For the discerning Audi B8 A4/S4/A5/S5 owner, our brand-new Street Performance Coilover Systems go a step further without blowing your budget out of wack. We are proud to introduce these new coilovers, which we will cover… Read More
Audi S4 Parts
The high-performance super sedan with the famous Quattro system, the Audi S4 is perhaps the most well-rounded platform ever built. Four doors, all-wheel-drive, high-horsepower, stylish, and luxurious all describe every generation of Audi’s executive sedan. Make all the upgrades and tackle your service with S4 parts and accessories from the largest source online.
Find Parts For Your Audi S4
- (2000-2002) B5 S4 Parts
- (2004-2005) B6 S4 Parts
- (2005-2009) B7 S4 Parts
- (2010-2016) B8 S4 Parts
- (2018+) B9 S4 Parts
Popular Audi S4 Wheels
Give your Audi S4 wheels the upgrade treatment with a new set of aftermarket metals or just replace a damaged OEM wheel with our selection here.
Audi S4 Performance Exhaust
Let your turbocharged or naturally aspirated S4 exhaust sing and spark an ear-to-ear smile every time you press the throttle. Our most popular aftermarket performance S4 exhaust choices are waiting for you.
Audi S4 Aero Upgrades
Part of the S4’s charm is its understated appearance. If you want to make it wild, your S4 bumpers, body-kits, diffusers, and more are waiting for you right now.
Audi S4 Timing Chain Service
When Audi switched from the timing belt to a timing chain in their S4, it was meant to be a lifetime part. Unfortunately, it wasn’t. Tackle your S4 timing chain service with our helpful kits.
Audi S4 Turbo Upgrades
Make your S4 turbo setup the best it can be with turbocharger upgrades and service kits available right here.
Find Audi S4 Parts from our Top Brands
Your Audi S4 parts need to match the quality of your German super sedan. That’s why we’ve gathered all the best OEM and aftermarket S4 parts and accessories so you can keep it perfect or performing better than ever with help from the most celebrated manufacturers in the business.
Read More Audi S4 Content On Our Blog
We love the Audi S4. From history to features and DIYs to product spotlights, you can read tons of entertaining and inspiring articles over on our blog about your beloved S4. Grab a cup of coffee and enjoy some excellent reads when you’ve finished snagging all your next S4 parts. ECS Blog