Transmission Oil Cooler Line, 2002-2004 Oldsmobile, 2002-2009 Chevy/GMC, 2003-2008 Isuzu, 2004-2007 Buick, 2005-2009 Saab, Inlet From Radiator (Upper)|Dorman Products 624-954 Transmission Oil Cooler Line 2002-2004 Oldsmobile, 2002-2009 Chevy/GMC, 2003-2008 Isuzu, 2004-2007 Buick, 2005-2009 Saab.