calipers, discs and pads from Mk6 Golf GTI - fit a B6?

[munchkincoupe]

Will the front calipers, discs and pads from a Mk6 Golf 2.0 GTI be a direct fit to my A4 B6 Avant 1.9tdi Quattro please?

Or is it only the calipers from a 2.5 or 3.0 B6 that can be used for a direct upgrade?

Thanks