2003 Cummins C8.3; ISC, Engine Assys, (NEW CUMMINS RECON) 2003 Cummins ISC 8.3L Diesel Engine, 280HP @ 2200RPM, 330HP MAX, CPL# 2236, ISC CM554, C8.3-330E ENCORE, RECON in 2019 by CUMMINS, Engine Family# 3CEXH0505CAM, Fits 1998 1999 2000 2001 2002 2003, DR6401-RX, Engine Serial# 60344736,