The Crankshaft & Piston assembly is constructed from several parts from which the Crankshaft Assy is the most expensive.
The Circlip is the lowest priced item on this Crankshaft & Piston schematic.
A sample from the products for the Crankshaft & Piston include: Pin Piston, Piston Ring Set (std), Crankshaft Assy, Piston Ring Set (0.25mm O/s).