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Audi S4 Performance Engine & Drivetrain Parts

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ES#3247798 - 5304988002526KT - RS4 K04 Turbochargers With Install Kit - Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware - Assembled By ECS - Audi

Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware 10X Entries Into Our F80 M3 Sweepstakes
Does NOT include the RS4 or modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:
Assembled By ECS - Corporate Logo
ES#:
3247798
Mfg#:
5304988002526KT
Ships in 2 Business Days
$3214.00

This product was last offered at the strikethrough price on
06-19-2026

$3211.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3106550 - ks4b8sstzKT - Stage 3 Endurance Clutch Kit - Designed for dedicated track cars. Conservatively rated at 650ft/lbs. - South Bend Clutch - Audi

Designed for dedicated track cars. Conservatively rated at 650ft/lbs.

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106550
Mfg#:
KS4B8SSTZKT
Ships on Nov 20, 2026
$3210.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#7820 - B5S4FLWF - Lightweight Flywheel, 112621 - Fidanza - Audi

*For use with Audi B7 RS4 Clutch Kit - ES2538757*

Brand:
Fidanza - Corporate Logo
ES#:
7820
Mfg#:
B5S4FLWF
Back Ordered
$640.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4415724 - DL501TLWFW - JHM DSG Aluminum Lightweight Flywheel - 14lb. flywheel for DL501 DSG Transmissions - JH Motorsports  - Audi

14lb. flywheel for DL501 DSG Transmissions For DL501 DSG Transmissions only

Brand:
JH Motorsports  - Corporate Logo
ES#:
4415724
Mfg#:
DL501TLWFW
In Stock
Limited Qty Sale
$1699.99

This product was last offered at the strikethrough price on
09-14-2026

$1597.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4508908 - 012535laKT - B8/C7 Center Differential And Axle Plug Delete Kit - A 100% reversible Quattro to RWD kit. - ECS - Audi

A 100% reversible Quattro to RWD kit. 10X Entries Into Our F80 M3 Sweepstakes
Please make sure via VIN that your Center Diff part number is 0B2 409 755 L

Brand:
ECS - Corporate Logo
ES#:
4508908
Mfg#:
012535LAKT
In Stock
ON SALE! SAVE 20%
$569.98

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

$455.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4057277 - MS100185 - APR Supercharger Dual Pulley Upgrade Kit - Dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger (Bolt-On SC Pulley) - APR - Audi

Dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger (Bolt-On SC Pulley) Call In Or Chat For Best Price!
*For models with factory bolt-on pulley (3.0T Gen 2 Simos 16.x) - APR Stage II software is required to ru

Brand:
APR - Corporate Logo
ES#:
4057277
Mfg#:
MS100185
In Stock
11% off MSRP

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

$701.99

This product was last offered at the strikethrough price on
11-03-2026

$623.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2952011 - 034-509-4001td - Track Density Line Transmission Mount  - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort 2X Entries Into Our F80 M3 Sweepstakes
Manual transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
2952011
Mfg#:
034-509-4001TD
In Stock
$118.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4164822 - 5304988002526KT3 - RS4 K04 Turbochargers  - Includes the left (K04-025) & right (K04-026) side turbochargers - BorgWarner - Audi

Includes the left (K04-025) & right (K04-026) side turbochargers Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:
BorgWarner - Corporate Logo
ES#:
4164822
Mfg#:
5304988002526KT3
In Stock
$3070.99

This product was last offered at the strikethrough price on
07-02-2026

$3067.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4642772 - iefuvo1KT - IE 3.0T High Pressure Fuel Pump (HPFP) Internal Upgrade Kit - With Install Tool - IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals - Integrated Engineering - Audi

IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals

Brand:
Integrated Engineering - Corporate Logo
ES#:
4642772
Mfg#:
IEFUVO1KT
In Stock
$508.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4005444 - 034-145-Z045  -  3.0 TFSI Supercharger Crank Pulley Upgrade - 179mm - Increase supercharger rotational speed to provide more boost to your engine - 034Motorsport - Audi

Increase supercharger rotational speed to provide more boost to your engine 2X Entries Into Our F80 M3 Sweepstakes
*To be used with Stage 2 software - Stage 2+ software necessary if used in conjunction with a supercharger pulley upgrade*

Brand:
034Motorsport - Corporate Logo
ES#:
4005444
Mfg#:
034-145-Z045
In Stock
$500.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5397015 - 06m906036aq - OEM Audi 2.9TT/4.0TT Direct Fuel Injector - Priced Each  - Maximum Power on Accompanying Stage 3 Tuning - Genuine Volkswagen Audi - Audi

Maximum Power on Accompanying Stage 3 Tuning

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5397015
Mfg#:
06M906036AQ
In Stock
$277.99

This product was last offered at the strikethrough price on
07-06-2026

$249.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2826504 - 003886ECS01AKT4 - Performance Lightweight Flywheel Clutch Kit - Stage 2 Endurance - ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 430ft/lbs - ECS - Audi
ECS Tuning recommends this product.

ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 430ft/lbs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2826504
Mfg#:
003886ECS01AKT4
In Stock
ON SALE! SAVE 10%
$3325.99

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

$2993.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2864561 - 034-108-3001 - Silicone Y-Pipe Hose Pair - Big Bore - Allows a full 2.5" diameter transition to the lower RS4 inlet pipes - 034Motorsport - Audi

Allows a full 2.5" diameter transition to the lower RS4 inlet pipes 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864561
Mfg#:
034-108-3001
In Stock
$296.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4629483 - 06m133026aktKT - Ultimate Turbocharger Installation Kit - All hardware required for a successful install utilizing genuine components. - Genuine Volkswagen Audi - Audi

All hardware required for a successful install utilizing genuine components.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4629483
Mfg#:
06M133026AKTKT
Ships in 1-2 days
$247.99

This product was last offered at the strikethrough price on
10-26-2026

$205.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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