Dyson
Upright Vacuum

Model #DC40 Official Dyson vacuum

Here are the diagrams and repair parts for Dyson DC40 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”.

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

Owner’s manual

Showing 10 of 105 parts

Cam#5

Motor assy Diagram

Cam

Part #922568-01

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

Brush#4

Main asy Diagram

Brush

Part #920599-01

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

Reset Switch#5

Main asy Diagram

Reset switch

Part #921376-01

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

Vacuum Wheel#43

Motor assy Diagram

Vacuum wheel

Part #924162-01

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

Spring#32

Motor assy Diagram

Spring

Part #965155-017

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

Brush#13

Accessories Diagram

Brush

Part #917646-01

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

Package Instructions#1

Model data Diagram

Package instructions

Part #923498-01

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

Cyclone,si#1E

Cyclone Diagram

Cyclone,si

Part #924966-10

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

Cyclone#1

Cyclone Diagram

Cyclone

Part #924966-01

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

Vacuum Wheel#8

Brush assy Diagram

Vacuum wheel

Part #909747-02

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

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