6BT5.9 Cummins Water Inlet Connection 5260171 Parts Catalog Ref No. Part Name Part No. Required 1 Hexagon Flange Head Cap Screw 3089232 2 Threaded Plug 3089567 1 2 Threaded Plug 3089568 1 3 O-Ring Seal 3679139 1 4 Rectangular Ring Seal 3906697 1 5 Pipe Plug 3008469 1 Water Inlet Connection 5260171 1 6 Water Inlet Connection 5260170 1 …