From the 2007catalog(go to pistons, 919-920 #24, #23 is for ME info):
Dead link, look at end of post for new link.
http://www.msi-motor-service.com/ks/en/kataloge/kataloge_en.aspThis is for the 1.6TD piston set
76.51=#90 732 600
77.01=#90 732 610
77.51=#90 732 620
Also for engine codes:
1G
1V
ACL
CY
DV
JR
JX
RA
SB
Hope this cuts down your searching time
Each vendor charges a diff. amount. You cvould get them here on the forum a while back for about 300.
And that is still a great price!
You may want to bump that up on the vendors section. I have seen a few posts with people asking for pistons and prices.
Jim