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Maytag
Dishwasher

Model # WU400 Official Maytag dishwasher

Here are the diagrams and repair parts for Official Maytag WU400 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 193 parts  |
Spray Clamp 200900
Spray clamp

Part #200900

Replaced by #WPW10548433

?
Manufacturer substitution
This part replaces 200900. Substitute parts can look different from the original.
This item is not returnable
$2.51 | 
28% OFF Phone Price : $3.51
In Stock
Inlet Hose 911251
Inlet hose

Part #911251

Replaced by #WP903404

?
Manufacturer substitution
This part replaces 911251. Substitute parts can look different from the original.
$82.69 | 
7% OFF Phone Price : $88.69
In Stock
Screw Relay 910708
Screw relay

Part #910708

This item is not returnable
$4.22
In Stock
Screw 910187
Screw

Part #910187

$8.49 | 
11% OFF Phone Price : $9.49
In Stock
Dishwasher Washer 910069
Dishwasher washer

Part #910069

This item is not returnable
$32.33 | 
16% OFF Phone Price : $38.33
In Stock
Inlet Hose 200688
#25

Installation accessories diagram

Inlet hose

Part #200688

Replaced by #WP76314

?
Manufacturer substitution
This part replaces 200688. Substitute parts can look different from the original.
$25.89 | 
19% OFF Phone Price : $31.89
In Stock
Cable Clamp 400321
Cable clamp

Part #400321

Replaced by #4396672

?
Manufacturer substitution
This part replaces 400321. Substitute parts can look different from the original.
$13.79 | 
13% OFF Phone Price : $15.79
In Stock
Screw And Wa 901089
#15

Decorator trim parts diagram

Screw and wa

Part #901089

Replaced by #910187

?
Manufacturer substitution
This part replaces 901089. Substitute parts can look different from the original.
$8.49 | 
11% OFF Phone Price : $9.49
In Stock
Screw 910624
Screw

Part #910624

Replaced by #WPW10139210

?
Manufacturer substitution
This part replaces 910624. Substitute parts can look different from the original.
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock
Seal Kit Wit 900629
#6

Pump parts diagram

Seal kit wit

Part #900629

Replaced by #WP910934

?
Manufacturer substitution
This part replaces 900629. Substitute parts can look different from the original.
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock

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

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