Of all the components that make up this E-6 Transmission Cover - Water Pump - Oil Filter the Screw Cross 6x55 has the lowest price.
Some items from this specific schematic: Bolt,flange,6x22, Cap, Water Pump, Bolt,flange,10x12, Bolt,flange,6x18.
In this schematic the "Screw Cross 6x55" is used most often.