View 0 Photos View 0 Videos 1989 Allison MT643 Transmission for a Capacity TJ Recently Updated $1,375 USD (USED) Allison MT643 Assembly#: 23040045 Input Lgth: Automatic Input Dia: AUTOMATIC Pilot Dia: AUTOMATIC Ref# 23040045 ConditionUsedAssembly Number23040045Fits To Make(s)CapacityFits To Model(s)TJPart Number23040045Stock Number26005570 MLS Number14458732CategoryTransmissions Last Updated7/23/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info