0 Allison B500, , Transmission Assys, Fits to: , (Used) Allison (AT) (Reman), TRANSMISSION ASSEMBLY- Model: B500, Serial Number: 66025, Tag Number: 332400, Part Number: E004813, 29533225, 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# 66025, Casting# 66025, Part# E004813