2021 Audi S4 Parts
Performance parts and accessories that fit your 2021 Audi S4. Shop Bilstein, ST Suspensions, KW and more. Every part is checked against your vehicle before it ships.
BilsteinBilstein B6 (DampTronic) 17-21 Audi A4 Allroad Front Monotube Shock AbsorberMPN bil26-296036$479.00In stock
ST SuspensionsST XA Adjustable Coilovers 2018+ Audi A4/S4/A5 (B9) Sedan Quattro w/o Electronic DampersMPN sts182100BM$1399.00In stock
BilsteinBilstein 17-21 Audi A4 Quattro / 18-21 A5 Quattro Performance Shock FrontMPN bil24-274869$240.00In stock
KWKW Coilover Kit V3 2017+ Audi A4 (B9) Sedan w/ Electronic DampersMPN kws352100BJ$3834.00In stock
H&RH&R 17-20 Audi A4 Premium/A4 Premium Plus/A4 Prestige (2WD) B9 Sport SpringMPN hrs50357$415.65In stock
SuperproSuperPro 2009 Audi Q5 Prestige Front Lower Forward Control Arm Shock Mount Bushing KitMPN sprSPF5187K$84.99In stock
SPC PerformanceSPC Performance 17-19 Audi A4 Knuckle Pinch Hardware Bolt & NutMPN spc21045$6.49In stock
SuperproSuperPro 2009 Audi Q5 Prestige Front Radius Arm-to-Chassis Mount Bushing Kit (w/ Caster Offset)MPN sprSPF5189XK$259.99In stock
H&RH&R 17-21 Audi A4 Premium/A4 Premium Plus (2WD) B9 Street Perf. Coil Over (Before 7/11/16 & w/o MRC)MPN hrs50356$1782.00In stock- KWKW Coilover Kit V3 2017+ Audi A4 (B9) Sedan w/o Electronic DampersMPN kws352100BH$3524.00In stock
BilsteinBilstein B8 Performance Plus 17-19 Audi A4 / A4 Quattro Rear Monotube ShockMPN bil24-262323$149.00In stock
ST SuspensionsST Audi A4 / S4 (B9) Sedan A5 S5 (B9) Coupe 4WD Adjustable Lowering SpringsMPN sts273100BH$1089.00In stock
KYBKYB 17-20 Audi A4 / 18-24 A5 Quattro Coupe / A5 Sportback / 18-25 S4 Gas-A-Just Rear ShockMPN kyb5530025$90.13In stock
MoogMOOG 20-17 Audi A4 Allroad Front Left Upper Rearward Control ArmMPN mohRK623690$54.53In stock
BilsteinBilstein B8 17-19 A4/A4 Quattro / 18-19 S4/S5 18-20 A5/S5 Sportback w/ Sport Susp 49mm Front ShockMPN bil24-274876$249.00In stock
KONIKoni Sport (Yellow) Shock for Audi A4 & S4 (B9) - RearMPN kon8240 1319Sport$189.75In stock
SuperproSuperPro 09-20 Audi A4 Front End Link Bushing Set (4pcs)MPN sprSPF5597K$89.99In stock
BilsteinBilstein B6 17-20 Audi A4 Rear Monotube Shock Absorber w/o Electronic SuspensionMPN bil24-262293$134.00In stock
H&RH&R 17-21 Audi A4 Premium/Premium Plus/Prestige (2WD) B9 Street Perf. Coil Over Kit (w/o MRC)MPN hrs50356-2$1782.00In stock
KWKW H.A.S. 2017+ Audi A4/S4 Quattro (B9) AWD w/o Electronic Dampers (50mm)MPN kws253100BH$1284.00In stock
KONIKoni Special Active Shock 16-19 Audi A4 / 16-19 Audi S4 (B9) RearMPN kon8245 1407$159.33In stock
SPC PerformanceSPC Performance Audi B9 Upper Control Arm Front RightMPN spc81382$449.96In stock
SuperproSuperPro 2009 Audi Q5 Prestige Front Rearward Radius Arm-to-Chassis Mount Bushing KitMPN sprSPF5189K$219.99In stock
KWKW Electronic Damping Cancellation Kit 17-18 Audi S5 AWDMPN kws68510476$493.95In stock