This set of metric O-rings & seals will rebuild your Microcimbali. This is a full, universal kit, which will fit all Microcimbali machines. The kit contains: medium O-ring for top housing, large O-ring for bottom inner seal, 2 piston O-rings, piston rod cup seal, rod seal spacer, 2 small O-rings for the Steam Wand Valve, and 2 for the Water Valve, inner (orange/red) sight glass & outer (black) sight glass seals, kettle o-ring, Portafilter gasket, and a viton rubber one way valve disc for the group dispersion screen.
Don't forget the Dow 111 Lube for assembly!