4 0 Cummins ISC / ISL Engine Control Module (ECM) for CM850 $750 USD (GOOD USED/ TESTED) Cummins ISC/ISL Diesel Engine Control Module, ECM, ECU, Part #: 4921776; Service Model Name: CM850; Stock #: E3577 For more information about this listing, shipping,... ConditionUsedFits To Make(s)CM850Part Number4921776Stock NumberE3577 MLS Number12466423CategoryEngine Control Modules (ECM) Last Updated11/27/2023 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info