Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
GE
Side-By-Side Refrigerator

Model # MST20GABCWW Official GE refrigerator - b series

Here are the diagrams and repair parts for Official GE MST20GABCWW refrigerator - b series, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 190 parts  |
Refrigerator Filter Dryer WR86X96
#740

Unit parts diagram

Refrigerator filter dryer

Part #WR86X96

Replaced by #WR86X25269

?
Manufacturer substitution
This part replaces WR86X96. Substitute parts can look different from the original.
BEST SELLER
$79.18 | 
7% OFF Phone Price : $85.18
In Stock
40a15/22 STD372402
40a15/22

Part #STD372402

Replaced by #40A15

?
Manufacturer substitution
This part replaces STD372402. Substitute parts can look different from the original.
BEST SELLER
$15.16 | 
12% OFF Phone Price : $17.16
In Stock
Comp Rpl Kit WR87X471
#725

Unit parts diagram

Comp rpl kit

Part #WR87X471

Replaced by #WR87X20798

?
Manufacturer substitution
This part replaces WR87X471. Substitute parts can look different from the original.
BEST SELLER
$382.57 | 
$12.00 OFF Phone Price : $394.57
In Stock
Refrigerator Defrost Bi-metal Thermostat (replaces Wr50x0122, Wr50x10014, Wr50x128) WR50X122
#240

Freezer section diagram

Refrigerator defrost bi-metal thermostat (replaces wr50x0122, wr50x10014, wr50x128)

Part #WR50X122

BEST SELLER
$37.61 | 
14% OFF Phone Price : $43.61
In Stock
Refrigerator Defrost Timer (replaces Wr09x0489, Wr9x427, Wr9x469, Wr9x488) WR9X489
#257

Fresh food section diagram

Refrigerator defrost timer (replaces wr09x0489, wr9x427, wr9x469, wr9x488)

Part #WR9X489

BEST SELLER
$36.07 | 
14% OFF Phone Price : $42.07
In Stock
Refrigerator Defrost Heater And Thermostat (replaces Wr51x0442, Wr51x342, Wr51x343, Wr51x371, Wr51x463) WR51X442
#230B

Freezer section diagram

Refrigerator defrost heater and thermostat (replaces wr51x0442, wr51x342, wr51x343, wr51x371, wr51x463)

Part #WR51X442

BEST SELLER
$86.35 | 
6% OFF Phone Price : $92.35
In Stock
Technician Refrigerator Light Socket (replaces Swr2x7270, Wr02x11990, Wr02x9391, Wr2x7270, Wr2x8265) WR2X9391
Technician refrigerator light socket (replaces swr2x7270, wr02x11990, wr02x9391, wr2x7270, wr2x8265)

Part #WR2X9391

This item is not returnable
$7.09 | 
12% OFF Phone Price : $8.09
In Stock
Refrigerator Grommet WR2X9153
#270A

Unit parts diagram

Refrigerator grommet

Part #WR2X9153

Replaced by #WR2X8474

?
Manufacturer substitution
This part replaces WR2X9153. Substitute parts can look different from the original.
$10.24 | 
16% OFF Phone Price : $12.24
In Stock
Dryer Screw WH2X930

#NI

All parts diagram

Dryer screw

Part #WH2X930

This item is not returnable
$7.88 | 
11% OFF Phone Price : $8.88
In Stock
Light Switch WR23X193
#609

Fresh food section diagram

Light switch

Part #WR23X193

Replaced by #WR23X37285

?
Manufacturer substitution
This part replaces WR23X193. Substitute parts can look different from the original.
$8.11
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Most common symptoms to help you fix your refrigerators

Choose a symptom to see related refrigerator repairs.

View all

Why won't my refrigerator run?

Main causes: control board or cold control failure, broken compressor start relay, compressor motor failure, defrost tim…

Read more

Why won't my refrigerator ice maker make ice?

Main causes: jammed ice cubes, broken ice maker assembly, dirty water filter, kinked water line, bad water valve, freeze…

Read more

Why is water dripping from my refrigerator onto the floor?

Main causes: water valve leaking, frozen or broken defrost drain tube, overflowing drain pan, cracked water system tubin…

Read more

Why is frost building up in my refrigerator's freezer?

Main causes: damaged door seal, faulty defrost sensor or bi-metal thermostat, broken defrost heater, bad defrost timer o…

Read more

Why isn't my refrigerator cooling well?

Main causes: blocked vents, defrost system problems, evaporator fan failure, dirty condenser coils, bad sensors, condens…

Read more

Why won't my refrigerator cool at all?

Main causes: blocked air vents, compressor problems, condenser or evaporator fan not working, control system failure, se…

Read more

Why is my freezer not cold enough?

Main causes: leaky door gasket, defrost system failure, evaporator fan not running, dirty condenser coils, condenser fan…

Read more

What routine maintenance does my refrigerator need?

Things to do: clean condenser coils, replace the water filter, clean the interior, adjust doors to prevent air leaks, cl…

Read more

Most common repair guides to help fix your refrigerators

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

View all
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Read more
Repair difficulty
Time required
 15 minutes or less
How to clean refrigerator condenser coils

How to clean refrigerator condenser coils

Help your refrigerator run more efficiently by cleaning the condenser coils. It's easy and takes just a few minutes.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator temperature control board

How to replace a refrigerator temperature control board

If the temperature in your refrigerator doesn't match the temperature you set, the problem could be the temperature cont…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your refrigerators

Use the advice and tips in these articles and videos to get the most out of your refrigerator.

View all
How to Replace the Water Filter in a Maytag Refrigerator

How to Replace the Water Filter in a Maytag Refrigerator

No matter what style Maytag refrigerator you have, we can walk you through replacing the water filter.…

Read more
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.…

Read more
How to change the water filter in an LG refrigerator

How to change the water filter in an LG refrigerator

Get tips and advice on replacing the water filter in your LG refrigerator.…

Read more

Parts & More