QSB3.9Cummins Turbocharger Kit 4956073 Parts Catalog Ref No. Part Name Part No. Required Turbocharger Kit 4956073 1 Turbocharger 4047749 1 1 Turbine Housing 4049827 1 2 Drive Screw 3519163 2 3 Name Plate 3527619 1 4 Retaining Ring 3528221 1 5 Hose Clamp 3535215 2 6 Pin Dowel 3538926 2 7 Lock Nut 3538930 1 8 Carriage Bolt 3538931 1 …