0 Allison AT545, , Transmission Assys, Fits to: , (Used) Allison (AT) TRANSMISSION ASSEMBLY- Model: AT545, Serial Number: 3210623606, Part Number: 15688693, Oil pan is damaged, 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# 3210623606, Casting# 3210623606, Part# 15688693