922-8031 Rear Fan - A1186 Mac Pro 3GHz 8-Core NB-2272W Apple part number: 922-8031, Compatible models: A1186-2006-MA356LL/A, A1186-2006, A1186-2006, Compatible Mac info. : 2.66GHz Quad-Core Mac Pro , 3.0GHz Quad-Core Mac Pro , 3.0GHz 8-Core Mac Pro, 922-8031 Rear Fan - A1186 Mac Pro 3GHz 8-Core Apple part number: 922-8031