Best Choice:If the fan in your laptop is broken or defective and not working properly, this replace a defective CPU fan for MacBook Pro Retina 13'' A1708 A2159 series to fix overheating issues or keep your laptop running quietly. Compatible Model:Compatible with MacBook Pro 13" Retina A1708 Function Keys Late 2016 to Mid 2017: MLL42LL/A,MPXQ2LL/A,MPXR2LL/A,MPXT2LL/A or MPXU2LL/A. Compatible Model:Compatible with MacBook Pro 13" Retina A2159 Two Thunderbolt Ports 2019: MUHN2LL/A,MUHP2LL/A,MUHQ2LL/A,MUHR2LL/A or BTO. Tips:Before purchasing, please carefully review the product description and pictures and check your computer year and part number to make sure you are ordering the correct one. High Quality:Each laptop CPU cooling fan is tested before shipping.