Hoover
Canister Vacuum

Model # S3551--- Official Hoover canister vacuum

Here are the diagrams and repair parts for Official Hoover S3551- canister 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 110 parts  |

Extension Tube 43453095
#10

Cleaningtools diagram

Extension tube

Part #43453095

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

Hose Rel Lat 36153038
Hose rel lat

Part #36153038

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

Vacuum Beater Bar Housing End Cap, Right 36423016
#29

Powerednozzle, agitator diagram

Vacuum beater bar housing end cap, right

Part #36423016

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

Fan Cover 37196065
#3

Motor assembly diagram

Fan cover

Part #37196065

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

Vacuum On/off Switch Pedal (gloss Black) 38422184
#49A

Cordreel, mainhousing diagram

Vacuum on/off switch pedal (gloss black)

Part #38422184

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

Seal-12 Pk 34122014
#15

Powerednozzle, agitator diagram

Seal-12 pk

Part #34122014

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

Armature 44765230
#7

Motor assembly diagram

Armature

Part #44765230

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

Vacuum Conical Washer 21347003
#31

Powerednozzle, agitator diagram

Vacuum conical washer

Part #21347003

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

Lid Hinge Bag 36151027
#38

Cordreel, mainhousing diagram

Lid hinge bag

Part #36151027

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

Vacuum Screw 21447217
#4

Cordreel, mainhousing diagram

Vacuum screw

Part #21447217

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…

Repair guides for canister vacuums

How to replace a vacuum power head ribbed drive belt

How to replace a vacuum power head ribbed drive belt

Some canister vacuums have a ribbed drive belt that spins the brush roll on a power brush attachment. If the brush roll …

Repair difficulty
Time required
 30 minutes or less
How to replace a vacuum suction motor

How to replace a vacuum suction motor

The suction motor on a vacuum creates the draw of air at the cleaning head that picks up dirt. If the vacuum won't run, …

Repair difficulty
Time required
 15 minutes or less
How to replace a vacuum beater bar

How to replace a vacuum beater bar

Replace the brush roll if the bristles ares worn or the cylinder is damaged.…

Repair difficulty
Time required
 30 minutes or less

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.

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…

10 must-have tools for appliance repair

10 must-have tools for appliance repair

Come see which tools made our top 10 must-haves for DIY appliance repair.…

Vacuum common questions

Vacuum common questions

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