1 0 1979 Mack R685ST Radiator $495 USD TESTED RADIATOR 686 MACK 90 DAY WARRANTY, Engine Make: Cummins, Engine Model: V903 ConditionUsedEngine ModelCummins V903Fits To Make(s)MackFits To Model(s)R685STWill Fit Year(s)1979Stock Number33121-5 MLS Number10736570CategoryRadiators Last Updated5/11/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info