The Pin,dowel,8x10 is the cheapest item from this partsfiche.
The twenty-eight Kz550a1 1980 Usa Canada Oil Pump/oil Filter ('82-'83 A3/ component parts are all listed in this schematic.
A sample from the products for the Oil Pump/oil Filter ('82-'83 A3/ include: Gasket,oil Pump Cover (nas), Circlip-type-c,11mm, O Ring,16mm, Screw-pan Head,6x22.