here is some part numbers from vag cat for you
6K3959802E
window regulator motor / to be used for: / F >> 6K-1-014 000*
left 2 doors 12 pin 6K3 837 402 B / PR-4R4
(17) 6K3959802G
window regulator motor / to be used for:
right 12 pin 6K3 837 402 G / PR-4R4
(17) 6K3959802H
window regulator motor / to be used for: / F 6K-1-007 000>>*
right 2 pin 6K3 837 402 H /
(17) 6K4959801F
window regulator motor / to be used for:
right 2 pin 6K4 837 402 S 6K4 837 402 AA /
(17) 6K4959802F
window regulator motor / to be used for:
left 2 pin 6K4 837 401 S 6K4 837 401 AA /
(17) 6K4959801E
window regulator motor / to be used for:
left 4 doors 12 pin 6K4 837 401 J / PR-4R4
(17) 6K4959802E
also have a look in the for sale section and on ebay