Fuel tank floater or sending unit

Ok, I recently am having a fuel pump problem, which I'm going to replace shortly. But then I also want to replace my fuel tank floater (or sending unit), since it looks like that went out as well at the same time. And I can't seem to find that actual part. I've tried looking all over the net and at numerous part stores, and I can't seem to find a new fuel sender unit, and no one at the parts store knows how the camaros get the fuel gauge info. 
 
So, is the fuel sending unit actually buitl into the fuel pump?

OH by the way...
 
I have a 94 Z28 5.7L