Right if you are on about the part with the lettering on, it is called a console, and as far as I can glean from etka, it is basically an adapter between the Gear box and the transmission mount.
Retails about £35 ish, plus a few bolts. Best thing to do as there are several models, is to call your VW dealer or TPS and give them your vin, give them the diagram number of 199-30 item 19. (part number is 1K0 199 111 or 117 then 2 letters dependent on model)
The bolts are one shot only use too.
HTH.
The above is based on a 2006 Golf TDi, should give you a good starting point.