0 Allison AT545, , Transmission Assys, Fits to: , (Used) Allison, TRANSMISSION ASSEMBLY- Model: AT 545NRM, Serial Number: 9108180607, Part Number: 29537831, 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# 9108180607, Casting# 9108180607, Part# 29537831