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Audi B9 S4 Quattro 3.0T Most Popular Parts

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RacingLine Higher Output Ignition Coils - Blue - Set Of Six

ES#4708312 - VWR900000-6KT - RacingLine Higher Output Ignition Coils - Blue - Set Of Six - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils.

Brand:
Racingline - Corporate Logo
ES#:
4708312
Mfg#:
VWR900000-6KT
Ships on Oct 29, 2026
$330.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Titanium Ball Seat Wheel Bolt - 14x1.5x27mm - Set Of 20

ES#3570214 - 025384ecs02-0120 - Titanium Ball Seat Wheel Bolt - 14x1.5x27mm - Set Of 20 - Lightweight, corrosion resistant, high performance lug bolts - ECS - Audi Volkswagen

Lightweight, corrosion resistant, high performance lug bolts 10X Entries Into Our F80 M3 Sweepstakes
Stock length bolts for use without spacers.

Brand:
ECS - Corporate Logo
ES#:
3570214
Mfg#:
025384ECS02-0120
In Stock
ON SALE!
$277.99

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

$264.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Braided Line Kit

ES#4635698 - 034-303-0015 - Stainless Steel Braided Line Kit - Features telfon linings, stainless steel braided reinforcement, and a protective black PVC covering. - 034Motorsport - Audi

Features telfon linings, stainless steel braided reinforcement, and a protective black PVC covering. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4635698
Mfg#:
034-303-0015
In Stock
$195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear YellowStuff Performance Brake Pad Set

ES#4031325 - DP42254R - Rear YellowStuff Performance Brake Pad Set - EBC's premium sport street pad that offers high friction levels and heat fade resistance - EBC - Audi

EBC's premium sport street pad that offers high friction levels and heat fade resistance 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
4031325
Mfg#:
DP42254R
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.

$151.59

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

$144.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KOMPACT EM BOV VR18 Plum Back

ES#4745487 - TS-0223-1279 - KOMPACT EM BOV VR18 Plum Back - Seamlessly install a Kompact EM Valve without the need for adaptors, hoses, or additional assembly. - TurboSmart - Audi

Seamlessly install a Kompact EM Valve without the need for adaptors, hoses, or additional assembly.

Brand:
TurboSmart - Corporate Logo
ES#:
4745487
Mfg#:
TS-0223-1279
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.

$309.99

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

$278.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger

ES#4766126 - 06M145689AC - Turbocharger - Complete turbocharger assembly to replace your failed unit - Restore boost and get going! - BorgWarner - Audi

Complete turbocharger assembly to replace your failed unit - Restore boost and get going!

Brand:
BorgWarner - Corporate Logo
ES#:
4766126
Mfg#:
06M145689AC
Ships in 1-2 days
$3062.99

This product was last offered at the strikethrough price on
05-07-2026

$2975.00 USD
Free Shipping

Rear V5 Slotted Brake Rotors - Set (330x22)

ES#4668333 - 4H0615601Q-S - Rear V5 Slotted Brake Rotors - Set (330x22) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - Audi

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4668333
Mfg#:
4H0615601Q-S
In Stock
ON SALE!
$374.99

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

$354.03 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear V5 Plain Brake Rotors - Set (330x22)

ES#4668334 - 4H0615601Q-P - Rear V5 Plain Brake Rotors - Set (330x22) - Precision manufactured and featuring a GeoSpec corrosion-resistant coating - ECS - Audi

Precision manufactured and featuring a GeoSpec® corrosion-resistant coating 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4668334
Mfg#:
4H0615601Q-P
In Stock
ON SALE! SAVE 15%
$207.99

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

$175.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Wheel Bolt - 14x1.5x40mm - Priced Per Pair

ES#4164435 - S17D40R13ZNNI2 - Ball Seat Wheel Bolt - 14x1.5x40mm - Priced Per Pair - Black zinc coated wheel bolts made specifically for OE wheels - ECS - Audi Volkswagen

Black zinc coated wheel bolts made specifically for OE wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4164435
Mfg#:
S17D40R13ZNNI2
In Stock
ON SALE! SAVE 25%
$12.99

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

$9.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 Front Lip Spoiler - Gloss Black & Grille Accent Set - Gloss Black

ES#4751328 - 028802ECS01EBKT - Audi B9 A4/S4 Front Lip Spoiler - Gloss Black & Grille Accent Set - Gloss Black - Upgrade your exterior styling! - Enthusiast Bundles - Audi

Upgrade your exterior styling! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
Fits up to 2019 model year with *pre-facelift* front bumpers

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751328
Mfg#:
028802ECS01EBKT
In Stock
ON SALE! SAVE 39%
$657.78

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

$399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Rotors - Pair (350x34)

ES#4067197 - 4M0615301ANKT2 - Front Brake Rotors - Pair (350x34) - Restore the stopping power in your vehicle - Zimmermann - Audi

Restore the stopping power in your vehicle We Price Match - Give Us A Call or Chat!

Brand:
Zimmermann - Corporate Logo
ES#:
4067197
Mfg#:
4M0615301ANKT2
In Stock
ON SALE! SAVE 42%
$384.99

This product was last offered at the strikethrough price on
05-07-2026

$224.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Track Edition Exhaust System - Audi B9 S4 3.0T

ES#4727526 - AWEB9S4TK - AWE Track Edition Exhaust System - Audi B9 S4 3.0T - Equipped with the same precision-engineering as its Touring Edition counterpart, minus the resonators up front and 180 Technology resonators in the rear. - AWE - Audi

Equipped with the same precision-engineering as its Touring Edition counterpart, minus the resonators up front and 180 Technology® resonators in the rear. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4727526
Mfg#:
AWEB9S4TK
In Stock at Vendor
ON SALE!
Starting at $2155.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Kit - 6 Bolt

ES#4905071 - 06m121013d0KT - Water Pump Kit - 6 Bolt - Genuine Replacement. Includes pulley and hardware - Genuine Volkswagen Audi - Audi

Genuine Replacement. Includes pulley and hardware Includes Updated 6-Bolt Water Pump and Pulley

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4905071
Mfg#:
06M121013D0KT
In Stock
$446.99

This product was last offered at the strikethrough price on
08-14-2026

$429.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Wheel Bearing/Hub Assembly - Priced each

ES#4812486 - 8W0501652D2KT - Rear Wheel Bearing/Hub Assembly - Priced each - Replace the right or left side and includes hardware - Assembled By ECS - Audi

Replace the right or left side and includes hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4812486
Mfg#:
8W0501652D2KT
In Stock
ON SALE!
$237.99

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

$231.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Carbon Fiber Engine Cover

ES#4690740 - MS100255 - APR Carbon Fiber Engine Cover - A full carbon fiber engine cover to enhance your engine bay! - APR - Audi

A full carbon fiber engine cover to enhance your engine bay! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4690740
Mfg#:
MS100255
Ships in 3 Business Days
ON SALE! SAVE 10%
$949.99

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

$854.96 USD
Free Shipping

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