Shop Nilight Radiator for Chevrolet Colorado 2004 2005 2006 2007 2008 2009 2010 2011 2012,GMC Canyon 2004-2012, Isuzu i-280 i-290 i-350 i-370 2006 2007 2008 2.8L 2.9L 3.5L 3.7L in high quality. 100% leak tested to prevent coolant loss and keep the engine running efficiently. Increases the boiling point of the engine coolant to maintain efficiency. Maintains the pressure of the cooling system to keep the vehicle safe and well sealed.