922-7999 Front Fan with pci Card Guide, ver. 2 - Mac Pro 3GHz 8-Core A1186 NB-2277W
This is a replacement fan with PCI Card Guide for the Mac Pro.
Apple part number: 922-7999
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
922-7999 Front Fan with pci Card Guide, ver. 2 - Mac Pro 3GHz 8-Core A1186