Whirlpool
Dishwasher

Model #GU940SCGB2 Official Whirlpool undercounter dishwasher

Here are the diagrams and repair parts for Whirlpool GU940SCGB2 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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Owner’s manual
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This is the number corresponding to the part on the diagram / schematic

Showing 10 of 180 parts

Dishwasher Dishrack Spray Arm Mount (replaces 8539324)#14

Upper dishrack and water feed Diagram

Mount

Part #9742994
Replaced by #WP8539324
?
Manufacturer substitution
This part replaces 9742994. Substitute parts can look different from the original.
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Dishwasher Manifold and Spray Arm Assembly (replaces 3378147, 3379644, 9742992, 9743210)#13

Upper dishrack and water feed Diagram

Dishwasher spray arm

Part #3378147
Replaced by #675808
?
Manufacturer substitution
This part replaces 3378147. Substitute parts can look different from the original.
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Appliance Adhesive Sealant (replaces 14213557, 1430323, 17001001, 8201711, WP675652)

#NI

All parts Diagram

Adhesive

Part #675652
Replaced by #W10841140
?
Manufacturer substitution
This part replaces 675652. Substitute parts can look different from the original.
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Dishwasher Lower Spray Arm Bearing (replaces 9742946)#13

Lower dishrack Diagram

Dishwasher lower spray arm bearing

Part #9742946
Replaced by #WP9742946
?
Manufacturer substitution
This part replaces 9742946. Substitute parts can look different from the original.
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MSRP: $21.00
Dishwasher Door Seal (replaces W10509257)#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.
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Dishwasher Spray Arm Nut (replaces 9742945)#12

Lower dishrack Diagram

Dishwasher spray arm nut

Part #9742945
Replaced by #WP9742945
?
Manufacturer substitution
This part replaces 9742945. Substitute parts can look different from the original.
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Appliance Touch-Up Paint, 0.6-oz (White) (replaces 21020, 72017R, 8006, W10813125, Y058028)

#NI

All parts Diagram

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

Part #72017
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Dishwasher Detergent Dispenser Cover Spring (replaces 8066018)#10

Inner door Diagram

Spring

Part #300106
Replaced by #WP8066018
?
Manufacturer substitution
This part replaces 300106. Substitute parts can look different from the original.
BEST SELLER
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In Stock
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Dishwasher Water Inlet Valve (replaces W10327248, WP9744468, WPW10219643)#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.
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Dishwasher Heating Element Rubber Washer (replaces 717273)#14

Tub assembly Diagram

Dishwasher heating element rubber washer

Part #717273
Replaced by #WP717273
?
Manufacturer substitution
This part replaces 717273. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
In Stock
$6.19 | 
14% OFF 
Phone Price: $7.19

Symptoms common to all dishwashers

Choose a symptom to see related dishwasher repairs.

April 20, 2023

Why can't I adjust the dishwasher rack height?

By Lyle Weischwill
Main cause: damaged rack height adjuster
Read more
April 20, 2023

Why won't my dishwasher fill?

By Lyle Weischwill
Main causes: water supply problem, stuck overfill float, clogged water inlet valve screen, water inlet valve failure
Read more
April 20, 2023

Why isn't my dishwasher getting dishes clean?

By Lyle Weischwill
Main causes: improper loading, low water temperature, improper detergent dosage, detergent dispenser failure, spray arm or pump problems
Read more
April 20, 2023

Why is my dishwasher leaking?

By Lyle Weischwill
Main causes: damaged or stuck spray arm, leaking door seal, damaged door hinge, leaky heating element water seal, cracked water supply line
Read more
April 20, 2023

Why does my dishwasher stop mid-cycle?

By Lyle Weischwill
Main causes: broken door latch, tripped circuit breaker, broken heating element, faulty vent fan, sensor failure, control system problem
Read more
April 20, 2023

Why won't my dishwasher start?

By Lyle Weischwill
Main causes: light switch beside the sink turned off, lack of power, bad dishwasher door switch, control system failure, wiring problem
Read more
April 20, 2023

Why won't my dishwasher drain?

By Lyle Weischwill
Main causes: clogged kitchen sink drain, clogged drain hose, drain check valve damaged, drain pump failure, control system problem
Read more
April 20, 2023

Why does my dishwasher door drop open too fast?

By Lyle Weischwill
Main causes: broken door spring, damaged or broken door hinge
Read more
April 20, 2023

Why is my dishwasher noisy?

By Lyle Weischwill
Main causes: glass or popcorn kernel stuck in the chopper blade, drain line vibrating against the cabinet, debris in wash pump or drain pump
Read more

Repair guides common to all dishwashers

These step-by-step repair guides will help you safely fix what’s broken on your dishwasher.

October 1, 2016

How to replace a dishwasher door latch assembly

By Lyle Weischwill
How to replace a dishwasher door latch assembly

If the dishwasher door doesn't click shut, a broken door latch is a likely cause. Follow these instructions to replace it yourself.

Repair difficulty
Time required
 30 minutes or less
October 1, 2016

How to replace a dishwasher user interface control

By Lyle Weischwill
How to replace a dishwasher user interface control

The user interface control houses the selection buttons and display. If it fails, you can't select the cycle and settings. Follow these instructions to replace it yourself.

Repair difficulty