2005 Allison 1000HS, Truck Delivery, Transmission ECMs, Fits to: Chevrolet C4500, (Used) 2005 Allison (AT), TRANSMISSION TCM- ECM Model: 466, Part Number: 29537441, Serial Number: BKDUTCM450105, Transmission information- Model: 1000HS, Serial Number: 6310484718, Part Number: E009601, 2 Rectangular Plugs with 32 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# BKDUTCM450105PKU, Casting# BKDUTCM450105PKU, Truck Year 2005 1GBC4C1E25F522182