(Used) 2003 Mack AMI-335, ECM- Make: Bosch, Part Number: 12MS526M, 0 281 020 006, Family Number: 3MKXH11.9V68, Displacement: 11.9L, Horsepower: 335, Serial Number: 3S1445, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921