8 0 Allison Mt 643 Transmission Core for a 1997 Ford CF8000 Newly Listed Contact for price Good Allison MT643 Transmission core. The Transmission core has been visually inspected and is in good condition. The Transmission core has corrosion, please refer to photos provided. The... ConditionUsedEngine ModelCummins B5.9Fits To Make(s)FordFits To Model(s)CF8000Will Fit Year(s)1997Part Number240693-5Stock Number240693-5 MLS Number14027956CategoryTransmission Cores Last Updated12/11/2025 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info