... Valve 1.Model:Red Iron Horse 2.Applicable models:Cummins Engine Series trucks 3.Relay Valve for long pipeline at the end ... products:Cummins piston,Cummins piston ring,Cummins flywheel, Cummins Air-drying ASSY,Cummins feed pump,Cummins relay valve,Cummins radiator,Cummins air ompressor,Cummins connecting rod,Cummins platen assy,Cummins clutch ...