OE part number: 12572988. FITMENT:Engine Coolant Thermostat Housing Fit for 2004-2007 for Buick Rainier,2002-2009 for Chevrolet Trailblazer,2002-2009 for GMC Envoy,2002-2006 for GMC Envoy XL,2004-2005 for GMC Envoy XUV,2003-2007 for Isuzu Ascender,2002-2004 for Oldsmobile Bravada,2007-2009 for Saab 9-7x. Function: To ensure that the engine works within a suitable temperature range, so as to effectively control the emissions produced by the engine.. Installation: The installation is very simple, just replace the old thermostat directly, it will be done in a few minutes, make sure that the installation is successful before driving.. Note: The accessories have met or exceeded OEM standards and are made of high-quality materials, which can perfectly replace the old thermostats..
