The Washer, Spring is the lowest priced item on this Rear Master Cylinder schematic.
With three applications this Washer, Plate(481) is the most specified part.
Parts such as the Rear Master Cylinder: Cylinder Kit, Master, Joint, Joint, Spring, Tension (2x4) are included in the Tdm850 1995 4cm5 Sweden 253vd-300e2 Rear Master Cylinder parts fiche.