basta hindi pa nagsla-slide clutch mo hindi pa palitin ang pressure plate, clutch disc, release and pilot bearing. You dont need to replace these mentioned parts if your problem is only leakage. Leaking clutch hydraulics usually present hard shifting and not sliding clutch. Cheap replacement hydraulic clutch parts usually leak pretty easily. Is your original clutch slave not salvageable? if not place a good brand of clutch slave...