5 0 2004 Cummins ISX Air Control Valve for Holset Turbo $250 USD (USED) 2004 Cummins ISX Diesel Engine Air Control Valve for Holset Turbo, for sale!!!!, P/N: 4037440, CM870, Stock #: T1054 For more information about this listing, shipping, technical... ConditionUsedHorse Power450 HPEngine ModelISXPart Number4037440Stock NumberT1054 MLS Number9925233CategoryValves Last Updated7/14/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info