A sample from the products for the 035 Oil Cooler include: O Ring 8x1, Pipe, Screw Tcei M6x35, Copper Gasket 11.9x8.2x2.
The lowest price component in this 035 Oil Cooler parts-list fiche is the Gasket, Aluminium 14x22x2.
Of all the components used in this assembly the Oil Cooler is the most expensive.