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Universal/Multiflex (Frigidaire)
Upright Freezer

Model # MFU21M3BW2 Official Universal/Multiflex (Frigidaire) freezer - 5995266762

Here are the diagrams and repair parts for Official Universal/Multiflex (Frigidaire) MFU21M3BW2 freezer - 5995266762, 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:

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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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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 95 parts  |
Filter Drier 216099900
#30

Liner and unit diagram

Filter drier

Part #216099900

Replaced by #5303305677

?
Manufacturer substitution
This part replaces 216099900. Substitute parts can look different from the original.
BEST SELLER
$12.71 | 
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In Stock
Key 5308037402
#47

Door diagram

Key

Part #5308037402

Replaced by #297147700

?
Manufacturer substitution
This part replaces 5308037402. Substitute parts can look different from the original.
BEST SELLER
$9.07 | 
10% OFF Phone Price : $10.07
In Stock
Capacitor 216236200
#86

Liner and unit diagram

Capacitor

Part #216236200

Replaced by #5304464438

?
Manufacturer substitution
This part replaces 216236200. Substitute parts can look different from the original.
BEST SELLER
$45.87 | 
12% OFF Phone Price : $51.87
In Stock
Plug 216297600
#12

Cabinet diagram

Plug

Part #216297600

Replaced by #216502600

?
Manufacturer substitution
This part replaces 216297600. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$13.04 | 
13% OFF Phone Price : $15.04
In Stock
Freezer Drain Hose Adapter 5308005500
#11

Cabinet diagram

Freezer drain hose adapter

Part #5308005500

Replaced by #5304511843

?
Manufacturer substitution
This part replaces 5308005500. Substitute parts can look different from the original.
This item is not returnable
$13.42 | 
13% OFF Phone Price : $15.42
In Stock
Shelf 216097900
#73

Liner and unit diagram

Shelf

Part #216097900

Replaced by #5304509723

?
Manufacturer substitution
This part replaces 216097900. Substitute parts can look different from the original.
This item is not returnable
$25.18 | 
19% OFF Phone Price : $31.18
In Stock
Support 3091418
#1

Liner and unit diagram

Support

Part #3091418

Replaced by #297001600

?
Manufacturer substitution
This part replaces 3091418. Substitute parts can look different from the original.
This item is not returnable
$16.49 | 
11% OFF Phone Price : $18.49
In Stock
Freezer Breather Valve 5309950074
#48

Door diagram

Freezer breather valve

Part #5309950074

This item is not returnable
$12.29 | 
14% OFF Phone Price : $14.29
In Stock
Support 08037928

#NI

All parts diagram

Support

Part #08037928

Replaced by #297001500

?
Manufacturer substitution
This part replaces 08037928. Substitute parts can look different from the original.
This item is not returnable
$18.32 | 
10% OFF Phone Price : $20.32
In Stock
Shelf 216071000
#18

Liner and unit diagram

Shelf

Part #216071000

Replaced by #5304506302

?
Manufacturer substitution
This part replaces 216071000. Substitute parts can look different from the original.
This item is not returnable
$221.34 | 
5% OFF Phone Price : $233.34
In Stock

Most common symptoms to help you fix your freestanding freezers

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Why don't the lights in my freezer work?

Main causes: burned out light bulb, bad door or lid switch, faulty LED light board, wiring failure, control system failu…

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What should I do when my freezer's high-temperature alarm sounds?

Main causes: lack of power, bad compressor, refrigerant leak, bad thermistor, defrost system failure, dirty condenser co…

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Why isn't my freezer cooling?

Main causes: compressor failure, no refrigerant, faulty sensor, control failure, broken defrost heater, bad defrost bi-m…

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Why does my freezer have a lot of frost inside?

Main causes: damaged door or lid gasket, cracked cabinet liner, bad defrost bi-metal thermostat, broken defrost heater, …

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Why is my freezer too warm?

Main causes: excessive frost, bad defrost heater, bad defrost bi-metal, control system failure, low refrigerant charge, …

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Why is my freezer hot on the outside?

Main causes: dirty condenser coils, condenser fan failure, dirty bottom front grill, leaky door or lid gasket…

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Why isn't my freezer running?

Main causes: lack of power, control system failure, broken compressor start relay, locked up compressor, compressor moto…

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Why is my freezer so noisy?

Main causes: leaky door or lid gasket, broken defrost heater, bad defrost bi-metal thermostat, defrost control failure, …

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How to replace a freezer control panel

How to replace a freezer control panel

A freezer control panel that doesn’t show the temperature or respond when you press the buttons could be broken. This DI…

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Repair difficulty
Time required
 15 minutes or less
How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

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Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

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Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your freestanding freezers

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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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Top questions about Sears and Sears PartsDirect

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How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

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