Genuine Lenovo ThinkPad E580 Heatsink & Cooling Fan Assembly (01LW125)

Brand-new, genuine replacement heatsink with cooling fan for Lenovo ThinkPad E580 series (compatible with 20KS–20KT models). OEM part number 01LW125—intended as a direct swap for failed or underperforming thermal modules. Sold as the complete heatsink and fan assembly.