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Bosch
Washer

Model # WAT28400UC/20 Official Bosch washer

Here are the diagrams and repair parts for Official Bosch WAT28400UC-20 washer, as well as links to manuals and error code tables, if available.

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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 112 parts  |
Washer Door Lock 00635514
#211

Control panel parts diagram

Washer door lock

Part #00635514

Replaced by #10000916

?
Manufacturer substitution
This part replaces 00635514. Substitute parts can look different from the original.
$54.79 | 
10% OFF Phone Price : $60.79
In Stock
Washer Drain Hose 00656689
#419

Dispenser tray/outlet pipe parts diagram

Washer drain hose

Part #00656689

$29.49 | 
17% OFF Phone Price : $35.49
In Stock
Washer Door Boot 00680769
#313

Oscillating system parts diagram

Washer door boot

Part #00680769

Replaced by #00772653

?
Manufacturer substitution
This part replaces 00680769. Substitute parts can look different from the original.
$196.19 | 
6% OFF Phone Price : $208.19
In Stock
Washer Door Glass (replaces 00675797) 00742712
#221

Control panel parts diagram

Washer door glass (replaces 00675797)

Part #00742712

$75.19 | 
7% OFF Phone Price : $81.19
In Stock
Washer Door Boot Spring Clamp 00670743
#314

Oscillating system parts diagram

Washer door boot spring clamp

Part #00670743

$16.63
In Stock
Hose 11006030
#414

Dispenser tray/outlet pipe parts diagram

Hose

Part #11006030

$46.47 | 
11% OFF Phone Price : $52.47
In Stock
Sensor 10000839
#325

Oscillating system parts diagram

Sensor

Part #10000839

$26.59 | 
18% OFF Phone Price : $32.59
In Stock
Washer Door Boot Spring Clamp 00702576
#312

Oscillating system parts diagram

Washer door boot spring clamp

Part #00702576

$7.00 | 
13% OFF Phone Price : $8.00
In Stock
Washer Drain Pump Filter (replaces 00605010) 00647920
#421

Dispenser tray/outlet pipe parts diagram

Washer drain pump filter (replaces 00605010)

Part #00647920

This item is not returnable
$28.99 | 
17% OFF Phone Price : $34.99
In Stock
Display 00635431
#116

Cabinet parts diagram

Display

Part #00635431

$46.11
In Stock

Most common symptoms to help you fix your washers

Choose a symptom to see related washer repairs.

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Why won't my washing machine drain?

Main causes: clogged drain hose, house drain clogged, bad drain pump, water-level pressure switch failure, bad control b…

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Why won't my washing machine agitate or spin?

Main causes: worn agitator dogs, bad clutch, broken motor coupler, shifter assembly failure, broken door lock, suspensio…

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Why won't my washing machine start?

Main causes: bad lid switch or door lock, bad timer or electronic control board, wiring failure, bad water inlet valve a…

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Why your washing machine won't finish its cycle

Main causes: broken lid switch or lid lock, bad pressure switch, broken shifter assembly, faulty control system…

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Why is my washing machine noisy or shaking?

Main causes: unbalanced load, loose spanner nut, worn drive block, broken shock absorber or suspension spring, debris in…

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Why won't my washing machine fill?

Main causes: no water supply, bad water valves, water-level pressure switch failure, control system failure, bad door lo…

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Why doesn't my washing machine work at all?

Main causes: lack of electrical power, wiring failure, bad power cord, electronic control board failure, bad user interf…

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Why does my washing machine overfill?

Main causes: leaky water inlet valve, faulty water-level pressure switch, bad electronic control board…

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Why is the water in my washing machine the wrong temperature?

Main causes: water heater failure, bad water temperature switch, faulty control board, bad water valve, faulty water tem…

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How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

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How to replace the evaporator fan motor in a top-freezer refrigerator

How to replace the evaporator fan motor in a top-freezer refrigerator

The evaporator fan motor blows air across the evaporator coils and through the refrigerator cabinet for cooling. Replace…

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Repair difficulty
Time required
 15 minutes or less
How to replace the compressor start relay in a top-freezer refrigerator

How to replace the compressor start relay in a top-freezer refrigerator

The compressor start relay starts the compressor and shuts it off if the motor overheats. Replace the start relay if it'…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your washers

Use the advice and tips in these articles and videos to get the most out of your washer.

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How to use your washing machine efficiently

How to use your washing machine efficiently

Find tips for using your washing machine efficiently to save energy and help reduce utility bills.…

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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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