Apple Computer, Mac Pro 1.1 'Quad Core' 2.0, 2.66, 3.0GHz, Apple Order Number, MC250LL/A, BTO/CTO, Model Number, A1186, Model Year, Mid 2006, Part Name, Fan, Front, with PCI Card Guide, Ver. 2, 8x, Manufacture Part Number, 815-8841, Compatible Apple Order Number, MA356LL/A, Compatible Model Number, A1186, EMC Number, EMC-2113, EEE Code, N/A, Compatible Apple Computer Family, Mac Pro (Mid 2006)
Order you product here: 922-7999 Fan, Front, with PCI Card Guide, Ver. 2, 8x A1186 MC250LL/A, BTO/CTO, 922-7999
source http://info.applepartsellers.com/922-7999-fan-front-with-pci-card-guide-ver-2-8x-a1186-mc250ll-a-bto-cto