Caterpillar C10, Engine Assys, (GOOD USED) 2003 Caterpillar C10 Diesel Truck Engine For Sale, 335HP RATED, (70 PIN ECM PLUGS) Ar # 241-1436, Core AR # 221-7869, Perf Spec 0K-4979, Engine Model C-10, 10.3L, Serial # MBJ05190, Stock # 1631