Cooler Engine Oil: Description
WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
An engine oil cooler is used on the 5.7L engine, equipped with the police package. The cooler is a coolant-to-oil type and mounted between the oil filter and oil filter adapter.