ISM11 Cummins Rocker Lever 4003911 Parts Catalog Ref No. Part Name Part No. Required 　 Rocker Lever 4003914 3 1 Rocker Lever 4003910 1 2 Regular Hexagon Jam Nut 3066257 1 3 Slotted Set Screw 3066644 1 4 Ball Plug 3067941 1 5 Bushing 3019733 1 　 Lever , Rocker Top Level Assembly 3080818 　 2 Regular Hexagon Jam Nut …