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Maytag
Dishwasher

Model # DWU8402AAB Official Maytag dishwasher

Here are the diagrams and repair parts for Official Maytag DWU8402AAB dishwasher, 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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ALL PARTS
Showing 10 of 133 parts  |
Cabinet Screw 912799
#9

Tub diagram

Cabinet screw

Part #912799

This item is not returnable
$3.40
In Stock
Dishwasher Washer 910069
#11

Tub diagram

Dishwasher washer

Part #910069

This item is not returnable
$32.33 | 
16% OFF Phone Price : $38.33
In Stock
Sound Damper 912745
#6B

Tub diagram

Sound damper

Part #912745

Replaced by #Y912745

?
Manufacturer substitution
This part replaces 912745. Substitute parts can look different from the original.
This item is not returnable
$3.80
In Stock
Dishwasher Chopper Blade 912310
#17

Pump and motor diagram

Dishwasher chopper blade

Part #912310

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

Insulation 912836
#10

Door diagram

Insulation

Part #912836

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

Wire Harness 99001683

#NI

All parts diagram

Wire harness

Part #99001683

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

Dishwasher Door Panel (black) 99001417
#1A

Door diagram

Dishwasher door panel (black)

Part #99001417

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

Bar Reinforcement 912668
#9

Door diagram

Bar reinforcement

Part #912668

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

Dishwasher Blower Wheel 902902
#4

Blower/float/water level switch diagram

Dishwasher blower wheel

Part #902902

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

Sleeve Insulation 99001333
#20A

Tub diagram

Sleeve insulation

Part #99001333

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

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

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Why is my dishwasher noisy?

Main causes: glass or popcorn kernel stuck in the chopper blade, drain line vibrating against the cabinet, debris in was…

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Why don't my dishes get dry?

Main causes: not using rinse aid, rinse aid dispenser failure, broken heating element, malfunctioning vent, drying fan f…

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Why is my dishwasher leaking?

Main causes: damaged or stuck spray arm, leaking door seal, damaged door hinge, leaky heating element water seal, cracke…

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Why won't my dishwasher drain?

Main causes: clogged kitchen sink drain, clogged drain hose, drain check valve damaged, drain pump failure, control syst…

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Why does my dishwasher door drop open too fast?

Main causes: broken door spring, damaged or broken door hinge…

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Why does my dishwasher stop mid-cycle?

Main causes: broken door latch, tripped circuit breaker, broken heating element, faulty vent fan, sensor failure, contro…

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Why can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

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Why isn't my dishwasher getting dishes clean?

Main causes: improper loading, low water temperature, improper detergent dosage, detergent dispenser failure, spray arm …

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Why won't my dishwasher start?

Main causes: light switch beside the sink turned off, lack of power, bad dishwasher door switch, control system failure,…

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Most common repair guides to help fix your dishwashers

These step-by-step repair guides will help you safely fix what’s broken on your dishwasher.

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How to replace a dishwasher high-limit thermostat

How to replace a dishwasher high-limit thermostat

Follow these steps to replace the high-limit thermostat in your dishwasher if prevents the heating element from heating.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher door outer panel

How to replace a dishwasher door outer panel

If your dishwasher door is dented or you want it to match your cabinets or other appliances, this guide shows how to rep…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a dishwasher thermal fuse

How to replace a dishwasher thermal fuse

A completely dead control panel often indicates that the thermal fuse on the electronic control board is blown; follow t…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your dishwashers

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

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5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

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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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