Fitment: Compatible with 2014-2015 GMC Sierra 1500; Compatible with 2014-2015 Chevrolet Silverado 1500; Compatible with 2015-2020 Chevrolet Silverado 2500/3500 HD; Compatible with 2015-2020 GMC Sierra 2500/3500 HD. Replacement for GM1223105, 23106033 Material: High-quality steel with electrophoresis primed black finish Function: Forms the upper radiator frame, holds the radiator, condenser and fan assembly in correct position, maintains hood-latch, headlamp and grille alignment while reducing front-end flex and vibration Installation: Bolts to factory mounting points with hardware using the supplied guide Package: 1 x Radiator Support. Hardware and installation instructions not included