look what I just found on the bay!
http://www.ebay.co.uk/itm/NISSAN-PULSAR-GTI-R-RNN14-POWER-STEERING-PUMP-SEAL-REPAIR-KIT-49591-50L26-SUNNY-/201586646747?epid=1016287951&hash=item2eef801edb:g:MGYAAOSwCOxXOVK4
might be useful to someone...
http://www.ebay.co.uk/itm/NISSAN-PULSAR-GTI-R-RNN14-POWER-STEERING-PUMP-SEAL-REPAIR-KIT-49591-50L26-SUNNY-/201586646747?epid=1016287951&hash=item2eef801edb:g:MGYAAOSwCOxXOVK4
might be useful to someone...