QSL9 Cummins Exhaust Manifold 3922423 Parts Catalog Ref No. Part Name Part No. Required 1 Reducing Pipe Bushing S982 1 2 Plain Hose Coupling 3283227 1 3 Plain Hose 3897501 1 4 Hexagon Flange Nut 3902662 8 5 Hexagon Head Cap Screw 3912141 4 6 Plain Hose 3913752 1 7 Intake Manifold Cover Gasket 3914311 2 　 Water Transfer Connection …