820-1889-A 661-4219 A1181 Logic Board 2.0 GHz with Heatsink for 13inch Macbook Core Duo NB-1820W This is a MacBook 13" 2.0GHZ Core Duo logic board replacement. This is a pull from a working unit and comes with our standard 1 year warranty. This will work in both the black and white MacBook 13" units. EEE code: TYU,VZ1,WXR,WXV,X0V,X0Y