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Whirlpool
Dishwasher

Model # DU840CWDB0 Official Whirlpool undercounter dishwasher

Here are the diagrams and repair parts for Official Whirlpool DU840CWDB0 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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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 89 parts  |
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 Tine Tip Set, 125-pack (white) (replaces 346308) 675679

#NI

All parts diagram

Dishwasher tine tip set, 125-pack (white) (replaces 346308)

Part #675679

This item is not returnable
$23.49 | 
20% OFF Phone Price : $29.49
In Stock
Dishwasher Rinse-aid Dispenser Drip Cover (replaces 3369830) 3371569
#16

Inner door diagram

Dishwasher rinse-aid dispenser drip cover (replaces 3369830)

Part #3371569

$36.03 | 
14% OFF Phone Price : $42.03
In Stock
Dishwasher Grommet Washer 3369038
#8

Pump and spray arm diagram

Dishwasher grommet washer

Part #3369038

$12.49
In Stock
Bearing 3371746
#14

Pump and spray arm diagram

Bearing

Part #3371746

$12.49
In Stock
Dishwasher Terminal Block Cover 300068
#41

Tub assembly diagram

Dishwasher terminal block cover

Part #300068

This item is not returnable
$25.29 | 
19% OFF Phone Price : $31.29
In Stock
Torx Screw 3368922
#12

Pump and motor diagram

Torx screw

Part #3368922

This item is not returnable
$6.39
In Stock
Dishwasher Door Frame 3374711
#8

Frame and console diagram

Dishwasher door frame

Part #3374711

$75.49 | 
7% OFF Phone Price : $81.49
In Stock
Dishwasher Timer Knob 3375348
#17

Frame and console diagram

Dishwasher timer knob

Part #3375348

$43.79 | 
12% OFF Phone Price : $49.79
In Stock
Pump Motor 3372625
#11

Pump and motor diagram

Pump motor

Part #3372625

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

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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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How to replace a dishwasher door outer panel

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