5 0 2011 Cummins QSB 4.5 Engine Control Module (ECM) for CM850 / CM2850 $1,000 USD (NEW) OEM 2011 Cummins QSB4.5 Computer Module, ECM, ECU, for sale!!!!, P/N: 4921797, 4921776, CM850 / CM2850, Stock #: E1958 For more information about this listing, shipping,... ConditionNewWill Fit Year(s)CM850 / CM2850Part Number4921797Stock NumberE1958 MLS Number10245229CategoryEngine Control Modules (ECM) Last Updated6/26/2020 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info