Shark 153-3M-8 153-3GT-8 Belt. Fits Shark Models AZ1000, AZ1002, AZ1000W, AZ1002BRN, AZ1002C, AX950, AX951, AX952, ZU782, ZS362, ZS360, ZS360C, ZS361C, ZU780, ZU785 (1)

Paid 75$ for a new head. Bought these and fixed the old one also. Have to remove a gear to install the belt I replaced, they do not stretch over, overall still easy to install.

Exact replacement for the Shark Duo

I order 3 an only got one.