part 9.850-634.0 Engine flange Hawk code 9.850-634.0 Details Hawk number9.850-634.0 DescriptionEngine flange ItalianFLANGIA MOTOREQty per pump1 Fits these pumps Hawk NHDP-G 4 NHDP1120GLNHDP1120GRNHDP9520GLNHDP9520GR