6BT5.9 Cummins Gear Housing 5311267 Parts Catalog Ref No. Part Name Part No. Required 1 Hexagon Flange Head Cap Screw 3918153 3 2 Hexagon Flange Head Cap Screw 3901445 4 3 Hexagon Flange Head Cap Screw 3903112 2 4 Hexagon Flange Head Cap Screw 3910495 1 Gear Housing 5311267 1 5 Ring Dowel 3954616 2 6 Gear Housing 5311313 …