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GE
Dishwasher

Model # GDT645SGN3BB Official GE dishwasher

Here are the diagrams and repair parts for Official GE GDT645SGN3BB dishwasher, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 114 parts  |
Dishwasher Spray Arm, Lower WD22X10091
#501

Motor, sump & filter assembly diagram

Dishwasher spray arm, lower

Part #WD22X10091

Replaced by #WD22X27724

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Manufacturer substitution
This part replaces WD22X10091. Substitute parts can look different from the original.
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$22.52 | 
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Complete Ser WD28X28218
#701

Lower rack assembly diagram

Complete ser

Part #WD28X28218

Replaced by #WD28X26099

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Manufacturer substitution
This part replaces WD28X28218. Substitute parts can look different from the original.
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$80.74 | 
6% OFF Phone Price : $85.74
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Dishwasher Door Latch Lock WD21X10490
#803

Body parts diagram

Dishwasher door latch lock

Part #WD21X10490

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Dishwasher Pressure Sensor WD21X25468
#333

Motor, sump & filter assembly diagram

Dishwasher pressure sensor

Part #WD21X25468

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Dishwasher Drain Pump (replaces Wd19x26143, Wd19x31178) WD19X25461
#325

Motor, sump & filter assembly diagram

Dishwasher drain pump (replaces wd19x26143, wd19x31178)

Part #WD19X25461

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9% OFF Phone Price : $55.93
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Wash Pump Main Asm WD19X25460
#310

Motor, sump & filter assembly diagram

Wash pump main asm

Part #WD19X25460

Replaced by #WD19X25700

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Manufacturer substitution
This part replaces WD19X25460. Substitute parts can look different from the original.
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$118.00 | 
8% OFF Phone Price : $128.00
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Element Heat WD05X25583
#101

Body parts diagram

Element heat

Part #WD05X25583

Replaced by #WD05X30298

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Manufacturer substitution
This part replaces WD05X25583. Substitute parts can look different from the original.
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9% OFF Phone Price : $58.75
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Configured Machine Control Board WD21X25699
#750

Body parts diagram

Configured machine control board

Part #WD21X25699

Replaced by #WD21X27998

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Manufacturer substitution
This part replaces WD21X25699. Substitute parts can look different from the original.
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$175.13 | 
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Dishwasher Tub Gasket (replaces Wd08x20675) WD08X22095
#843

Body parts diagram

Dishwasher tub gasket (replaces wd08x20675)

Part #WD08X22095

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Dishwasher Water Inlet Valve (replaces Wd15x32009) WD15X26078
#744

Body parts diagram

Dishwasher water inlet valve (replaces wd15x32009)

Part #WD15X26078

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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 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 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 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 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 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 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 start?

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

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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 door latch assembly

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 i…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher user interface control

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 setting…

Read more
Repair difficulty
Time required
 30 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…

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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 use your dishwasher efficiently

How to use your dishwasher efficiently

Get expert tips on using your dishwasher efficiently to save water and energy.…

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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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Dishwasher has power but won't run? Could be demo mode

Dishwasher has power but won't run? Could be demo mode

This list shows how to disable the demo mode on a variety of dishwashers.…

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