QSK50 Cummins Hump Hose 4969456 Parts Catalog Ref No. Part Name Part No. Required 　 Aftercooler TB6835-07 　 1 Hexagon Head Cap Screw S 103 D 24 2 Hexagon Head Cap Screw S 112 48 3 Hexagon Head Cap Screw S 116 16 4 Hexagon Head Cap Screw S 119 16 5 Hexagon Head Cap Screw S 120 156 6 …