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Audi A4 Performance Engine & Drivetrain Parts

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ES#2844955 - 8K0521101S - Driveshaft - Includes the commonly worn center bearing - Genuine Volkswagen Audi - Audi

Includes the commonly worn center bearing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2844955
Mfg#:
8K0521101S
Ships on Oct 5, 2026
5% off MSRP

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

$2411.99

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

$2296.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#5457149 - IETPCK7 - High-Flow Charge Pipe Kit - Flow without limits: The ultimate bolt-on upgrade for Audi B9 power, sound, and reliability. - Integrated Engineering - Audi

Flow without limits: The ultimate bolt-on upgrade for Audi B9 power, sound, and reliability. Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457149
Mfg#:
IETPCK7
In Stock
$379.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3132752 - 018327ECS01 -  Rear Differential Carrier Mount Bushing Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi

Decrease differential slop for better drivetrain response! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3132752
Mfg#:
018327ECS01
In Stock
$113.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4135253 - GRT-TBO-K51 - Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger - Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). - ATP - Audi Volkswagen

Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc

Brand:
ATP - Corporate Logo
ES#:
4135253
Mfg#:
GRT-TBO-K51
Ships in 6 Business Days
$2265.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3071902 - 017622ECS01A - Silicone Throttle Body Hose - Engineered to allow for maximum possible airflow - ECS - Audi

Engineered to allow for maximum possible airflow 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3071902
Mfg#:
017622ECS01A
In Stock
ON SALE! SAVE 25%
$118.99

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

$89.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3432394 - 034-106-7028 -  034Motorsport Billet Fuel Rail Upgrade Kit - Includes billet fuel rail, billet FPR adapter, hardware, and hoses for a simple drop-in installation - 034Motorsport - Audi Volkswagen

Includes billet fuel rail, billet FPR adapter, hardware, and hoses for a simple drop-in installation 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3432394
Mfg#:
034-106-7028
In Stock
$318.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4069832 - CTSFPK004 - CTS Turbo Stage 3 Fuel Pump Kit - Walbro 525 - Fuel pump system to support all the power that your engine can handle! - CTS - Audi Volkswagen

Fuel pump system to support all the power that your engine can handle!

Brand:
CTS - Corporate Logo
ES#:
4069832
Mfg#:
CTSFPK004
Ships in 7 Business Days
$444.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3714265 - 026305ECS02 - Audi B8 Adjustable Clutch Pedal Stop - Revolutionize your driving experience with our in-house designed Adjustable Clutch Pedal Stop! - ECS - Audi

Revolutionize your driving experience with our in-house designed Adjustable Clutch Pedal Stop! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3714265
Mfg#:
026305ECS02
In Stock
ON SALE! SAVE 20%
$43.99

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

$35.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3194637 - 019208ecs01KT1 -  Complete Drivetrain Mount Insert Kit - Decrease slop and increase drivetrain rigidity and response! - ECS - Audi

Decrease slop and increase drivetrain rigidity and response! 10X Entries Into Our F80 M3 Sweepstakes

Does not fit manual transmission models

Brand:
ECS - Corporate Logo
ES#:
3194637
Mfg#:
019208ECS01KT1
In Stock
ON SALE! SAVE 10%
$242.99

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

$218.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4505757 - 034-106-Z056 - High Pressure Fuel Pump Tool - Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze! - 034Motorsport - Audi

Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4505757
Mfg#:
034-106-Z056
In Stock
$28.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4620258 - 8K0599257N - Rear Differential Carrier Mount Insert Kit - Black - Enhance your driving experience by filling the bushing void. - JH Motorsports  - Audi

Enhance your driving experience by filling the bushing void.

Brand:
JH Motorsports  - Corporate Logo
ES#:
4620258
Mfg#:
8K0599257N
Ships in 1-2 days
$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2794491 - IERHVA2 - Forged H-Beam Connecting Rods - Set of 4 - Integrated Engineering - Audi Volkswagen

Set of 4 Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Drop-In rods for use with OEM pistons, or pistons with 19mm wrist pins

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794491
Mfg#:
IERHVA2
Ships in 4 Business Days
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2793894 - IERHVT2 - Forged H-Beam Connecting Rods  - Set of 4 connecting rods, to be paired with 21mm wrist pin aftermarket pistons (JE, Wiseco, Mahle ETC) - Integrated Engineering - Audi Volkswagen

Set of 4 connecting rods, to be paired with 21mm wrist pin aftermarket pistons (JE, Wiseco, Mahle ETC) Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

To be used with aftermarket pistons with 21mm wrist pin only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2793894
Mfg#:
IERHVT2
Ships in 4 Business Days
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3544026 - 034-101-1010 - 034Motorsport Catch Can Kit - Keep your intake tract clean and carbon free - 034Motorsport - Audi

Keep your intake tract clean and carbon free 2X Entries Into Our F80 M3 Sweepstakes
Not for vehicles with metal intake manifold (Flex Fuel)

Brand:
034Motorsport - Corporate Logo
ES#:
3544026
Mfg#:
034-101-1010
Ships in 2 Business Days
$717.00 USD
Free Shipping
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.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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