whats the name of this part

[91dsmeclipse]

1993 mitsubishi eclipse 1.8L non turbo (a friends car not mine)

one of the pulleys is loose i dont know the name of this pulley its the pulley right behind the alternator i need to know so i can get a price quote on it?

 

[Mike1992]

Is it the crank shaft harmonic dampener?

 

[91dsmeclipse]

its the pully on top like this 0 ?????
0 alternator
0 i believe this is the crankshaft?(dont know

 

[Lunch_Box]

If you could take a pic that would help out a lot.