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GE
Dishwasher

Model # GDT645SGN2BB Official GE dishwasher

Here are the diagrams and repair parts for Official GE GDT645SGN2BB 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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Error Codes

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ALL PARTS
Showing 10 of 119 parts  |
Dishwasher Spray Arm, Lower WD22X10091
#501

Motor, sump & filter assembly diagram

Dishwasher spray arm, lower

Part #WD22X10091

Replaced by #WD22X27724

?
Manufacturer substitution
This part replaces WD22X10091. Substitute parts can look different from the original.
BEST SELLER
$21.00 | 
22% OFF Phone Price : $27.00
Back Order
Wash Pump Main Asm WD19X25460
#310

Motor, sump & filter assembly diagram

Wash pump main asm

Part #WD19X25460

Replaced by #WD19X25700

?
Manufacturer substitution
This part replaces WD19X25460. Substitute parts can look different from the original.
BEST SELLER
$107.31 | 
10% OFF Phone Price : $119.31
In Stock
G.e. Dishwasher Door Latch Lock WD21X10490
#803

Body parts diagram

G.e. dishwasher door latch lock

Part #WD21X10490

BEST SELLER
$28.66 | 
17% OFF Phone Price : $34.66
In Stock
Configured Machine Control Board WD21X25699
#750

Body parts diagram

Configured machine control board

Part #WD21X25699

Replaced by #WD21X27998

?
Manufacturer substitution
This part replaces WD21X25699. Substitute parts can look different from the original.
BEST SELLER
$146.22 | 
8% OFF Was : $158.94
In Stock
Rack Lower Asm Complete WD28X24478
#701

Lower rack assembly diagram

Rack lower asm complete

Part #WD28X24478

Replaced by #WD28X26099

?
Manufacturer substitution
This part replaces WD28X24478. Substitute parts can look different from the original.
BEST SELLER
$77.83 | 
7% OFF Phone Price : $83.83
In Stock
Dishwasher Spray Arm, Middle WD22X26622
#618

Upper rack assembly diagram

Dishwasher spray arm, middle

Part #WD22X26622

Replaced by #WD22X27740

?
Manufacturer substitution
This part replaces WD22X26622. Substitute parts can look different from the original.
BEST SELLER
$27.64 | 
18% OFF Phone Price : $33.64
In Stock
Dishwasher Tub Gasket (replaces Wd08x20675) WD08X22095
#843

Body parts diagram

Dishwasher tub gasket (replaces wd08x20675)

Part #WD08X22095

BEST SELLER
$16.71 | 
11% OFF Phone Price : $18.71
In Stock
Dishwasher Water Inlet Valve (replaces Wd15x32009) WD15X26078
#744

Body parts diagram

Dishwasher water inlet valve (replaces wd15x32009)

Part #WD15X26078

BEST SELLER
$25.98 | 
19% OFF Phone Price : $31.98
In Stock
Dishwasher Detergent Dispenser WD12X24058
#811

Escutcheon & door assembly diagram

Dishwasher detergent dispenser

Part #WD12X24058

Replaced by #WD12X32798

?
Manufacturer substitution
This part replaces WD12X24058. Substitute parts can look different from the original.
BEST SELLER
$73.95
In Stock
Dishwasher Lower Dishrack Roller WD12X10435
#704

Lower rack assembly diagram

Dishwasher lower dishrack roller

Part #WD12X10435

Replaced by #WD12X26146

?
Manufacturer substitution
This part replaces WD12X10435. Substitute parts can look different from the original.
BEST SELLER
$7.66 | 
12% OFF Phone Price : $8.66
In Stock

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 …

Read more
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…

Read more
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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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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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

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

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