Bilstein B4 OE Replacement dampers are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world-famous Bilstein quality. 46mm Monotube Shock Absorber Coming Soon What's Included: Bilstein 17-20 A4 & A4 Quat / 18-21 A5 Quat & A5 SB / 18-19 S4 / 18-19 S5 & S5 SB B4 OE Shock Front Vehicle Fitment: 2019 Audi S4 Premium 2018-2019 Audi S4 Premium Plus 2018-2019 Audi S4 Prestige 2017-2020 Audi A4 Premium 2017-2020 Audi A4 Premium Plus 2017-2020 Audi A4 Prestige 2019 Audi A4 Titanium 2017-2023 Audi A4 Quattro Premium 2017-2023 Audi A4 Quattro Premium Plus 2017-2023 Audi A4 Quattro Prestige 2019-2020 Audi A4 Quattro Ultra sport 2018-2023 Audi A5 Quattro Premium 2018-2023 Audi A5 Quattro Premium Plus 2018-2023 Audi A5 Quattro Prestige 2019 Audi S5 Premium 2018-2019 Audi S5 Premium Plus 2018-2019 Audi S5 Prestige 2018-2021 Audi A5 Sportback Premium 2018-2021 Audi A5 Sportback Premium Plus 2018-2021 Audi A5 Sportback Prestige 2018-2019 Audi S5 Sportback Premium Plus 2018-2019 Audi S5 Sportback Prestige