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Audi B8/B8.5 S4 Quattro 3.0T

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Audi B8/B8.5 S4 Quattro 3.0T Most Popular Parts

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Wheel Spacer & Bolt Kit - 5mm With Black Conical Seat Bolts

ES#2748279 - 6-ECS-015 - Wheel Spacer & Bolt Kit - 5mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748279
Mfg#:
6-ECS-015
In Stock
ON SALE! SAVE 25%
$140.99

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

$105.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" Style 349 Wheels - Set Of Four

ES#2642635 - 349AKT1 - 18" Style 349 Wheels - Set Of Four - 18x8 ET35 5x112 66.6CB - Hyper Silver - Alzor - Audi MINI

18x8 ET35 5x112 66.6CB - Hyper Silver 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
2642635
Mfg#:
349AKT1
In Stock
ON SALE! SAVE 25%
$1166.99

This product was last offered at the strikethrough price on
05-02-2026

$875.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" Style 010 Wheels - Set Of Four

ES#2695646 - 010-26KT1 - 18" Style 010 Wheels - Set Of Four - 18x8 ET28 5x112 66.6CB - Silver With Machined Lip - Alzor - Audi

18x8 ET28 5x112 66.6CB - Silver With Machined Lip 10X Entries For Our 25th Anniversary Sweepstakes!
Wheel spacers may be necessary for front caliper clearance.

Brand:
Alzor - Corporate Logo
ES#:
2695646
Mfg#:
010-26KT1
In Stock
ON SALE! SAVE 25%
$1166.99

This product was last offered at the strikethrough price on
05-02-2026

$875.01 USD
Free Shipping

CTS High Performance Ignition Coil

ES#4419105 - CTS-IGN-006 - CTS High Performance Ignition Coil - These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at its peak performance. - CTS - Audi Volkswagen

These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at it’s peak performance.

Brand:
CTS - Corporate Logo
ES#:
4419105
Mfg#:
CTS-IGN-006
Ships in 7 Business Days
ON SALE! SAVE 15%
$29.99

This product was last offered at the strikethrough price on
07-10-2026

$25.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

ES#4818449 - 06E103217AD - Breather Tube - Connects to both valve covers to the PCV adapter vent tube - Bremmen Parts - Audi Volkswagen

Connects to both valve covers to the PCV adapter vent tube 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818449
Mfg#:
06E103217AD
Ships in 10 Business Days
Auto Notify
ON SALE! SAVE 20%
$78.99

This product was last offered at the strikethrough price on
05-02-2026

$62.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Rear Bumper Side Splitters - Gloss Black

ES#4044452 - 024846ecs01KT1 - Audi B8.5 S4 / A4 S-Line Rear Bumper Side Splitters - Gloss Black - Spice up the exterior of your Audi with gloss black spats! - ECS - Audi

Spice up the exterior of your Audi with gloss black spats! 10X Entries For Our 25th Anniversary Sweepstakes!

Fits 2013+ A4 S-Line and S4 rear bumpers

Brand:
ECS - Corporate Logo
ES#:
4044452
Mfg#:
024846ECS01KT1
In Stock
ON SALE! SAVE 25%
$139.99

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

$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Supercharger Crank Pulley Upgrade - 187mm

ES#3438177 - CTS-HW-266-187 - CTS Turbo Supercharger Crank Pulley Upgrade - 187mm - Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output *NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
3438177
Mfg#:
CTS-HW-266-187
Ships in 7 Business Days
ON SALE! SAVE 20%
$379.99

This product was last offered at the strikethrough price on
07-10-2026

$303.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each

ES#2731765 - 94460 - Spark Plug - Priced Each - Keep your engine running strong - NGK - Audi Porsche

Keep your engine running strong We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
2731765
Mfg#:
94460
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Street Density Rear Shock Mount - Priced Each

ES#4883200 - 034-601-3002 - 034Motorsport Street Density Rear Shock Mount - Priced Each - Features 70A Durometer Density Line Rubber and engineered for increased performance and durability over the factory rear shock mounts! - 034Motorsport - Audi Porsche

Features 70A Durometer Density Line Rubber and engineered for increased performance and durability over the factory rear shock mounts!

