Engines | Mounts, , 2009 CUMMINS QSB, Engine ECM, (GOOD USED) 2009 CUMMINS QSB 6.7L DIESEL ENGINE ECM PART # 4921776 FOR SALE, ELECTRONIC CONTROL MODULE, ECM, ECU, CM850 (CM2850), CPL426, ECM CODE Z90900.00, P/N 4921776, ENGINE SERIAL # 73017118, ECM SERIAL # 34146942, STOCK # 1750 | ALL OUR ECMS ARE TESTED AND SHIP PRIORITY MAIL! COMES WITH WARRANTY! CONTACT US FOR MORE INFORMATION! OVERNIGHT SHIPPING OPTIONS ARE AVAILABLE! WE ALSO OFFER PROGRAMMING FOR PLUG & PLAY!