Secondary Air Pump OEM 12610063 fits 2007-2012 Chevy Colorado Hummer H3 Canyon 2.9L 3.7L

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: 12610063 ,322403M, Safety:Yes New or Renew:New Anti-Corrosion:Yes Location:Front Inner Anti-Rust:Yes WaterProof:Yes Color:Black   Compatible Vehicles: For Cherolet : 2007-2012 COLORADO  3.7L For GMC : 2007-2012 CANYON  3.7L For HUMMER : 2007-2010 H3  3.7L 2010 H3T For  ISUZU 2008 1-290  29L 2007-2008 1-270  3.7L