2003-2006 Trailblazer EXT LS From Radiator to Quick Connect, Radiator Oil Cooler. 2008 Trailblazer Base From Radiator to Quick Connect. 2002-2007 Trailblazer LS From Radiator to Quick Connect. 2002-2003, 2006 Trailblazer EXT LT From Radiator to Quick Connect, Radiator Oil Cooler.
