Averatec 3150 CPU Cooling Fan + HeatSink 40-003510-01   ORIGINAL GENUINE PART   TESTED =100% FUNCTIONAL     Comes with 14 days warranty if not as described--  please look carefully at the picture and be sure this is the part you need.    If for some reason you are not satisfied with received item, e-mail us through eBay message system. Don't leave negative feedback, money back guaranteed! We value your time and business.