Brand:
034Motorsport - Corporate Logo
ES#:
4883200
Mfg#:
034-601-3002
In Stock
$53.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Antenna Cover

ES#3191300 - 022697ECS01 - Carbon Fiber Antenna Cover - Add a unique, lightweight look to your ride - ECS - Audi Volkswagen

Add a unique, lightweight look to your ride 10X Entries For Our 25th Anniversary Sweepstakes!

Fits from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3191300
Mfg#:
022697ECS01
In Stock
ON SALE! SAVE 20%
$97.99

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

$78.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

X-Brace Billet Aluminum Chassis Reinforcement

ES#2951399 - 034-603-0008 - X-Brace Billet Aluminum Chassis Reinforcement - Increase torsional rigidity for improved steering feel and handling performance - 034Motorsport - Audi

Increase torsional rigidity for improved steering feel and handling performance

Brand:
034Motorsport - Corporate Logo
ES#:
2951399
Mfg#:
034-603-0008
Ships in 2 Business Days
$752.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 S4/S5 Pre-Facelift Luft-Technik Performance Supercharger Intercooler Kit - Without ADS

ES#4305066 - 025496ECS01KT2 - Audi B8 S4/S5 Pre-Facelift Luft-Technik Performance Supercharger Intercooler Kit - Without ADS - Reduce restrictions and increase cooling! Whether you call it an intercooler, a heat exchanger, a radiator, or something else - this is the product for you. - ECS - Audi

Reduce restrictions and increase cooling! Whether you call it an intercooler, a heat exchanger, a radiator, or something else - this is the product for you. 10X Entries For Our 25th Anniversary Sweepstakes!

Fits B8 Pre-Facelift Models Without ADS

Brand:
ECS - Corporate Logo
ES#:
4305066
Mfg#:
025496ECS01KT2
In Stock
ON SALE! SAVE 20%
$938.99

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

$751.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

FX850 Strapped Twin Disc Clutch Kit

ES#4141990 - 02060-TDFR-SHV - FX850 Strapped Twin Disc Clutch Kit - A high performance clutch design for the track! - Clutch Masters - Audi

A high performance clutch design for the track!

Brand:
Clutch Masters - Corporate Logo
ES#:
4141990
Mfg#:
02060-TDFR-SHV
Ships in 2 Business Days
8% off MSRP

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

$3272.99

This product was last offered at the strikethrough price on
07-27-2026

$2999.99 USD
Free Shipping

Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Front Lip

ES#4490853 - 013875ECS01-02 - Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Front Lip - Hand-laid chopped carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid chopped carbon fiber to upgrade your exterior styling 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles from the 2013 model year (Facelift)

Brand:
ECS - Corporate Logo
ES#:
4490853
Mfg#:
013875ECS01-02
In Stock
ON SALE! SAVE 36%
$940.99

This product was last offered at the strikethrough price on
05-02-2026

$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Lightweight Flywheel clutch Kit - Stage 3+

ES#4027478 - 003886ECS01AKT8 - Performance Lightweight Flywheel clutch Kit - Stage 3+ - ECS Lightweight Flywheel with a Spec Stage 3+ clutch kit rated at 595ft/lbs - Assembled By ECS - Audi

ECS Lightweight Flywheel with a Spec Stage 3+ clutch kit rated at 595ft/lbs 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4027478
Mfg#:
003886ECS01AKT8
Ships on Sep 25, 2026
Auto Notify
ON SALE!
$3291.99

This product was last offered at the strikethrough price on
05-02-2026

$2999.82 USD
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 A4 And S4 Front And Rear Adjustable Sway Bar Kit

ES#4213431 - 022846ecs01kt2 - Audi B8/B8.5 A4 And S4 Front And Rear Adjustable Sway Bar Kit - Reduce body roll and increase cornering speed - ECS - Audi

Reduce body roll and increase cornering speed 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4213431
Mfg#:
022846ECS01KT2
In Stock
ON SALE! SAVE 10%
$733.99

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

$660.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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