2004 Mack AMI-335, Truck Delivery, ECMs, Fits to: Mack CV713 Granite, (Used) 2003 Mack AMI-335, ECM- Mack 12MS526M Mack 25100000 2002-2004 Mack E7 Make: Bosch, Part Number: 12MS526M, 0 281 020 006, Engine information- Family Number: 3MKXH11.9V68, Displacement: 11.9L, Horsepower: 335, Serial Number: 3S1445, Engine: P-31679, 2 Rectangular Plugs with 43 Pins each, Reference images for condition. For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Serial# TBD, Casting# TBD, Truck Year 2004 1M2AG11C04M011962