Hoover
Upright Vacuum

Model # U3721930 Official Hoover vacuum

Here are the diagrams and repair parts for Official Hoover U3721930 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:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 186 parts  |

Handle Insulator Support 36913016
#28

Power max diagram

Handle insulator support

Part #36913016

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

Label 51869001
#13

Handle diagram

Label

Part #51869001

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

Frt Hsg Asy 42253046
#11

Power max diagram

Frt hsg asy

Part #42253046

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

Cord Wrap 39442040
#57

Power max diagram

Cord wrap

Part #39442040

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

Tape 54821001
#13

Motor diagram

Tape

Part #54821001

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

Housing Cover 37951006
#19

Power max diagram

Housing cover

Part #37951006

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

Kenmore Pulley 38537001
#16

Agitator housing diagram

Kenmore pulley

Part #38537001

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

Washer 21312705

#NI

All parts diagram

Washer

Part #21312705

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

Motor Mount 32162003
#2

Motor diagram

Motor mount

Part #32162003

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

Most common symptoms to help you fix your 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: weak suction motor, vacuum bag is full, clog in suction air path, dirty exhaust filter, leaky vacuum hose…

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

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

Effective articles & videos to help repair your vacuum cleaners

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

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

Vacuum common questions

Vacuum common questions

Find the answers to frequently asked questions about vacuum cleaners.…