NTA855 Cummins Water Inlet Connection 3924941 Parts Catalog Ref No. Part Name Part No. Required 　 Water Inlet Connection WI9041-04 　 1 Plain Hose Coupling 215921 1 2 Pipe Plug 4931643 2 3 Hexagon Flange Head Cap Screw 3902460 3 4 Rectangular Ring Seal 4983908 1 5 Water Inlet Connection 3924941 1 6 Plain Street Pipe Elbow 3924944 1 Above …