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Hoover
Upright Vacuum

Model # U3721910 Official Hoover vacuum

Here are the diagrams and repair parts for Official Hoover U3721910 vacuum, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 186 parts  |
Housing Cover 37951006
#19

Power max diagram

Housing cover

Part #37951006

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

Thread Guard 41435018
#10

Agitator diagram

Thread guard

Part #41435018

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

Motor Housing 42193004
#7

Motor diagram

Motor housing

Part #42193004

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

Armature 44765065
#8

Motor diagram

Armature

Part #44765065

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

Spring 38334002
#35

Power max diagram

Spring

Part #38334002

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

Motor Mount 32162003
#2

Motor diagram

Motor mount

Part #32162003

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

Hood Support 35131001
#33

Agitator housing diagram

Hood support

Part #35131001

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

Nut 33426001
#16

Motor diagram

Nut

Part #33426001

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

Kenmore Keylock 160040AY
#13

Agitator housing diagram

Kenmore keylock

Part #160040AY

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

Regina Vacuum Screw 21447041
#18

Handle diagram

Regina vacuum screw

Part #21447041

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

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Why does my vacuum cleaner shut off suddenly?

Main causes: damaged vacuum hose, clogged motor air filter, bad suction motor…

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Why doesn't my vacuum cleaner have good suction?

Main causes: weak suction motor, vacuum bag is full, clog in suction air path, dirty exhaust filter, leaky vacuum hose…

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Why doesn't my vacuum cleaner's brush roll spin?

Main causes: broken drive belt, damaged brush roll, tripped brush roll motor overload, bad brush roll motor, wiring fail…

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Why won't my vacuum cleaner turn on?

Main causes: lack of power, bad power cord, drive motor failure, wiring failure…

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