... ,products passed ISO9001 Quality System Certification. Cummins Hand Control Valve 1.Model:3517N-010 2.Applicable models:EQ1108,EQ1141,EQ1208 ... holes 4.The hand control valve is used to control the towing vehicle and trailers spring actuators for the emergency or ... , Cummins Air-drying ASSY,Cummins feed pump,Cummins relay valve,Cummins radiator,Cummins air ompressor,Cummins connecting rod,Cummins platen ...