Parts such as the Transmission: Collar 810176860000, Brg,cyl-cal Roller 12g Ky, Collar, Circlip(1ar) are included in the El433b 1973 Transmission parts fiche.
This schematic depicts all components used in the El433b 1973 Transmission partslist.
The most expensive part in this assembly is the Axle, Counter.