423129

Replaced by #00423129

?
Manufacturer substitution
This part replaces 423129. Substitute parts can look different from the original.
In Stock
Heater Element 497122
#317

Motor and module - control diagram

Heater element

Part #497122

Replaced by #00497122

?
Manufacturer substitution
This part replaces 497122. Substitute parts can look different from the original.
$213.38
$10.00 OFF Phone Price : $223.38
In Stock
Control Module 497116
#316

Motor and module - control diagram

Control module

Part #497116

Replaced by #00497116

?
Manufacturer substitution
This part replaces 497116. Substitute parts can look different from the original.
$369.51
$10.00 OFF Phone Price : $379.51
In Stock
Display Motor 492391
#315

Motor and module - control diagram

Display motor

Part #492391

Replaced by #00492391

?
Manufacturer substitution
This part replaces 492391. Substitute parts can look different from the original.
In Stock
Sealing 492206
#414

Drum assembly diagram

Sealing

Part #492206

Replaced by #00492206

?
Manufacturer substitution
This part replaces 492206. Substitute parts can look different from the original.
In Stock
Regulator 429522
#309

Motor and module - control diagram

Regulator

Part #429522

The manufacturer no longer makes this part, and there's no substitute part

Fascia Panel 444793
#112

Case and housing assemblies diagram

Fascia panel

Part #444793

The manufacturer no longer makes this part, and there's no substitute part

Band 475208
#413

Drum assembly diagram

Band

Part #475208

The manufacturer no longer makes this part, and there's no substitute part

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…