GE
Side-By-Side Refrigerator

Model #ZISB420DNGII Official GE refrigerator

Here are the diagrams and repair parts for GE ZISB420DNGII refrigerator, 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.
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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
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This is the number corresponding to the part on the diagram / schematic

Showing 10 of 240 parts

GE Refrigerator Water Filter (replaces 9970, MWFPA)#303

Fresh food section Diagram

Refrigerator water filter

Part #MWFP
Replaced by #MWF
?
Manufacturer substitution
This part replaces MWFP. Substitute parts can look different from the original.
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$49.99
Refrigerator Temperature Sensor

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Refrigerator temperature sensor

Part #WR55X10025
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$24.01 | 
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Phone Price: $29.01
Refrigerator Condenser Fan (replaces WR60X10053, WR60X10155, WR60X24483)#713

Machine compartment Diagram

Refrigerator condenser fan (replaces wr60x10053, wr60x10155, wr60x24483)

Part #WR60X10209
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$61.29 | 
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Phone Price: $66.29
Refrigerator Door Bin (replaces WR71X10428)#207

Fresh food door Diagram

Refrigerator door bin (replaces wr71x10428)

Part #WR71X25603
In Stock
$97.99 | 
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Phone Price: $107.99
Refrigerator Freezer Basket Slide Rail, Left#4

Freezer shelves Diagram

Refrigerator freezer basket slide rail, left

Part #WR72X10190
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$70.39 | 
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Phone Price: $75.39
Refrigerator Defrost Bi-Metal Thermostat

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Refrigerator defrost bi-metal thermostat

Part #WR50X29776
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Refrigerator Door Gallon Bin#206

Fresh food door Diagram

Refrigerator door gallon bin

Part #WR71X25589
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$82.10 | 
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Was: $99.80
Refrigerator Dispenser Auger, Front#880

Ice maker & dispenser Diagram

Refrigerator dispenser auger, front

Part #WR17X4207
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$44.89 | 
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Phone Price: $49.89
Refrigerator Water Inlet Valve Assembly (replaces WR57X10092)#795

Machine compartment Diagram

Refrigerator water inlet valve assembly (replaces wr57x10092)

Part #WR57X10084
In Stock
$98.00 | 
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Phone Price: $108.00
Refrigerator Auger Motor#823

Ice maker & dispenser Diagram

Refrigerator auger motor

Part #WR60X10276
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Phone Price: $68.99

Symptoms common to all refrigerators

Choose a symptom to see related refrigerator repairs.

April 20, 2023

Why won't my refrigerator ice maker make ice?

By Lyle Weischwill
Main causes: jammed ice cubes, broken ice maker assembly, dirty water filter, kinked water line, bad water valve, freezer not cold enough
Read more
April 20, 2023

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

By Lyle Weischwill
Main causes: damaged door seal, faulty defrost sensor or bi-metal thermostat, broken defrost heater, bad defrost timer or control board
Read more
April 20, 2023

Why is my freezer not cold enough?

By Lyle Weischwill
Main causes: leaky door gasket, defrost system failure, evaporator fan not running, dirty condenser coils, condenser fan not running
Read more
April 20, 2023

Why won't my refrigerator run?

By Lyle Weischwill
Main causes: control board or cold control failure, broken compressor start relay, compressor motor failure, defrost timer problems
Read more
April 20, 2023

Why is water dripping from my refrigerator onto the floor?

By Lyle Weischwill
Main causes: water valve leaking, frozen or broken defrost drain tube, overflowing drain pan, cracked water system tubing, leaking door seal
Read more
April 20, 2023

What routine maintenance does my refrigerator need?

By Lyle Weischwill
Things to do: clean condenser coils, replace the water filter, clean the interior, adjust doors to prevent air leaks, clean the drain pan
Read more
April 20, 2023

Why won't my refrigerator cool at all?

By Lyle Weischwill
Main causes: blocked air vents, compressor problems, condenser or evaporator fan not working, control system failure, sensor problems
Read more
April 20, 2023

Why isn't my refrigerator cooling well?

By Lyle Weischwill
Main causes: blocked vents, defrost system problems, evaporator fan failure, dirty condenser coils, bad sensors, condenser fan not working
Read more

Repair guides common to all refrigerators

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

July 20, 2015

How to clean refrigerator condenser coils

By Lyle Weischwill
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.

Repair difficulty
Time required
 15 minutes or less
July 20, 2015

How to replace a refrigerator water valve

By Lyle Weischwill
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.

Repair difficulty
Time required
 15 minutes or less
July 20, 2015

How to replace a refrigerator temperature control board

By Lyle Weischwill
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 control board—a service technician can give you a definite diagnosis. If the board is at fault, follow these steps to replace it yourself.

Repair difficulty
Time required
 30 minutes or less

Articles and videos common to all refrigerators

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

June 2, 2022

How to Remove a GE French Door Refrigerator Flipper Mullion

By Lyle Weischwill
How to Remove a GE French Door Refrigerator Flipper Mullion

Learn how to replace the flipper mullion on a GE French door refrigerator.

Read more
April 19, 2022

How to change the water filter in an LG refrigerator

By Lyle Weischwill
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
December 30, 2021

How to fix your evaporator cooling fan

By Lyle Weischwill
How to fix your evaporator cooling fan

Learn how to fix a broken evaporator fan

Read more