(Used) 2007 Workhorse Allison TRANSMISSION ECM - Part Number: 29544772, Serial Number: BK4772N06237H55V, CIN: 45004U00018, A40004U0, W0010318, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921