Dell Studio 1535 1536 1537 Original CPU Cooling Fan Heatsink M139C CN-0M139C Dell Studio 1535 1536 1537 Original CPU Cooling Fan Heatsink M139C CN-0M139C Manufacturer: Dell Part Number: M139C MPN: M139C,0M139C,CN-0M139C Compatible Model: Dell Studio 1535,1536,1537