6BT5.9 Cummins Turbocharger Oil Drain Tube 3903744 Parts Catalog Ref No. Part Name Part No. Required 1 Hose Clamp 43828A 2 2 Hexagon Flange Head Cap Screw 3900630 2 3 Turbocharger Oil Drain Tube 3903744 1 4 Plain Hose 3903745 1 5 Oil Drain Gasket 3931350 1 6 Turbocharger Oil Drain Connection 3903741 1 　 Female Connector 3919687 2 7 …