Where is the breather element filter located on a 1999 dodge Dakota V8 5.2L Fuel injected engine?

The breather element filter on a 1999 Dodge Dakota 5.2L V8 is integrated into the valve cover. There isn't a separate, easily identifiable filter like some older engines had. The valve cover itself houses the PCV (Positive Crankcase Ventilation) system, and the breather is part of that system. You'll find it under the valve cover(s), usually with a small hose connected. You'll likely need to remove the valve cover to properly inspect or replace it.