A shaft seal suitable for SACHS STAMO is sold here Old stock with slight rust Sealing rubber not porous If you are not sure whether this shaft seal fits your machine, just write an email. If you have problems identifying your machine, I will be happy to help you. I'll check it and let you know afterwards. Original article number is S0028300020000 2830002000 2830,002,000 Dimensions 15 x 35 x 10 mm outside metal Further SACHS spare parts on request.