Cummins ISL, Engine Misc Parts, (GOOD USED) Cummins ISC 8.3L Diesel Engine Alternator Support w/ Pulley & Belt Tensioner 3970650 For Sale, Part # 3970650, Belt Tensioner Part # 4994314, CUMMINS ISC ISL 2004 2005 2006, Pulled Off 2006 Cummins ISC 8.3L CM850, Stock # 8305 | Tested & Inspected!
