康明斯涡轮增压器HX40W 2839421 2839422 2839423 2881754 Part Number2839421Previous Part Number2839422 2839423OE Number2881754Year2009-DescriptionTruckTurbo ModelHX40WCHRAN/AEngineQSLEngine ManufacturerCumminsSERVICE KIT4032051