Features: -Aluminum construction to ensure heat transfer efficiency -Louvered aluminum fins and tubes are bonded through a unique furnace-brazing process with premium quality aluminum for maximum heat dissipation -Each product is quality inspected and 100% tested -Lightweight Direct Bolt-On OEM Fitment or Replacement -Guaranteed Exact Fit for easy installation Compatibility: 2003-2014 Chevrolet Express 1500 2003-2019 Chevrolet Express 2500 2003-2019 Chevrolet Express 3500 2009-2018 Chevrolet Express 4500 2003-2014 GMC Savana 1500 2003-2019 GMC Savana 2500 2003-2019 GMC Savana 3500 2009-2016 GMC Savana 4500 Specification: .