UAC HT 2122C HVAC Heater Core. Fits the following vehicles: 2011 Ram 1500, 2011-2015 Ram 2500, 2011 Ram 3500, 2011 Ram 4500, 2011-2013 Ram 5500, 2017-2018 Ram 2500, 2012-2014 Ram 4000, 2015 Ram 5500, 2014-2018 Ram 1500, 2014 Ram 3500, 2016-2018 Ram 4000, 2014 Ram 4500, 2016 Ram 4500, 2018 Ram 4500, 2019-2020 Ram 1500 Classic.
