You don't need to take the driveshaft nut out. There's no screw holding the disc on to the hub is there? If not, give the disc a gentle tap with a hammer and it'll come off.
Crank seals in stock here buddy Link: http://www.id-workz.co.uk/index.php?main_page=product_info&cPath=3_1118_8_102&products_id=3325&zenid=4380988247194ca01493cc2169193460
Hi, we supply them individually buddy. Drop me a PM with your vehicle details (just need to know the year) and I'll get it sorted. Cheers Idrees ID-Workz Ltd
Have a look here if you're after a new one buddy: http://www.id-workz.co.uk/index.php?main_page=index&cPath=696_1097&sort=20a&page=3&zenid=f0946a0b2e6ba9bcb9d0bbd8d530fd19
We have brand new kits in stock mate Link: http://www.id-workz.co.uk/index.php?main_page=product_info&cPath=3_1118_8_102&products_id=4494&zenid=d1910708066f0e34cbfc05a3c01c4034