6BT 6BTAA 6B 6BT5.9 B5.9 6B5.9 hexagon flange nut 3818824
6bt 6btaa 6b 6bt5.9 B5.9 6b5.9 Original Engine Turbocharger Mounting Stud Nut Bolt Screw Hexagon Flange Nut 3818824 -Buy Them on Cummins parts wholesale.ca