Feature: 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 Fitmnet: For Chevrolet 99-2007 W3500 Tiltmaster W3S042 99-2007 W4500 Tiltmaster W4S042 For GMC 99-2007 W3500 Forward W3S042 99-2007 W4500 Forward W4S042 For ISUZU .
