View 0 Photos View 0 Videos 1999 Cummins ISM ECM / ECU $800 USD (USED) 1999 Cummins ISM Diesel Engine Control Module, ECM, ECU, for sale!!!!, P/N: 3681404, 3681405, CM570, CPL2607, Stock #: E1697 For more information about this listing,... ConditionUsedCPL/ARR2607Horse Power280 HPPart Number3681404 3681405Stock NumberE1697 MLS Number9896235CategoryEngine Control Modules (ECM) Last Updated9/11/2019 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info