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Audi S4 Engine Parts & Accessories

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B9 S4/S5 Cat-Back Exhaust System - Non-Resonated (Louder)

ES#3466846 - SSXAU701 - B9 S4/S5 Cat-Back Exhaust System - Non-Resonated (Louder) - 2.50" stainless steel with quad GT-100 cerakote black tips - Milltek Sport - Audi

2.50" stainless steel with quad GT-100 cerakote black tips Fits models with factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3466846
Mfg#:
SSXAU701
Ships on Nov 13, 2026
$3507.99

This product was last offered at the strikethrough price on
08-17-2026

$3507.46 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Systems B9 S4/S5 3.0T Stage 2 Hybrid Turbocharger (650+ HP)

The Turbo Systems hybrid turbocharger is an original turbocharger that has been reworked to suit larger compressor and turbine wheels, along with a ball bearing cartridge.

Brand:
Emmanuele Design - Corporate Logo
ES#:
4415834
Mfg#:
TSH55TFSI-STG2
Ships in 1 Business Day
$3499.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - premium

ES#2823190 - 2332kt8 - Oil Service Kit - premium - Includes Hengst oil filter and Liqui-Moly High Tech 5w-40 oil - Assembled By ECS - Audi Volkswagen

Includes Hengst oil filter and Liqui-Moly High Tech 5w-40 oil 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2823190
Mfg#:
2332KT8
In Stock
ON SALE!
$149.99

This product was last offered at the strikethrough price on
08-31-2026

$138.68 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Aluminum Oil Filter Adapter

ES#5435534 - 06E115405KPRM - Aluminum Oil Filter Adapter - Secures to the engine block for housing the oil filter - URO - Audi Volkswagen Porsche

Secures to the engine block for housing the oil filter 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
5435534
Mfg#:
06E115405KPRM
In Stock
$107.99 USD
Free Shipping
on orders $49 and up

K03 Turbocharger - Right

ES#259914 - 078145702S - K03 Turbocharger - Right - Restore boost and get going! - BorgWarner - Audi

Restore boost and get going!

Brand:
BorgWarner - Corporate Logo
ES#:
259914
Mfg#:
078145702S
Back Ordered
$1166.99

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

$1148.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#513369 - N90813202 - Oil Drain Plug - Includes crush washer. M14x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Includes crush washer. M14x1.5

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
513369
Mfg#:
N90813202
In Stock
3% off MSRP

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

$7.80

This product was last offered at the strikethrough price on
10-23-2026

$7.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Intercooler Kit

ES#3569343 - 200001006KT - Upgraded Intercooler Kit - Bigger intercoolers with carbon air ducts - Wagner Tuning - Audi

Bigger intercoolers with carbon air ducts

Brand:
Wagner Tuning - Corporate Logo
ES#:
3569343
Mfg#:
200001006KT
Ships in 1 Business Day
$1140.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Control Module

ES#3233185 - 4M0906093N - Fuel Pump Control Module - Factory OEM Genuine Audi fuel pump control module (J538). - Genuine Volkswagen Audi - Audi

Factory OEM Genuine Audi fuel pump control module (J538).

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3233185
Mfg#:
4M0906093N
Ships in 1-2 days
12% off MSRP

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

$258.99

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

$227.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR 3.0 TFSI Ultracharger System

ES#3219160 - MS100128 - APR 3.0 TFSI Ultracharger System - Dramatically increases horsepower and torque, and maximizes the power potential of the 3.0 TFSI - APR - Audi

Dramatically increases horsepower and torque, and maximizes the power potential of the 3.0 TFSI Call In Or Chat For Best Price!
APR’s Ultracharger ECU Upgrade is included for those who currently have an APR Stage 2 ECU Upgrade. APR

Brand:
APR - Corporate Logo
ES#:
3219160
Mfg#:
MS100128
Back Ordered
ON SALE! SAVE 10%
$949.99

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

$854.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Intake System

ES#4835388 - B930TINT - Performance Intake System - maximize your airflow with more power, torque, and incredible induction sounds! - ARM Motorsports - Audi

maximize your airflow with more power, torque, and incredible induction sounds!

Brand:
ARM Motorsports - Corporate Logo
ES#:
4835388
Mfg#:
B930TINT
In Stock
$227.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#4845970 - 8K0201550N - Gas Cap - Includes seal and retaining strap - Bremmen Parts - Audi

Includes seal and retaining strap 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4845970
Mfg#:
8K0201550N
In Stock
ON SALE! SAVE 19%
$31.99

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

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal

ES#2918845 - 079103051F - Rear Crankshaft Seal - Also referred to as the rear main seal - Elring - Audi Volkswagen

Also referred to as the rear main seal 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2918845
Mfg#:
079103051F
In Stock
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM Exhaust Headers With Cats

For Manual Transmissions - Comes with cats and 2.5" cat back

Brand:
JH Motorsports - Corporate Logo
ES#:
5376133
Mfg#:
JHM-B6S-LTHM
Ships in 10 Business Days
$3386.99 USD
Free Shipping
on orders $49 and up

Motorsport StreetSport Engine Mounts - Pair

ES#4846368 - 034-509-0089 - Motorsport StreetSport Engine Mounts - Pair - Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. - 034Motorsport - Audi

Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4846368
Mfg#:
034-509-0089
In Stock
$677.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

premium Oil Service Kit

ES#2817110 - 2332KT5 - premium Oil Service Kit - Includes Mann oil filter and Liqui-Moly High Tech 5w-40 oil - Assembled By ECS - Audi

Includes Mann oil filter and Liqui-Moly High Tech 5w-40 oil 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2817110
Mfg#:
2332KT5
In Stock
ON SALE! SAVE 10%
$120.99

This product was last offered at the strikethrough price on
08-31-2026

$109.08 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Mass Air Flow Sensor (MAF)

ES#252386 - 077133471K - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Bosch - Audi

Restore fuel economy and performance We Price Match - Give Us A Call or Chat!
OEM RS4, larger diameter housing than Stock S4 allows increased air flow on high boosted engines

Brand:
Bosch - Corporate Logo
ES#:
252386
Mfg#:
077133471K
Ships in 1 Business Day
$218.99

This product was last offered at the strikethrough price on
10-14-2026

$210.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

Let us help you find the parts that fit your Audi

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