To help you do some research to answer your questions, go onto OppposedForces and have a look at the various models and component part numbers to confirm cross model similarity.
http://opposedforces.com/parts/When you have done that, you can hop accross to FEBEST Australia and look at their cattalouge of B13 Liberty parts and find out what are the costs for some aftermarket parts, such a seals, boots and tie rod ends, etc.
http://febest.com.au/catalog/SUBARU-par ... _2003-2009We recently purcahse a full set of rack-ends and tie rod ends for Junior No.2's MY2009 Liberty Wagon for like $125 delivered.
Febest sell their stuff on ebay with free delivery and their ebay prices are generally better than their website.