Cummins Fuel Electromagnet 1,Especially designed for Cummins engine and ... stroke, it would automatic adjust the solenoid, it would help the solenoid pull in the end.2, Technology ... regulator, generator synchronizer, genset controller, power factor regulator, fuel solenoid, charger for engine start battery, actuator, speed controller, ... by ISO9001:2008 standard. 12V Cummins Fuel Electromagnet FS-24C