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Bosch
Dryer

Model # WTMC3321US/03 Official Bosch dryer

Here are the diagrams and repair parts for Official Bosch WTMC3321US-03 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.

Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 94 parts  |
Dryer Door Hinge 491647

#218

All parts diagram

Dryer door hinge

Part #491647

Replaced by #00491647

?
Manufacturer substitution
This part replaces 491647. Substitute parts can look different from the original.
$35.89 | 
14% OFF Phone Price : $41.89
In Stock
Dryer Sensor 422202

#322

All parts diagram

Dryer sensor

Part #422202

Replaced by #00422202

?
Manufacturer substitution
This part replaces 422202. Substitute parts can look different from the original.
$35.39 | 
14% OFF Phone Price : $41.39
In Stock
Switch 422183

#316

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Switch

Part #422183

Replaced by #00422183

?
Manufacturer substitution
This part replaces 422183. Substitute parts can look different from the original.
$75.58
In Stock
Screw 605325

#228

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Screw

Part #605325

Replaced by #00422126

?
Manufacturer substitution
This part replaces 605325. Substitute parts can look different from the original.
This item is not returnable
$30.18
In Stock
Dryer Drive Motor 436441

#415

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Dryer drive motor

Part #436441

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

Dryer Drum Lamp 422173

#319

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Dryer drum lamp

Part #422173

This item is not returnable
$20.34
In Stock
Circlip 424034

#315

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Circlip

Part #424034

Replaced by #00424034

?
Manufacturer substitution
This part replaces 424034. Substitute parts can look different from the original.
This item is not returnable
$4.57 | 
18% OFF Phone Price : $5.57
In Stock
Dryer Lint Screen 436476

#312

All parts diagram

Dryer lint screen

Part #436476

Replaced by #00436476

?
Manufacturer substitution
This part replaces 436476. Substitute parts can look different from the original.
$27.62 | 
18% OFF Phone Price : $33.62
In Stock
Relay 422203

#105

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Relay

Part #422203

Replaced by #00422203

?
Manufacturer substitution
This part replaces 422203. Substitute parts can look different from the original.
$58.89 | 
9% OFF Phone Price : $64.89
In Stock
Washer Screw 422175
Washer screw

Part #422175

Replaced by #00422175

?
Manufacturer substitution
This part replaces 422175. Substitute parts can look different from the original.
$12.89 | 
13% OFF Phone Price : $14.89
In Stock

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 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 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…

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 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 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 an electronic control board in an electric dryer

How to replace an electronic control board in an electric dryer

The electronic control board manages the components and controls the cycle times in your electric dryer. Follow these st…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a heating element in an electric dryer

How to replace a heating element in an electric dryer

The heating element in an electric dryer generates the dryer's heat—it's one of the first things to check if the air in …

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

How to replace a dryer drive motor

A defective drive motor struggles to rotate the drum or might not turn the drum at all. Follow the steps in this dryer r…

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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