MK3 4 5 front seats into MK1 Cabby

Hi,

Can anyone tell me if I can fit front MK3,4 or 5 seats into my MK1 Cabby…?

Im sure a read you can if you swap the runners…?

Anyone any ideas as a frieand has just put a Leather trim in his MK5 GTTDI and i can have it all for free….

Cheers

Andy