2014 2015 2016 2017 2018 Chevrolet Silverado 1500 (Custom, High Country, Ls, Lt, Ltz, Ssv, Wt). 2014 2015 2016 2017 2018 Gmc Sierra 1500 (Base, Denali, Sle, Slt). Durable alloy aluminum to withstand temperature variations and the corrosive nature of coolant.
