(Used) 2006 ZF (AT), TRANSMISSION ASSEMBLY- Model: 12AS2301, Serial Number: 1327 401 026, Part Number: 1327 301 026, Engine: Caterpillar C13, 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