Laser Pick up for Mark Levinson No.39

Laser Pick up for Mark Levinson No.39

My ML 39 began to have many problems to read some CDs.
As my 39 was made in 1999 it´s time to replace the pick up laser.
It uses a Philips VAU1252/10. Please let me know where I can buy it. I don´t need all the drive, only the laser pick up.
As I live in Argentina I can´t send the unit. Unfortunally ML didn´t give me the information and don´t sell me the repair part.
Thanks.
elduende14