Coolant Type MOPAR® Antifreeze/Engine Coolant 10Year/150,000 Mile OAT (Organic Additive Technology) formula or equivalent meeting the requirements of Chrysler Material Standard MS Save Share We recommend using MOPAR® Antifreeze/Coolant 10 Year/150,000 Mile Formula OAT (Organic Additive Technology) that meets the requirements of Chrysler Material Standard MS • Mix a minimum solution of 50% OAT engine coolant that meets the requirements of Chrysler Material Stan dard MS and distilled water koller1509 We had the radiator replaced on our 16 Cummins at 1,000 miles under warranty Have about 30,000 on it now It's my understanding the OAT MS Mopar antifreeze is supposed to be purple in color Attached a pic of the antifreeze inside the reservoir It looks more reddish with a slightly purple tint vs straight purple in color
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