2006 Allison 3500RDS, Truck Delivery, Transmission ECMs, Fits to: International 4300, (Used) 2005 Allison 3500RDS, TRANSMISION ECM- Model Number: WT3ECU911A, Serial Number: 1A330620, Part Number: 29541227, Transmission information- Model: 3500RDS, Serial Number: 6510551563, 3 Rectangular Plug 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# 1A330620, Casting# 1A330620, Truck Year 2006 1HTMMAAR46H157164