Part Number: 0Y1851 (Dell heatsink for optiplex gx620) Part Number: 0Y18747 (Bracket) Part Number: 0Y18807A (Pulley assy) Part Number: 0Y2039 (Dell) Part Number: 0Y30001 (Used) Part Number: 0Y30005 (Hitachi deskstar 7k160 hds721680) Part Number: 0Y30006 (Drive160gb) Part Number: 0Y30055 (Hitachi) Part Number: 0Y330 (No description) Part Number: 0Y332KE (No description) Part Number: 0Y3397 (36gb 10k u320 80pin disk drive) Part Number: 0Y391K (Component) Part Number: 0Y39GKE (No description) Part Number: 0Y3K3000BR (Component)