... import key components 2, improved circuit, more stable speed control Cummins Engine Speed Control Unit 3044196Description: EFC3044196 speed controller is composed by full ... electronic actuator and magnetic speed sensor, it will completely control CUMMINS engine.Refer to design, it is simple to install ... our website: www.facfdz.comHave a nice day. Thanks. Cummins Engine Speed Control Unit 3044196