(Used) 2006 Mercedes OM 904 LA, ENGINE ECM- Part Number: 001 446 65 40 ZGS 001. Serial Number: 900 910-00-589634, Temic Number: 00004651A7, Unit Code: 1005 0970 0961 0989 01970 01120 00039 00001, ESN: 0904498641, Family Number: 5MBXH4.25DJA, Horsepower: 170, Displacement: 259, E.C.S.: TC, ECM, CAC, EGR, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921