View 3 Photos View 0 Videos 2013 Cummins Adaptor Connector for ISB / QSB 6.7 for CM850, CM2850 Contact for price (GOOD USED) OEM 2013 Cummins QSB6.7, ISB6.7 Diesel Engine Adaptor Connector, for sale!!!!, P/N: 3999630, Stock #: IN1145 For more information about this listing, shipping, technical... ConditionUsedFits To Model(s)CM850, CM2850Part Number3999630Stock NumberIN1145 MLS Number10296625CategoryBody Misc. Parts Last Updated7/23/2020 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info