Geunine Saab Black Direct Ignition Cassette/Cartridge (55562588) which will fit:

Saab 9-3 - 2000 - 2003 (with BLACK Direct Igntion Casstte/Cartridge)
Saab 9-5 - 1998 onwards

Please Note: Please check what Cassette you have in your Saab 9-3 as this unit is not interchangeable with Red Direct Ignition Cassettes/Cartridges.