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Whirlpool
Dishwasher

Model # WDT550SAPZ0 Official Whirlpool dishwasher

Here are the diagrams and repair parts for Official Whirlpool WDT550SAPZ0 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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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 129 parts  |
Latch Assembly (includes Switch) W11091934
Latch assembly (includes switch)

Part #W11091934

Replaced by #W11412299

?
Manufacturer substitution
This part replaces W11091934. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$16.10 | 
11% OFF Phone Price : $18.10
In Stock
Indicator, Optical Wash W11126174
Indicator, optical wash

Part #W11126174

Replaced by #W11410464

?
Manufacturer substitution
This part replaces W11126174. Substitute parts can look different from the original.
$17.99 | 
10% OFF Phone Price : $19.99
In Stock
40.8-44.0mm W11122851
40.8-44.0mm

Part #W11122851

Replaced by #W10783615

?
Manufacturer substitution
This part replaces W11122851. Substitute parts can look different from the original.
This item is not returnable
$11.42 | 
15% OFF Phone Price : $13.42
In Stock
Dishwasher Screw W10316572
Dishwasher screw

Part #W10316572

Replaced by #W10826179

?
Manufacturer substitution
This part replaces W10316572. Substitute parts can look different from the original.
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock
Stud-mountin W11049903
Stud-mountin

Part #W11049903

Replaced by #W11157086

?
Manufacturer substitution
This part replaces W11049903. Substitute parts can look different from the original.
$36.75 | 
14% OFF Phone Price : $42.75
In Stock
Dishwasher Screw W10693137
Dishwasher screw

Part #W10693137

Replaced by #W10907991

?
Manufacturer substitution
This part replaces W10693137. Substitute parts can look different from the original.
This item is not returnable
$5.27 | 
16% OFF Phone Price : $6.27
In Stock
Lightpipe As W11102920
Lightpipe as

Part #W11102920

$27.76
In Stock
Installation W11696038
Installation

Part #W11696038

$90.56
In Stock
Inner Door A W11690648
Inner door a

Part #W11690648

$199.89
In Stock
Module Progr W11696402
Module progr

Part #W11696402

$172.90
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 heating element

How to replace a dishwasher heating element

Dishes not drying as fast as they should? The dishwasher heating element could be on the fritz. Here's how to install a …

Read more
Repair difficulty
Time required
 45 minutes or less
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 diverter motor

How to replace a dishwasher diverter motor

Upper spray arms not getting water? The diverter motor could be broken. Use this guide to replace it.…

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Repair difficulty
Time required
 30 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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