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Audi S4 Most Popular Parts

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Audi B8 3.0T Supercharger Coolant Bleeder Bolt Set

ES#4305163 - 025670ecs01 - Audi B8 3.0T Supercharger Coolant Bleeder Bolt Set - Get rid of the plastic bleeder bolts on the back of the supercharger! - ECS - Audi

Get rid of the plastic bleeder bolts on the back of the supercharger! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4305163
Mfg#:
025670ECS01
In Stock
ON SALE! SAVE 25%
$54.99

This product was last offered at the strikethrough price on
06-13-2026

$41.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear HPS 5.0 Performance Brake Pad Set

ES#4000469 - HB866B.652 - Rear HPS 5.0 Performance Brake Pad Set - Next generation high performance street brake pad offering greater stopping power and pedal feel, with very low dust. - Hawk - Audi

Next generation high performance street brake pad offering greater stopping power and pedal feel, with very low dust.

Brand:
Hawk - Corporate Logo
ES#:
4000469
Mfg#:
HB866B.652
In Stock
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$219.99

This product was last offered at the strikethrough price on
10-21-2026

$197.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Toe Arms - Audi B8/Porsche Macan

ES#3624747 - 027967ecs01 - Adjustable Rear Toe Arms - Audi B8/Porsche Macan - Adjust your rear toe angle and improve handling with these ECS Heavy Duty Toe Arms - ECS - Audi Porsche

Adjust your rear toe angle and improve handling with these ECS Heavy Duty Toe Arms 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3624747
Mfg#:
027967ECS01
In Stock
ON SALE! SAVE 25%
$217.99

This product was last offered at the strikethrough price on
06-13-2026

$163.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

13lb DSG Lightweight Flywheel - DL501

ES#4504638 - FW-060AM-DSF-13 - 13lb DSG Lightweight Flywheel - DL501 - 11lbs lighter than factory and machined billet instead of cast iron! - Clutch Masters - Audi

11lbs lighter than factory and machined billet instead of cast iron!

Brand:
Clutch Masters - Corporate Logo
ES#:
4504638
Mfg#:
FW-060AM-DSF-13
In Stock
$1623.99

This product was last offered at the strikethrough price on
08-13-2026

$1549.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Catch Can Kit - EA839 S4/S5

ES#4849699 - 034-101-1016 - 034Motorsport Catch Can Kit - EA839 S4/S5 - Engineered for enhanced durability to capture crankcase oil deposits before entering your intake tract - 034Motorsport - Audi

Engineered for enhanced durability to capture crankcase oil deposits before entering your intake tract 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4849699
Mfg#:
034-101-1016
In Stock
$729.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

HID Headlight Ballast - Priced Each

ES#3437295 - 8K0941597E - HID Headlight Ballast - Priced Each - Replace your failed ballast and get your xenon headlights in working order again. - Hella - Audi Volkswagen

Replace your failed ballast and get your xenon headlights in working order again.

Brand:
Hella - Corporate Logo
ES#:
3437295
Mfg#:
8K0941597E
In Stock
$220.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Door Speaker - Priced Each

ES#461623 - 8T0035415B - Front Door Speaker - Priced Each - Fits the left and right side - Genuine Volkswagen Audi - Audi

Fits the left and right side For vehicles with Bang & Olufsen sound systems

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
461623
Mfg#:
8T0035415B
In Stock
17% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$141.67

This product was last offered at the strikethrough price on
10-21-2026

$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 20mm With Black Ball Seat Bolts

ES#2748197 - ECS10159KTWB1 - ECS Wheel Spacer & Bolt Kit - 20mm With Black Ball Seat Bolts - Exclusively built for your 57.1mm centerbore VW/Audi & Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi & Includes everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes
Fits OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748197
Mfg#:
ECS10159KTWB1
In Stock
ON SALE! SAVE 10%
$183.99

This product was last offered at the strikethrough price on
06-13-2026

$165.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Bushing Insert Kit

ES#3170153 - 019209ECS01 - Transmission Mount Bushing Insert Kit - Decrease transmission mount slop for better drivetrain response! - ECS - Audi

Decrease transmission mount slop for better drivetrain response! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3170153
Mfg#:
019209ECS01
In Stock
ON SALE! SAVE 15%
$93.99

This product was last offered at the strikethrough price on
06-13-2026

$79.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Special Active Front Strut - Priced Each

ES#3560616 - 82451264 - Special Active Front Strut - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality Vehicles equipped with Electronic Damping Control (EDC) will lose factory shock damping and receive a system error code

Brand:
Koni - Corporate Logo
ES#:
3560616
Mfg#:
82451264
In Stock
38% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$329.45

This product was last offered at the strikethrough price on
10-21-2026

$202.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Insert

ES#2864605 - 034-509-4014 - Transmission Mount Insert - This billet aluminum insert is designed to fill the large void in the factory transmission mount - 034Motorsport - Audi Porsche

This billet aluminum insert is designed to fill the large void in the factory transmission mount 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864605
Mfg#:
034-509-4014
In Stock
$89.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" A01 Flow Formed Wheels - Set Of Four

ES#4045233 - whl00017KT - 18" A01 Flow Formed Wheels - Set Of Four - 18"x8.5", ET45, 5x112, 18.5lbs - Satin Black Finish - APR - Audi Volkswagen MINI

18"x8.5", ET45, 5x112, 18.5lbs - Satin Black Finish Call In Or Chat For Best Price!

Wheel spacers may be necessary to clear brake calipers

Brand:
APR - Corporate Logo
ES#:
4045233
Mfg#:
WHL00017KT
In Stock
ON SALE! SAVE 10%
$1479.80

This product was last offered at the strikethrough price on
09-28-2026

$1331.82 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#4620164 - g055190a2KT - Rear Differential Service Kit - Complete kit with Genuine fluids and drain plugs to service your rear differential - Genuine Volkswagen Audi - Audi

Complete kit with Genuine fluids and drain plugs to service your rear differential

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4620164
Mfg#:
G055190A2KT
Ships in 10 Business Days
$104.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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