The most reasonably priced component used on the Pk50 Wallaroo 1994 (r) Norway Carburetor is the Screw-wash.,4x12.
A sample from the products for the Carburetor include: Carburetor Assy.(, Valve Comp.,float, Valve Set,throttl, Cap,cable Sealing.
On this parts fiche the Cap,cable Sealing is the most specified component.