The Crank - Piston assembly is constructed from several parts from which the Crank 2(r.h) is the most expensive.
Parts such as the Crank - Piston: Oil Seal (32x78x10-806), Bearing(8v0), Pin, Piston, Bearing(8v0) are included in the Sl433 1972 Crank - Piston parts fiche.