The Cw50rs 1996 4vb1 All Countries 264vb-361e1 Oil Pump consists of fourteen pieces with the Oil Pump Assy being the most expensive.
Some items from this specific schematic: O-ring, Oil Pump Assy, Bolt, Breather, Clip (214-13164-00).
The lowest price component in this Oil Pump parts-list fiche is the Gasket, Breather Bolt (nas).
