Secondary Air Pump OEM 078906601E fits 1993-1999 A6 Quattro VW EuroVan Cabrio Golf Jetta Passat

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: 07806601E,078906601A,07806601A,7.21851.28.0 Safety:Yes Anti-Corrosion:Yes Location:Front Inner Anti-Rust:Yes WaterProof:Yes Color:Black   Compatible Vehicles:   For Audi: 2000-2005 Audi A4 1.8L 2005 Audi A4 3.0L 2000-2005 Audi A4 Quattro 1.8L 2003-2005 Audi A4 Quattro 3.0L 2000-2001 Audi A6 2.8L 2002-2004 Audi A6 3.0L 2009-2011 Audi A6 3.2L 2000-2001 Audi A6 Quattro 2.8L 2002-2011 Audi A6 Quattro…