For booster ,master cyl.and other brake/clutch parts,if your systems are ATE-TEVES,try
http://www.conti-online.com/generator/www/com/en/ate/ate/general/home/index_en.html
and search the online catalog. Right0-click every part and choose "related vehicles"
Goog luck. This work also with other manufacturers that have TecDoc online pages...like Bosch,hella etc.Seved me plenty of time....