2007 Mack AI300, Truck Delivery, Engine Assys, Fits to: Mack CV713 Granite, (Used) 2003 Mack AI-300, ENGINE ASSEMBLY- Family Number: 3MKXH11.9V65, Displacement: 11.9L, Horsepower: 300, Serial Number: 2V0303, Part Number: 15672YP1, E.C.S.: SPL, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Horse Power 335, Serial# 2V0303, Casting# 2V0303 1M2AG11C97M056371