All Aluminum radiator For Ram 2013-2018 1500/2019-2020 1500 Classic 3Rows. 2019-2020 Ram 1500 Classic 3.6L 5.7L. 2013-2018 Ram 1500 3.6L 3.7L 4.7L 5.7L. Aluminum radiator. This all-aluminum radiator provides maximum cooling efficiency and prevents premature engine failure.