2012 Allison 3500RDSP, Truck Delivery, Automatic Shifter Assys, Fits to: International DuraStar 4300, (Used) 2012 International DuraStart 4300, AUTOMATIC SHIFTER ASSEMBLY- Make: Allison, Type: Automatic, Trans: 2011 Allison 3500RDSP, 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# 6511013273, Truck Year 2012, VIN 1HTMMAAN3CH583548 1HTMMAAN3CH583548