0 Allison AT542, , Transmission Assys, Fits to: , (Used) Allison (AT) (Reman), TRANSMISSION ASSEMBLY- Model: AT542, Serial Number: TMG031773-1, Part Number: 29514624, 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# TMG031773-1, Casting# TMG031773-1, Part# 29514624