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Audi S4 Performance Engine & Drivetrain Parts

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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 Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4616351
Mfg#:
012575LA03KT
Ships in 7 Business Days
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

440cc Fuel Injectors - Set Of Six

ES#1895511 - 0280155968 - 440cc Fuel Injectors - Set Of Six - A drop-in injector commonly referred to as 'Green Giants' - Bosch - Audi

A drop-in injector commonly referred to as 'Green Giants' We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1895511
Mfg#:
0280155968
In Stock
$251.99

This product was last offered at the strikethrough price on
11-02-2026

$240.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Diverter Valve - Black

ES#3183557 - 034-145-5000-BLK - Billet Diverter Valve - Black - High-performance spring and piston design is both durable and a performer! - 034Motorsport - Audi Volkswagen

High-performance spring and piston design is both durable and a performer! 2X Entries Into Our F80 M3 Sweepstakes
2 required

Brand:
034Motorsport - Corporate Logo
ES#:
3183557
Mfg#:
034-145-5000-BLK
In Stock
$134.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Upgrade Kit

ES#3647325 - IEINCG3 - Throttle Body Upgrade Kit - Remove the final power restriction on your 3.0T with an over 20% higher flowing throttle body, fully releasing the complete power potential from your factory supercharger. - Integrated Engineering - Audi

Remove the final power restriction on your 3.0T with an over 20% higher flowing throttle body, fully releasing the complete power potential from your factory supercharger. * Existing IE Dual Pulley Upgrade Required *

Brand:
Integrated Engineering - Corporate Logo
ES#:
3647325
Mfg#:
IEINCG3
In Stock
$879.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM Solid Short Throw Shifter

ES#4046142 - STS-B8AS4AS5 - JHM Solid Short Throw Shifter - If you desire the ultimate in shifting, the JH Motorsports B8 A4/A5/S4 and S5 Solid Short Throw Shifter is the perfect solution! - JH Motorsports - Audi

If you desire the ultimate in shifting, the JH Motorsports B8 A4/A5/S4 and S5 Solid Short Throw Shifter is the perfect solution!

Brand:
JH Motorsports - Corporate Logo
ES#:
4046142
Mfg#:
STS-B8AS4AS5
Ships in 2 Business Days
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

P34 Cold Air Intake

ES#4381931 - 034-108-1028 - P34 Cold Air Intake - 034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration - 034Motorsport - Audi

034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4381931
Mfg#:
034-108-1028
In Stock
$556.00 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 Into Our F80 M3 Sweepstakes
Manual Transmission B5 A4/S4

Brand:
ECS - Corporate Logo
ES#:
4609176
Mfg#:
012158LA01KT
Ships on Jan 11, 2027
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

Stage 3 Daily Clutch Kit

Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 600ft/lbs.

Brand:
South Bend Clutch - Corporate Logo
ES#:
3698205
Mfg#:
K70619F-SS-O
Ships in 1 Business Day
$3841.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SuperDuper Turbo Inlet Pipe

ES#4642915 - 034-108-5036 - SuperDuper Turbo Inlet Pipe - Designed to maximize performance for Dynamic+ Stage 3 Hybrid Turbo Tuning Software - 034Motorsport - Audi

Designed to maximize performance for Dynamic+ Stage 3 Hybrid Turbo Tuning Software 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4642915
Mfg#:
034-108-5036
In Stock
$180.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Street Sport Engine Mount - Priced Each

ES#4070107 - CTS-EM-B8-50D - CTS Street Sport Engine Mount - Priced Each - 50 Durometer rubber construction - Single engine mount - CTS - Audi

50 Durometer rubber construction - Single engine mount *Priced as one single mount*

Brand:
CTS - Corporate Logo
ES#:
4070107
Mfg#:
CTS-EM-B8-50D
Ships in 1-3 days
ON SALE! SAVE 20%
$199.99

This product was last offered at the strikethrough price on
09-29-2026

$159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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!

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
11-02-2026

$291.99 USD
Free Shipping
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 Into Our F80 M3 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

Adjustable Short Throw Shifter

ES#2842154 - 004113ECS01A - Adjustable Short Throw Shifter - Find your perfect setting with 4 steps of throw reduction - ECS - Audi

Find your perfect setting with 4 steps of throw reduction 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2842154
Mfg#:
004113ECS01A
In Stock
ON SALE!
$471.99

This product was last offered at the strikethrough price on
10-28-2026

$448.39 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 Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2708157
Mfg#:
000805ECS02AKT
In Stock
ON SALE! SAVE 10%
$418.99

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

$377.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Supercharger Dual Pulley Upgrade Kit

ES#3634017 - MS100184 - APR Supercharger Dual Pulley Upgrade Kit - Dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger (Press-On SC Pulley) - APR - Audi Porsche

Dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger (Press-On SC Pulley) Call In Or Chat For Best Price!
Stage II software is required to run any upgraded Pulley configuration and is sold separately - Please se

Brand:
APR - Corporate Logo
ES#:
3634017
Mfg#:
MS100184
Ships on Nov 27, 2026
11% off MSRP

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

$731.95

This product was last offered at the strikethrough price on
11-02-2026

$649.95 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.

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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