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Maytag
Refrigerator

Model # NNT178GZ/8A35A Official Maytag refrigerator

Here are the diagrams and repair parts for Official Maytag NNT178GZ-8A35A refrigerator, as well as links to manuals and error code tables, if available.

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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

Model diagram and schematic

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ALL PARTS
Showing 10 of 134 parts  |
Low Bushing 66034-1
#43

Doors diagram

Low bushing

Part #66034-1

$14.69
In Stock
Screw 9986-87
#34A

Doors diagram

Screw

Part #9986-87

Replaced by #WP3-24838-048

?
Manufacturer substitution
This part replaces 9986-87. Substitute parts can look different from the original.
This item is not returnable
$4.33
In Stock
Condenser Blade 60485-1
#15

Unit compartment & system diagram

Condenser blade

Part #60485-1

Replaced by #WP12587601

?
Manufacturer substitution
This part replaces 60485-1. Substitute parts can look different from the original.
$62.33 | 
9% OFF Phone Price : $68.33
In Stock
Refrigerator Screw 405012-1
#8A

Fresh food compartment diagram

Refrigerator screw

Part #405012-1

Replaced by #W11380570

?
Manufacturer substitution
This part replaces 405012-1. Substitute parts can look different from the original.
This item is not returnable
$18.19 | 
10% OFF Phone Price : $20.19
In Stock
Screw 400015-12
#4B

Freezer compartment diagram

Screw

Part #400015-12

Replaced by #W11233072

?
Manufacturer substitution
This part replaces 400015-12. Substitute parts can look different from the original.
$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Refrigerator Door Hinge Nylon Washer 52185-1
#34

Doors diagram

Refrigerator door hinge nylon washer

Part #52185-1

Replaced by #WP52185-1

?
Manufacturer substitution
This part replaces 52185-1. Substitute parts can look different from the original.
$8.09 | 
11% OFF Phone Price : $9.09
In Stock
Refrigerator Wire Tie 66223-1
#38

Unit compartment & system diagram

Refrigerator wire tie

Part #66223-1

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

Rivet 26397-9
#31

Unit compartment & system diagram

Rivet

Part #26397-9

Replaced by #WP210720

?
Manufacturer substitution
This part replaces 26397-9. Substitute parts can look different from the original.
$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Refrigerator Evaporator Defrost Heater 60106-34
#32

Unit compartment & system diagram

Refrigerator evaporator defrost heater

Part #60106-34

Replaced by #WP60106-34

?
Manufacturer substitution
This part replaces 60106-34. Substitute parts can look different from the original.
$65.15 | 
10% OFF Was : $72.39
In Stock
Panel, Frz. Door (alm) - Series 11 NO LONGER AVAILABLE
Panel, frz. door (alm) - series 11

Part #NO LONGER AVAILABLE

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

Most common symptoms to help you fix your refrigerators

Choose a symptom to see related refrigerator repairs.

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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 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 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 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 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

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…

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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

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…

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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.

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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 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
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

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.

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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.…

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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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How to prevent water dispenser and ice maker problems

How to prevent water dispenser and ice maker problems

If your refrigerator's ice maker isn't producing as much ice as it should, or water is flowing poorly from the dispenser…

Read more

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