Fitment With The Following Vehicles:Compatible With: 2012| Compatible With Au-Di |S5,Base2012| Compatible With Au-Di |A5 Quattro,Cabriolet2012| Compatible With Au-Di |A5 Quattro,Base2012| Compatible With Au-Di |A5,Cabriolet2015| Compatible With Au-Di |A5 Quattro,PrestigeProduct Info: Product Description - Short: Bilstein B6 2009 Compatible With Audi A4 Quattro Avant Rear 46Mm Monotube Shock Absorberproduct Description - Long: B6 Performance-Shock Absorberproduct Description - Long: 46Mm Monotube Shock Absorberproduct Description - Short: ShockInterchange Part Number: Part Number: 24-145978Oe Part Number: 8T0 513 035 Ab, 5K0 513 035 Ab, 8R0 513 035 R, 8R0 513 035 E, 4G5 513 035 D, 8T0 513 035 L, 4G5 513 035 C, 8R0 513 035 C, 8F0 513 035 D, 8K0 513 035 As, 8T0 513 035 F, 8K0 513 035 Aa, 8K0 513 035 Ar, 8F0 513 035 E, 8K0 513 035 Am, 4G5 513 035, 8F0 513 035 N, 8F0 513 035 K, 8K0 513 035 K, 8F0 513 035 J, 8K0 513 035 Ab, 8T0 513 035 M, 8F0 513 035 L, 4G5 513 035 F, 8R0 513 035 J, 8R0 513 035 H, 8T0 513 035 G, 4G8 513 035 A, 8R0 513 035 Ab, 8K0 513 035 Ak, 8F0 513 035 B, Additional Info: Bilstein B6 2009 Compatible With Audi A4 Quattro Avant Rear 46Mm Monotube Shock AbsorberProduct Overview: Bilstein B6 Performance Dampers Are A Performance Upgrade To Oe Dampers Designed To Be Paired With The Oe Factory Spring. These Dampers Offer Application Specific Valve Settings With A Monotube Design To Bring Out The Best Handling Performance Of A Vehicle. Each Damper Is Rigorously Tested For Quality That Meets Or Exceeds Oe Standards. B6 Performance Dampers Will Provide Improved Safety And Handling Performance With The Added Benefit Of World-Famous Bilstein Quality.Guarantees And Warranties:30-Day Satisfaction Guaranteesee Manufacturer's Website For Most Accurate Warranty Information