Join Date: Sep 2006
Location: southern New Jersey
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[quote=GSBrockman;8413117]Why is the OEM OAT coolant marketed as 10 yr / 150,000 miles then? Additionally.....Peak offers coolant in OAT called Final Charge, if one needs some on a day when the dealership is closed or is far away. This coolant was discovered early on by a few guys over on cumminsforum.com in RAM Cummins applications.quote]
What does your owner's manual say? That is what you should go by. My 2009 SRT uses HOAT antifreeze and must be changed every 5 years or 150,000 miles, whichever comes first.
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