(Used) 2003 Mack AI-350, ENGINE ASSEMBLY- Family Number: 3MKXH11.9V68, Displacement: 11.9L, Horsepower: 350, ESN: 3V1317, Housing is broken, see photos For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921