The Rear Master Cylinder is made up of components including this Cylinder Assy, Rear Master which is the most expensive.
Some items from this specific schematic: Hose,rr Brake, Washer(8.5x13x1.6), Pin(8x20), Clip.
This Rear Master Cylinder diagram displays the required parts for the Dr800s 1996 (t) (e04 E18 E22 E34 E37) Rear Master Cylinder.