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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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Forge Turbo Blanket

ES#3411173 - FMTUBL1 - Forge Turbo Blanket - Keep your underhood temps low and your turbo speeds high! - Forge - Audi Volkswagen

Keep your underhood temps low and your turbo speeds high!

Brand:
Forge - Corporate Logo
ES#:
3411173
Mfg#:
FMTUBL1
In Stock
$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE HPFP Internal Upgrade Kit

ES#4706078 - iefuvz1KT - IE HPFP Internal Upgrade Kit - The largest volume possible piston and cylinder design to unlock fuel delivery for hybrid turbos and Stage 1/2 Plus ECU tunes. - Integrated Engineering - Audi

The largest volume possible piston and cylinder design to unlock fuel delivery for hybrid turbos and Stage 1/2 Plus ECU tunes.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4706078
Mfg#:
IEFUVZ1KT
Back Ordered
$448.99 USD
Free Shipping
on orders $49 and up

Water Pump - 4 Bolt

ES#4699390 - 06M121013D - Water Pump - 4 Bolt - New 4 bolt water pump. Does not include pulley - Hepu - Audi Porsche

New 4 bolt water pump. Does not include pulley

Brand:
Hepu - Corporate Logo
ES#:
4699390
Mfg#:
06M121013D
Ships in 1 Business Day
$274.99

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

$235.99 USD
Free Shipping
on orders $49 and up

Solenoid Valve - Priced Each

ES#2575254 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - Pierburg - Audi Volkswagen

Common cure for DTC P0441 For vehicle with productions dates up to 07/30/2020

Brand:
Pierburg - Corporate Logo
ES#:
2575254
Mfg#:
037906283C
In Stock
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drop In Replacement Air Filter

ES#3988613 - E-0646 - Drop In Replacement Air Filter - High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime - K&N - Audi

High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime

Brand:
K&N - Corporate Logo
ES#:
3988613
Mfg#:
E-0646
In Stock
$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4 S-Line / S4 Grille Accent Set - Gloss Black

ES#3991472 - 028800ECS01 - Audi B9 A4 S-Line / S4 Grille Accent Set - Gloss Black - Upgrade your exterior styling - ECS - Audi

Upgrade your exterior styling 10X Entries Into Our F80 M3 Sweepstakes

Fits up to 2019 model year with *pre-facelift* front bumpers

Brand:
ECS - Corporate Logo
ES#:
3991472
Mfg#:
028800ECS01
In Stock
ON SALE! SAVE 20%
$292.99

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

$234.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

1-Piece Front Brake Rotor Upgrade Kit - Pair (350mm X 34mm)

ES#5446386 - 034-301-1024 - 1-Piece Front Brake Rotor Upgrade Kit - Pair (350mm X 34mm) - Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use - 034Motorsport - Audi

Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5446386
Mfg#:
034-301-1024
In Stock
$397.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE HPFP Internal Upgrade

ES#4706077 - IEFUVZ1 - IE HPFP Internal Upgrade - The largest volume possible piston and cylinder design to unlock fuel delivery for hybrid turbos and Stage 1/2 Plus ECU tunes. - Integrated Engineering - Audi

The largest volume possible piston and cylinder design to unlock fuel delivery for hybrid turbos and Stage 1/2 Plus ECU tunes.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4706077
Mfg#:
IEFUVZ1
Back Ordered
$419.99 USD
Free Shipping
on orders $49 and up

Unitronic Intercooler Upgrade 3.0TFSI B9 S4/S5

ES#4362352 - UH017-ICA - Unitronic Intercooler Upgrade 3.0TFSI B9 S4/S5 - Direct OEM replacement kit featuring an over-sized bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and 79% more volume than OEM! - Unitronic - Audi

Direct OEM replacement kit featuring an over-sized bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and 79% more volume than OEM!

Brand:
Unitronic - Corporate Logo
ES#:
4362352
Mfg#:
UH017-ICA
Ships on Nov 18, 2026
$949.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Oil Filter Housing - EA839 2.9T/3.0T

ES#4505824 - 034-110-9003 - Billet Oil Filter Housing - EA839 2.9T/3.0T - CNC machined from 6061-T6 aluminum and anodized bright black for lifelong great looks - 034Motorsport - Audi

CNC machined from 6061-T6 aluminum and anodized bright black for lifelong great looks 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4505824
Mfg#:
034-110-9003
In Stock
$143.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front EP24 "Enthusiast Performance" Brake Pad Set

ES#4739100 - EP24-1894 - Front EP24 "Enthusiast Performance" Brake Pad Set - This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. - ECS - Audi

This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4739100
Mfg#:
EP24-1894
In Stock
ON SALE! SAVE 35%
$180.99

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

$117.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 10mm With Ball Seat Bolts

ES#2603073 - 002411ECS02AKT2 - Wheel Spacer & Bolt Kit - 10mm With Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install spacers 10X Entries Into Our F80 M3 Sweepstakes
Fits OE wheels, or wheels that use OE ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2603073
Mfg#:
002411ECS02AKT2
In Stock
ON SALE!
$140.99

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

$133.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Wheel Spacer Pair - 10mm

ES#4020172 - 034-604-7006 - 034Motorsport Wheel Spacer Pair - 10mm - Designed to fit most Audi & Volkswagen vehicles with a 66.5mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi

Designed to fit most Audi & Volkswagen vehicles with a 66.5mm center bore and 5x112mm wheel bolt patterns. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4020172
Mfg#:
034-604-7006
In Stock
$98.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Oil Pan With Oil Change Kit

ES#4830302 - 0D5398009Bkit1 - Transmission Oil Pan With Oil Change Kit - Includes oil drain plug, gasket, pan, 7-Liter ATF, and hardware! - Vaico - Audi

Includes oil drain plug, gasket, pan, 7-Liter ATF, and hardware! We Price Match - Give Us A Call or Chat!
For vehicles from the 2020 model year only

Brand:
Vaico - Corporate Logo
ES#:
4830302
Mfg#:
0D5398009BKIT1
Ships in 1 Business Day
$915.99 USD
Free Shipping
on orders $49 and up

Titanium Ball Seat Wheel Bolt - 14x1.5x27mm - Priced Each

ES#3552850 - 025384ECS02-01 - Titanium Ball Seat Wheel Bolt - 14x1.5x27mm - Priced Each - Lightweight, corrosion resistant, high performance lug bolt - ECS - Audi Volkswagen

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

Brand:
ECS - Corporate Logo
ES#:
3552850
Mfg#:
025384ECS02-01
In Stock
ON SALE! SAVE 25%
$32.99

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

$24.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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