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Audi S4 Performance Engine & Drivetrain Parts

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Performance Rear Differential Mount - Audi B5 A4/S4

ES#2730494 - 003248ECS01A - Performance Rear Differential Mount - Audi B5 A4/S4 - Increase drivetrain rigidity and response! - ECS - Audi

Increase drivetrain rigidity and response! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2730494
Mfg#:
003248ECS01A
In Stock
ON SALE! SAVE 25%
$243.99

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

$182.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B5 A4/S4 Manual - Driveshaft Center Support Bearing Carrier

ES#4609176 - 012158la01kt - B5 A4/S4 Manual - Driveshaft Center Support Bearing Carrier - As our beloved B5's age the stock center support bearing starts to wear out causing drivetrain clunk. This upgraded unit keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing - ECS - Audi

As our beloved B5's age the stock center support bearing starts to wear out causing drivetrain clunk. This upgraded unit keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing 10X Entries For Our 25th Anniversary Sweepstakes!
Manual Transmission B5 A4/S4

Brand:
ECS - Corporate Logo
ES#:
4609176
Mfg#:
012158LA01KT
In Stock
ON SALE! SAVE 25%
$302.99

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

$227.24 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Adjustable Metal Extended Slave Cylinder Kit

ES#4508665 - 8k0721257eKT - Adjustable Metal Extended Slave Cylinder Kit - Improve clutch pedal feel and the push clutch to start issue all at once! - Assembled By ECS - Audi

Improve clutch pedal feel and the push clutch to start issue all at once! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4508665
Mfg#:
8K0721257EKT
In Stock
$329.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Turner Baffled Oil Catch Can Kit - 6oz

ES#3458255 - 022798tms01-05KT - Complete Turner Baffled Oil Catch Can Kit - 6oz - A 4 chamber, baffled oil catch can complete with a universal mount and drain system! - Turner Motorsport - Audi BMW Volkswagen MINI Porsche

A 4 chamber, baffled oil catch can complete with a universal mount and drain system! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3458255
Mfg#:
022798TMS01-05KT
In Stock
ON SALE! SAVE 15%
$302.99

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

$257.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Engine Mount Kit - B6/B7 S4/RS4

ES#2708157 - 000805ECS02AKT - ECS Performance Engine Mount Kit - B6/B7 S4/RS4 - Performance engine mounts to increase drivetrain rigidity - ECS - Audi

Performance engine mounts to increase drivetrain rigidity 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2708157
Mfg#:
000805ECS02AKT
In Stock
ON SALE! SAVE 15%
$418.99

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

$356.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Short Throw Shifter - Audi B6/B7 A4/S4

ES#3023144 - 009198ECS01 - Adjustable Short Throw Shifter - Audi B6/B7 A4/S4 - Find your perfect setting with 3 steps of throw reduction - ECS - Audi

Find your perfect setting with 3 steps of throw reduction 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3023144
Mfg#:
009198ECS01
In Stock
ON SALE!
$393.99

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

$373.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Bushing Differential Mount Insert Kit

ES#2992520 - 008288ECS02 - Rear Bushing Differential Mount Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi Porsche

Decrease differential slop for better drivetrain response! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992520
Mfg#:
008288ECS02
In Stock
ON SALE! SAVE 25%
$115.99

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

$86.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B6/B7 Manual - Driveshaft Center Support Bearing Carrier

ES#4616120 - 012185la01KT - B6/B7 Manual - Driveshaft Center Support Bearing Carrier - As our beloved B6/B7 age the stock center support bearing starts to wear out causing drivetrain clunk. This upgrade keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing - ECS - Audi

As our beloved B6/B7 age the stock center support bearing starts to wear out causing drivetrain clunk. This upgrade keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4616120
Mfg#:
012185LA01KT
In Stock
ON SALE! SAVE 25%
$302.99

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

$227.24 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Front Position Rear Differential Mount Insert Kit

ES#2992519 - 008288ECS01 - Front Position Rear Differential Mount Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi Porsche

Decrease differential slop for better drivetrain response! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992519
Mfg#:
008288ECS01
In Stock
ON SALE! SAVE 25%
$95.99

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

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exact-Fit Stainless Steel Clutch Line

ES#3200644 - 017626ECS01 - Exact-Fit Stainless Steel Clutch Line - Improve clutch pedal feel with this simple, yet dramatic upgrade - ECS - Audi

Improve clutch pedal feel with this simple, yet dramatic upgrade 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3200644
Mfg#:
017626ECS01
In Stock
ON SALE! SAVE 20%
$89.99

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

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4 Intercooler Charge Pipe Kit

ES#3638868 - 023880ecs01aKT - Audi B9 S4 Intercooler Charge Pipe Kit - Increase intake air flow with our high flow charge pipes for your ECS Tuning or OEM intercooler! - ECS - Audi

Increase intake air flow with our high flow charge pipes for your ECS Tuning or OEM intercooler! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3638868
Mfg#:
023880ECS01AKT
In Stock
ON SALE! SAVE 20%
$448.99

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

$359.19 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. 5X Entries For Our 25th Anniversary Sweepstakes!

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

Billet R1 Diverter Valve - Priced Each

ES#8818 - DV100001 - Billet R1 Diverter Valve - Priced Each - Less maintenance, more boost - APR - Audi Volkswagen Porsche

Less maintenance, more boost Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

2 required

Brand:
APR - Corporate Logo
ES#:
8818
Mfg#:
DV100001
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.

$328.99

This product was last offered at the strikethrough price on
07-22-2026

$291.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 A4/S4/A5/S5/RS5 DSG / Automatic - Driveshaft Center Support

ES#4616351 - 012575la03KT - B8 A4/S4/A5/S5/RS5 DSG / Automatic - Driveshaft Center Support - As our beloved B8's age the stock center support bearing starts to wear out causing drivetrain clunk. This upgraded unit keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing - ECS - Audi

As our beloved B8's age the stock center support bearing starts to wear out causing drivetrain clunk. This upgraded unit keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4616351
Mfg#:
012575LA03KT
In Stock
ON SALE! SAVE 20%
$308.99

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

$247.19 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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 in 10 Business Days
$949.99 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

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Manufacturer names and/or part numbers are used only for identification purposes.

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