This air filter housing is for 2003-2007 Dodge Ram 2500 and 3500 models with a 5.9L Cummins engine. It is made of black plastic and comes with a K&N million mile oiled air filter that only needs cleaning and oiling every 75,000 miles under normal highway conditions. The housing is in good working condition and ready to be installed on your vehicle. It will be a great addition to your air delivery system.