There are some reports popping up on the web I'm sure more will be revealed as the regular guest get a chance to go in -
"There's not just one Jaws tribute. From what I understand, there are many Jaws tributes. I've seen everything from — one of the window displays next to the ice cream parlor has an actual set of shark jaws in the back of it. I've heard that inside of Wiseacre's Wizarding Goods, at the exit of Gringotts, there are elements from the Jaws ride that are prevalent in the displays up there. I've heard from piping to ride track to wheels, I don't know yet. There are records in the window displays in London that kind of make reference to Quint."
"Some of the most memorable parts of Diagon Alley could be the less obvious ones. Take this telescope in Wiseacre's Wizarding Goods, for instance. It's actually made from pipes from Universal Orlando's old 'Jaws' ride, which Diagon Alley replaced. (PHOTO/John Handiboe, Staff)"