Hoover
Upright Vacuum

Model #U5721-900 Official Hoover windtunnel bagless vacuum

Here are the diagrams and repair parts for Hoover U5721-900 windtunnel bagless vacuum, 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.

Owner’s manual

Showing 10 of 106 parts

Vacuum Handle#46

Wind tunnel bagless Diagram

Vacuum handle

Part #39457018

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

Attachment Holder#8A

Wind tunnel bagless Diagram

Attachment holder

Part #36433149

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

Vacuum Screw#69

Wind tunnel bagless Diagram

Vacuum screw

Part #21447121

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

Vacuum Motor Mount#37

Wind tunnel bagless Diagram

Vacuum motor mount

Part #36322030

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

Vacuum Light Bulb#34

Wind tunnel bagless Diagram

Vacuum light bulb

Part #27313101

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

Vacuum Screw

See All Related Diagrams

Vacuum screw

Part #21447228

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

Insert#30

Wind tunnel bagless Diagram

Insert

Part #34131019

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

Vacuum Screw#44

Wind tunnel bagless Diagram

Vacuum screw

Part #21447230

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

Protector#72

Wind tunnel bagless Diagram

Protector

Part #28382093

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

Vacuum Cover

#NI03

All parts Diagram

Vacuum cover

Part #37255015

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

Symptoms common to all vacuum cleaners

Choose a symptom to see related vacuum cleaner repairs.

Main causes: damaged vacuum hose, clogged motor air filter, bad suction motor
Main causes: broken drive belt, damaged brush roll, tripped brush roll motor overload, bad brush roll motor, wiring failure
Main causes: lack of power, bad power cord, drive motor failure, wiring failure
Main causes: weak suction motor, vacuum bag is full, clog in suction air path, dirty exhaust filter, leaky vacuum hose

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