GMC Savana 2500 1996-2002 395 8 6.5 w/Auxiliary Engine Oil Cooler. GMC Savana 3500 1996-2002 395 8 6.5 w/Auxiliary Engine Oil Cooler. Quality materials - this engine oil cooler hose assembly is made from corrosion-resistant materials to ensure the smooth transfer of oil from the engine to the cooler.