labrenExplorerFeb 18, 2015DEF in RamWould anyone know right off, what year the DEF Fluid was started in the diesel Ram's...was it 2011?
DirtyOilExplorerFeb 19, 2015http://news.pickuptrucks.com/2011/07/spied-diesel-exhaust-fluid-coming-soon-to-ram-heavy-duty-pickups.htmlThe Cummins powered Ram cab/chassis trucks started using DEF in 2010, on the 2013MY the 3500 and 2500 Cummins equipped trucks started using DEF.