FASS Fuel Air Separation Systems
Part # CV52001
Reference # 4936636
The 2007.5+ Dodge 6.7L Cummins has a crankcase vent filter that is located on top of the valve cover assembly. The suggested change interval for the CCV is 67,500 miles. A message on your overhead console will alert you to the need to "perform service".
To reset the "perform service indicator" - turn ignition on do not start, press the brake pedal twice, press accelerator twice, turn key off.