Engines | Mounts, , 2003 MACK AI, Truck Engine, (GOOD USED) 2003 MACK AI DIESEL ENGINE FOR SALE, 400HP MAX, NON-EGR MODEL, DRIVERS SIDE ECM, STOCK #2985 WATCH TEST RUN VIDEO ON CA TRUCKS WEBSITE! ENGINE IS TEST RUN & INSPECTED INTERNALLY. WARRANTY! MANY ENGINES IN STOCK! CALL CA TRUCK PARTS FOR MORE INFORMATION (305)688-1101