Seagate FreeAgent Pro - 500GB, 7200 RPM, USB 2.0, eSATA, External 500 GB Hard Drive "100453518" Questions

NEED A PART USB eSATA P/N: 100453518 FOR A SEAGATE 500GB FREEAGENT PRO THE P/N:9NL6A6-500 AND S/N 9QG5XZTA. WHERE CAN I GET THE PART. How much and how do we arrange this? I can sell mine

Where can I find Windows 7 driver for FreeAgent Pro Classic PN:100453518 The driver files are no where to be found on the Seagate site click start control panel administration tools computer ...