Apple Computer, iMac 21.5-inch 1.4 GHz Core i5 (i5-4260U), Compatible Order Number, MF883LL/A, Compatible Model Number, A1418, Model Year, Mid 2014, Part Name, Logic Board 1.4 GHz (8GB) - HDD, Manufacture Part Number, N/A, EMC Number, EMC 2805, EEE Code, G36D, G36G, Compatible Apple Computer, iMac (21.5-inch, Mid 2014)
Order you product here: 661-00147 Logic Board 1.4 GHz (8GB) - HDD for iMac 21.5-inch Mid 2014 A1418 MF883LL, 661-00147
source http://info.applepartsellers.com/661-00147-logic-board-1-4ghz-8gb-for-imac-21-5-inch-mid-2014-a1418-mf883ll-a-820-4668