New Secondary Air Injection Pump for CHEVROLET GMC OLDSMOBILE BUICK 12568324 12563085 17803251 323503M

How does a secondary air pump work?  The secondary air pump draws in ambient air and injects it into the exhaust manifold downstream of the exhaust valves. There is a separate integrated air filter if the air is not drawn in from the intake system but rather directly from the engine compartment.   Features & Benefits: · Each Air Pump is a direct-fit OE replacement that ensures ease of installation · High-quality materials withstand extreme conditions Undergoes extensive testing to ensure reliability · O.E.M Replace: 12568324 12563085 17803251 323503M · Safety:Yes · Anti-Corrosion:Yes · Location:Front Inner · Anti-Rust:Yes · Material:Advanced Aviation · WaterProof:Yes · Color:Black  Compatible Vehicles:   For  BUICK LESABRE 2000-2003 For  CHEVROLET C3500 PICKUP 2001 For  CHEVROLET EXPRESS 1500 2000-2002 For  CHEVROLET EXPRESS 2500 2000-2002 For  CHEVROLET EXPRESS 3500 2001-2002 For  CHEVROLET S10 PICKUP 2000-2003 For  CHEVROLET SILVERADO 1500 2001 For  CHEVROLET SILVERADO 2500 2001…