661-5231 Logic Board 2.53 Ghz for MacBook Pro 13 inch Mid 2009 A1278 MD990LL/A, MD991LL/A (820-2530-A) Published July 19, 2017 at 350 × 350 in 661-5231 Logic Board 2.53 GHz for MacBook Pro 13 inch Mid 2009 A1278 MD990LL/A, MD991LL/A (820-2530-A)