| 1997-2004 Porsche Boxster Front License Plate Retainer - Genuine 999 507 040 40 Porsche Boxster Front License Plate Retainer. Brand: Genuine. Fits Years: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 97, 98, 99, 00, 01, 02, 03, 04. Expanding Nut (in Bumper Cover) for License Plate Bracket - 999 507 040 40 ... more 1997-2004 Porsche Boxster Front License Plate Retainer - Genuine 999 507 040 40 Porsche Boxster Front License Plate Retainer. Brand: Genuine. Fits Years: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 97, 98, 99, 00, 01, 02, 03, 04. Expanding Nut (in Bumper Cover) for License Plate Bracket - 999 507 040 40 Partsgeek.com | | $4.73 go to store |