Dyson On/Off Switch Part No: 910971-01. 

Also known as: 901181-01, 901181-05, 900044-02, 900044-01. 

This switch is for most Dyson Vacuum Cleaners.

Suitable for:
DC02, DC03, DC04, DC05, DC07, DC08, DC08 Telescope, 

DC11, DC14, DC18, DC19, DC19 T2, DC20 , DC21, DC22, DC23, DC23 T2, 

DC24, DC25, DC28C, ,DC32, DC33C, DC37C, DC39C, DC41C, DC29, DC32, DC39, DC52, DC54