Description of 12574379 Secondary Rainier Trailblazer Oldsmobile
The secondary air injection pump is responsible for lowering the number of carbon emissions that come out of the tailpipe of a vehicle. This component is also called a smog pump, or an air pump, and it lies within the secondary air injection system of the vehicle. Secondary Air System is designed for exhaust gas reprocessing in the engine warm-up phase. During this process, fresh air is blown directly into the exhaust manifold, enabling faster heating of the catalytic converter. This Secondary Air Smog Pump Fits for 2006 - 2009 B u i c k Lucerne 4.6 Liters and w/90 Degree Inlet Port, 2004 - 2007 Rainier 4.2 Liters and w/90 Degree Inlet Port, 2006 - 2009 Cadillac DTS w/90 Degree Inlet Port, 2004 - 2009 Chevy S10 Trailblazer 4.2 Liters and w/90 Degree Inlet Port, 2004 - 2009 GMC S15 Envoy 4.2 Liters and w/90 Degree Inlet Port, 2004 Oldsmobile Bravada w/90 Degree Inlet Port. Customers can find the product you need accurately according to the OE number. OEM Number: 12574379, 15097130, 341-00377, 215-454, , 7.22621.13.0, 7.22621.25.0, 7.28056.07.0, 722621250, 728056070. Secondary Air Pump injects fresh air into the exhaust gas behind the exhaust valve in a short time, to help further oxidized of CO and HC in the exhaust gas of the engine , thereby reducing the emission of harmful substances in the exhaust gas of the automobile. One of the first symptoms of a bad or failing smog pump is a rough running engine--Reduced horsepower; Check Engine Light comes on. By simply replacing this pump, efficiency can be restored and there will be no worry about failing an emissions test. This Pump fits 04 05 06 07 08 09 years.