Mercedes (77-99) Diesel Return Hose 1 Meter (Cloth Covered) OEM Contitech Diesel Return Hose 3.2 X 7.0 mm (Cloth Covered) (1 Meter) Price is for ONE meter, if you need longer, order in Quatity. Mercedes part# 605 078 05 81, check fit below. Recently made by CONTITECH (OEM), not been lying around. Please see FITMENT CHART below, under PRODUCT DESCRIPTION.