Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Whirlpool
Dishwasher

Model # DU840SWPU1 Official Whirlpool dishwasher

Here are the diagrams and repair parts for Official Whirlpool DU840SWPU1 dishwasher, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 62 parts  |
Dishwasher Float Switch Housing Cover 8318219
#31

Tub assembly parts diagram

Dishwasher float switch housing cover

Part #8318219

$9.65 | 
9% OFF Phone Price : $10.65
In Stock
Dishwasher Terminal Block Cover 300068
#41

Tub assembly parts diagram

Dishwasher terminal block cover

Part #300068

This item is not returnable
$25.29 | 
19% OFF Phone Price : $31.29
In Stock
Dishwasher Wire Harness Retainer 3376405
#14

Frame and console parts diagram

Dishwasher wire harness retainer

Part #3376405

$9.79 | 
9% OFF Phone Price : $10.79
In Stock
Dishwasher Grommet Washer 3369038
#8

Pump and spray arm parts diagram

Dishwasher grommet washer

Part #3369038

$12.49
In Stock
Torx Screw 3368922
#12

Pump and motor parts diagram

Torx screw

Part #3368922

This item is not returnable
$6.39
In Stock
Kirkland Dishwasher Collector Hose 8520842
#22

Pump and spray arm parts diagram

Kirkland dishwasher collector hose

Part #8520842

$42.49
In Stock
Bearing 3371746
#14

Pump and spray arm parts diagram

Bearing

Part #3371746

$12.49
In Stock
Clamp (replaces 3369036, 34001297, 34001305) 3400959
#4

Pump and spray arm parts diagram

Clamp (replaces 3369036, 34001297, 34001305)

Part #3400959

$16.11
In Stock
Estate Dishwasher Timer Knob (black) 8275308
#17

Frame and console parts diagram

Estate dishwasher timer knob (black)

Part #8275308

$43.84
In Stock
Dishwasher Rinse-aid Dispenser Drip Cover (replaces 3369830) 3371569
#16

Inner door parts diagram

Dishwasher rinse-aid dispenser drip cover (replaces 3369830)

Part #3371569

$36.03 | 
14% OFF Phone Price : $42.03
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

View all

Why won't my dishwasher fill?

Main causes: water supply problem, stuck overfill float, clogged water inlet valve screen, water inlet valve failure…

Read more

Why won't my dishwasher drain?

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

Read more

Why does my dishwasher door drop open too fast?

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

Read more

Why can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

Read more

Why isn't my dishwasher getting dishes clean?

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

Read more

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,…

Read more

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…

Read more

Why does my dishwasher stop mid-cycle?

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

Read more

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…

Read more

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.

View all
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.…

Read more
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.

View all
How to clean and maintain your dishwasher

How to clean and maintain your dishwasher

Get tips for cleaning and maintaining your dishwasher…

Read more
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.…

Read more
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.…

Read more

Parts & More