Need some help locating part

[Scrubcadet10]

GP3300 (0064310) - Generac Portable Generator (SN: 8318715B - 8597903B)​

need the voltage regulator, tested bad according to service manual procedure, but i'm not finding a part number in the IPL.

 

[Rivets]

Does it look like one of these? https://www.google.com/search?q=gen...MAiAYBkAYIkgcDNy43oAeWRA&sclient=gws-wiz-serp

 

[Scrubcadet10]

You're awesome rivets, one of the first ones that popped up on your link was it. The square one is it exactly.
All the ones I could come up with were rounded on shape.