Some items from this specific schematic: Element,oil Filte, O Ring,, Bolt,flange,6x22, O-ring,15x2.5.
With a quantity of four pieces, the Bolt,flange,6x22 is the most used part in the E-6 OIL FILTER-WATER PUMP COVER diagram.
The E-6 Oil Filter-water Pump Cover assembly is constructed from several parts from which the Cover,water Pump is the most expensive.