(USED) AT AISIN, TRANSMISSION ASSEMBLY- Model: PF21F000, B-50 Serial # 7E-2323, P/N 8980063961, 345020-31080, Engine: ISUZU 4HK1-TC, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921