All the previous guesses are wrong and have been deleted. Damn post whores.
That plastic piece with the 2 hoses goes to the power steering pump or connects to another hose off the back of the intake manifold. I forget which, but I've seen that plastic piece with the 2 hoses attached.
The thing with the small pulley is the power steering pump.
On a 2nd thought, I remember that piece going into the power steering pump. And the 2 hoses connecting to the back of the intake manifold.
Looks like that plastic piece broke or is not screwed into the power steering pump.