Whirlpool
Dishwasher

Model # DU840DWGX1 Official Whirlpool undercounter dishwasher

Here are the diagrams and repair parts for Official Whirlpool DU840DWGX1 undercounter dishwasher, 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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Model diagram and schematic

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ALL PARTS
Showing 10 of 159 parts  |

Dishwasher Door Seal 3376927
#10

Tub assembly diagram

Dishwasher door seal

Part #3376927

Replaced by #WPW10509257

?
Manufacturer substitution
This part replaces 3376927. Substitute parts can look different from the original.
BEST SELLER
$42.51
12% OFF Phone Price : $48.51
In Stock
Torx Screw 3368921
#6

Pump and motor diagram

Torx screw

Part #3368921

Replaced by #WP3368921

?
Manufacturer substitution
This part replaces 3368921. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.23
14% OFF Phone Price : $7.23
In Stock
Track 9742998
#6

Dishrack diagram

Track

Part #9742998

Replaced by #WP3385089

?
Manufacturer substitution
This part replaces 9742998. Substitute parts can look different from the original.
BEST SELLER
$39.73
13% OFF Phone Price : $45.73
In Stock
Dishrack 3371655
#8

Dishrack diagram

Dishrack

Part #3371655

Replaced by #W11169039

?
Manufacturer substitution
This part replaces 3371655. Substitute parts can look different from the original.
BEST SELLER
$123.98
9% OFF Phone Price : $135.98
In Stock
Inlet Valve 3378779
#16

Tub assembly diagram

Inlet valve

Part #3378779

Replaced by #W10844024

?
Manufacturer substitution
This part replaces 3378779. Substitute parts can look different from the original.
BEST SELLER
$57.47
9% OFF Phone Price : $63.47
In Stock
Danby Appliance Touch-up Paint, 0.6-oz (white) (replaces 21020, 72017r, 8006, W10813125, Y058028) 72017

#NI

All parts diagram

Danby appliance touch-up paint, 0.6-oz (white) (replaces 21020, 72017r, 8006, w10813125, y058028)

Part #72017

BEST SELLER
$8.29
11% OFF Phone Price : $9.29
In Stock
Dishwasher Door Latch 3380854
#9

Frame and console diagram

Dishwasher door latch

Part #3380854

Replaced by #WP3380854

?
Manufacturer substitution
This part replaces 3380854. Substitute parts can look different from the original.
BEST SELLER
$42.12
12% OFF Phone Price : $48.12
In Stock
Dishwasher Detergent Dispenser Cover Hinge Pin 3372028
#11

Inner door diagram

Dishwasher detergent dispenser cover hinge pin

Part #3372028

Replaced by #WP3372028

?
Manufacturer substitution
This part replaces 3372028. Substitute parts can look different from the original.
BEST SELLER
$7.82
11% OFF Phone Price : $8.82
In Stock
Clamp 356138
#44

Tub assembly diagram

Clamp

Part #356138

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

Dishwasher Detergent Dispenser Cover 3378138
#9

Inner door diagram

Dishwasher detergent dispenser cover

Part #3378138

Replaced by #WP3378138

?
Manufacturer substitution
This part replaces 3378138. Substitute parts can look different from the original.
BEST SELLER
$18.69
10% OFF Phone Price : $20.69
In Stock

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

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

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

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

Main cause: damaged rack height adjuster...

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

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

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

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

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

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.

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....

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...

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...

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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Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier....

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