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GE
Dishwasher

Model # GSH420N-08 Official GE dishwasher

Here are the diagrams and repair parts for Official GE GSH420N-08 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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Showing 10 of 14 parts  |
Asm Mech WD26X74

#310

All parts diagram

Asm mech

Part #WD26X74

Replaced by #WD26X10013

?
Manufacturer substitution
This part replaces WD26X74. Substitute parts can look different from the original.
BEST SELLER
$148.24 | 
9% OFF Was : $162.37
In Stock
Bsktslvwrasm WD28X191

#NI

All parts diagram

Bsktslvwrasm

Part #WD28X191

Replaced by #WD28X265

?
Manufacturer substitution
This part replaces WD28X191. Substitute parts can look different from the original.
$91.85 | 
6% OFF Phone Price : $97.85
In Stock
Impeller Kit WD17X57

#NI

All parts diagram

Impeller kit

Part #WD17X57

Replaced by #WD19X10032

?
Manufacturer substitution
This part replaces WD17X57. Substitute parts can look different from the original.
$43.99 | 
12% OFF Phone Price : $49.99
In Stock
Switch WD21X5135

#301

All parts diagram

Switch

Part #WD21X5135

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

Gasket WD8X202

#843

All parts diagram

Gasket

Part #WD8X202

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

Switch Kit WD6X144

#NI

All parts diagram

Switch kit

Part #WD6X144

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

Switch Pushbutton WD21X255

#NI

All parts diagram

Switch pushbutton

Part #WD21X255

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

Fill Funnel WD24X00

#NI

All parts diagram

Fill funnel

Part #WD24X00

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

Pump Housing Assembly WD19X13

#NI

All parts diagram

Pump housing assembly

Part #WD19X13

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

Latch WD13X55

#NI

All parts diagram

Latch

Part #WD13X55

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

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

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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 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 won't my dishwasher fill?

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

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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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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 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 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 can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

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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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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 water inlet valve

How to replace a dishwasher water inlet valve

If your dishwasher fills constantly or won't fill at all, the water inlet valve has failed. You can replace it in about …

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Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher detergent dispenser

How to replace a dishwasher detergent dispenser

Dishes need dish detergent to get clean. Learn how to replace a dishwasher detergent dispenser with easy step-by-step i…

Read more
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…

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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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How to clean and maintain your dishwasher

How to clean and maintain your dishwasher

Get tips for cleaning and maintaining 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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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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