Brand New Alternator for Renault Laguna Expression 1600 *

I just bought this new alternator for my Renault Laguna Expression 1600 (2001 model) and had it fitted to the vehicle. Two days later the cam belt broke and the engine is now useless. I have the reciept for this and it cost me 168. I will accept an offer close to 100 Please contact me if you need any more information