ECCPP Secondary Air Injection Shut-Off Valve fit for 2009-2010 for Buick Lucerne 2008-2010 for Chevrolet Impala

FITMENT - Secondary air injection shut-off valve fit for 2009 2010 for Buick Lucerne 2008 2009 2010 for Chevrolet Impala VALVE CHARACTERISTICS-supply oxygen to the cylinder head or exhaust manifold during the cold start phase to provide sufficient oxygen to fully burn the fuel FUNCTION - Reduce the concentration of carbon monoxide and unburned hydrocarbons to allow the emission of substances to meet standards ADVANTAGES -Perfect match with OEM specifications.Inspected to guarantee optimum,trouble-free functionality NOTICE - Please check picture,part number and fitment information before placing order.Please feel free to tell us via Email if any quality problem or dissatisfaction occurs