Fluid · CoolantCoolantfor 2013 Ram 2500 6.7L I6 Cummins Diesel · 4WDFluid TypeMopar OAT Coolant (Purple)Capacity18qtNotesUse pre-mixed or mix 50/50 with distilled waterOther fluid systems on this vehicleBrake FluidEngine Oil13 qtFront Differential1.5 qtPower Steering1 qtRear Differential2 qtTransfer Case2.5 qtAutomatic Transmission10 qtWasher Fluid3.5 qt📝 Suggest a correction to this fluid spec