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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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  • 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”.

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

Error Codes

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 | 
6% OFF Phone Price : $93.89
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.
$251.04
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 | 
$12.00 OFF Phone Price : $381.51
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 | 
5% OFF Phone Price : $225.38
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.
$59.36
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.
$196.06
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.
$32.67
In Stock
Foot 423033
#103

Case and housing assemblies diagram

Foot

Part #423033

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

Drive Coupler 444801
#408

Drum assembly diagram

Drive coupler

Part #444801

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

Holder 492318
#415

Drum assembly diagram

Holder

Part #492318

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.

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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 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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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 door stay shut?

Main causes: damaged door strike, worn door catch…

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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 …

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Why isn't my dryer getting my laundry dry?

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

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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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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 …

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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…

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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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