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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Most Popular Parts

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Front & Rear 2-Piece Brake Rotor Upgrade Kit

ES#4056683 - 023938ecs02KT - Front & Rear 2-Piece Brake Rotor Upgrade Kit - Direct bolt-on replacement - up to 16% less weight! - ECS - Audi

Direct bolt-on replacement - up to 16% less weight! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4056683
Mfg#:
023938ECS02KT
In Stock
ON SALE! SAVE 15%
$1783.99

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

$1516.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2177173 - 6-ECS-024 - Wheel Spacer & Bolt Kit - 20mm With Ball Seat Bolts - Add some style to your Audi with these wheel spacers - ECS - Audi

Add some style to your Audi with these wheel spacers 10X Entries Into Our F80 M3 Sweepstakes
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2177173
Mfg#:
6-ECS-024
In Stock
ON SALE! SAVE 10%
$179.99

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

$161.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" ZTF-01 Forged Wheels - Set Of Four

ES#4305537 - 034-604-0004KT - 19" ZTF-01 Forged Wheels - Set Of Four - 19x9.3 ET35 5x112 - Anthracite Grey - 034Motorsport - Audi MINI

19x9.3 ET35 5x112 - Anthracite Grey 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4305537
Mfg#:
034-604-0004KT
Ships in 2 Business Days
$4504.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#3561442 - 079919523J - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Genuine Volkswagen Audi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561442
Mfg#:
079919523J
In Stock
5% off MSRP

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

$53.32

This product was last offered at the strikethrough price on
10-09-2026

$50.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Res-X Resonator Delete Pipe And X-Pipe

ES#4315893 - 034-105-7051 - Res-X Resonator Delete Pipe And X-Pipe - Transform your exhaust note - 034Motorsport - Audi

Transform your exhaust note 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4315893
Mfg#:
034-105-7051
In Stock
$443.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear DD23 "Daily Driver" Ceramic Brake Pad Set

ES#5445251 - B9SFRP3KT - Front & Rear DD23 "Daily Driver" Ceramic Brake Pad Set - This enthusiast-developed pad offers confident stopping power, very low dust, quiet braking, and a positive initial bite. The perfect choice for your daily-driven Euro! - ECS - Audi

This enthusiast-developed pad offers confident stopping power, very low dust, quiet braking, and a positive initial bite. The perfect choice for your daily-driven Euro! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5445251
Mfg#:
B9SFRP3KT
Ships on Dec 4, 2026
ON SALE! SAVE 20%
$203.99

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

$163.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

18" Style 040 Wheels - Set Of Four

ES#2738553 - 040-4kt1 - 18" Style 040 Wheels - Set Of Four - 18x8.5" ET40 5x112 66.6CB - Silver/Machined Face - Alzor - Audi MINI

18x8.5" ET40 5x112 66.6CB - Silver/Machined Face 10X Entries Into Our F80 M3 Sweepstakes
Front wheels require an 10mm spacer to clear the brake calipers

Brand:
Alzor - Corporate Logo
ES#:
2738553
Mfg#:
040-4KT1
Ships in 1 Business Day
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 349 Wheels - Set Of Four

ES#2713035 - 349A-8 - 18" Style 349 Wheels - Set Of Four - 18"x8" ET35 CB66.6 5x112 Matte Black - Alzor - Audi MINI

18"x8" ET35 CB66.6 5x112 Matte Black 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Alzor - Corporate Logo
ES#:
2713035
Mfg#:
349A-8
Ships on Mar 12, 2027
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

Billet Fuel Cap Cover - Black Anodized

ES#3677064 - 022506ECS0102 - Billet Fuel Cap Cover - Black Anodized - Upgrade your gas cap to our gorgeous CNC-machined aluminum cover. Easily installs over your existing cap! - ECS - Audi Volkswagen Porsche

Upgrade your gas cap to our gorgeous CNC-machined aluminum cover. Easily installs over your existing cap! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3677064
Mfg#:
022506ECS0102
In Stock
ON SALE!
$120.99

This product was last offered at the strikethrough price on
09-07-2026

$114.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Cross Drilled UV Coated Brake Rotors - Pair (330x22)

ES#4491560 - 8k0615601cxKT - Rear Cross Drilled UV Coated Brake Rotors - Pair (330x22) - Features Brembo's special UV paint treatment that guarantees superior corrosion resistance. - Brembo - Audi

Features Brembo's special UV paint treatment that guarantees superior corrosion resistance. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Brembo - Corporate Logo
ES#:
4491560
Mfg#:
8K0615601CXKT
In Stock
$289.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Kit - Priced Each

ES#5433382 - 06M198405H - Oil Filter Kit - Priced Each - Keep debris out of your oil and keep your engine running healthily - Genuine Volkswagen Audi - Audi Porsche

Keep debris out of your oil and keep your engine running healthily

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5433382
Mfg#:
06M198405H
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.

$16.24

This product was last offered at the strikethrough price on
09-22-2026

$14.55 USD
Free Shipping
on orders $49 and up

19" A02 Wheels - Bronze - Set Of Four

ES#4629210 - whl00039KT - 19" A02 Wheels - Bronze - Set Of Four - 19x8.5" ET45 5X112 - Bronze - APR - Audi BMW Volkswagen MINI

19x8.5" ET45 5X112 - Bronze Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4629210
Mfg#:
WHL00039KT
In Stock
ON SALE! SAVE 10%
$1599.99

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

$1439.82 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 20mm (Pair)

ES#2167462 - 002411ECS03A20KT - ECS Wheel Spacers - 20mm (Pair) - Add some style with these wheel spacers - ECS - Audi BMW Porsche

Add some style with these wheel spacers 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2167462
Mfg#:
002411ECS03A20KT
In Stock
ON SALE! SAVE 15%
$140.99

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

$119.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Lug Bolts (Set of 10) - 40mm

ES#3570137 - MS100176 - APR Lug Bolts (Set of 10) - 40mm - Black zinc coated 40mm ball set wheel bolts to be used with 12mm wheel spacers - APR - Audi Volkswagen

Black zinc coated 40mm ball set wheel bolts to be used with 12mm wheel spacers Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3570137
Mfg#:
MS100176
In Stock
ON SALE! SAVE 10%
$58.95

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

$53.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5 ECU Cover - Matte Black

ES#3740044 - 028798ECS01 - Audi B9 S4/S5 ECU Cover - Matte Black - Compliment your engine bay and hide away the exposed ECU - ECS - Audi

Compliment your engine bay and hide away the exposed ECU 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3740044
Mfg#:
028798ECS01
In Stock
ON SALE! SAVE 25%
$103.99

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

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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