View 4 Photos View 0 Videos 2011 Cummins ISB / QSB 6.7 Engine Control Module (ECM) for CM850, CM2850 $750 USD (GOOD USED) OEM 2011 Cummins QSB6.7 Diesel Engine Computer Module, ECM, ECU, for sale!!!!, P/N: 4921797, 4921776, 4921776RX, 4921776NX, CM850, CM2850, Stock #: E1966 For... ConditionUsedFits To Model(s)CM850, CM2850Part Number4921797Stock NumberE1966 MLS Number10259159CategoryEngine Control Modules (ECM) Last Updated7/8/2020 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info