... their Component Parts, such as Armature, Brush Holder, Solenoid Switch, Rotor, Stator, Rectifier, Voltage Regulator, they can replace BOSCH, DELCO, FORD ... , HELLA or Transpo numbers. Cummins Starter 3908594, Used On Commins Diesel Engine 6BT5.9, 6B5.9, Heavy Duty