(USED) 2004 FREIGHTLINER M2 106-ECM FOR ALLISON 2000 TRANSMISSION.. P/N M56873 S/N BKDUTCM331046481 CIN: 10001QF003K MODEL: TCM001QF TRANSMISSION ECM. To find out more about this part, give us a call. We ship worldwide! Complete Recycling Group (CRG) 929 W PULASKI HWY ELKTON, MD 21921