BSecondary Air Injection Pump 078906601F for Audi A6 A8 Quattro 4.2L 00-04 ReviewbP PP Secondary Air Injection Pump 078906601F for Audi A6 A8 Quattro 4.2L 00-04 PSecondary Air Injection Pump 078906601F for Audi A6 A8 Quattro 4.2L 00-04POEM: 078906601F, 721851320, W0133-1736497PDirect OE replacement unit; Keep your engine running efficientlyP1-year Manufacturer Type warranty limitedPApplication Guide: 2000-2003 Audi A8 Quattro, V8 4.2L; 2003-2004 Audi RS6, V8 4.2L; 2001-2003 Audi S8, V8 4.