brakes calliper

Good evening guys, I am new here (first post ) . I install front brake calipers from 4 pots from cayenne (wich are rear brakes of that Porsche) .I use a disc size 323 thickness 28mm same one from cupra r with original brembo 4 pot .I already did some km on my brakes but the car doesn't what to...

Hi I’m desperately trying get this part pictured off a Ibiza 2010 fr keep getting told different things and ordering wrong part any help much appreciated