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Audi S4 Performance Engine & Drivetrain Parts

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Transmission Mount Insert

ES#4620259 - 8K0399151DB - Transmission Mount Insert - 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#:
4620259
Mfg#:
8K0399151DB
In Stock
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Anodized Black Plates with APR Red Coil Packs

ES#4428745 - 0026862ECSKT - 2.0T Coil Pack Conversion Kit - Anodized Black Plates with APR Red Coil Packs - Unload your ICM's and update your 2.7T ignition system! - ECS - Audi

Unload your ICM's and update your 2.7T ignition system! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4428745
Mfg#:
0026862ECSKT
In Stock
ON SALE!
$866.99

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

$785.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5 Eventuri Intake System - Black Carbon

ES#3604844 - EVE-B9S5-CF-INT - Audi B9 S4/S5 Eventuri Intake System - Black Carbon - Developed to give less restrictive airflow to the turbo while maintaining low inlet temperatures - Optimum performance, precise fitment, and bespoke style! - Eventuri - Audi

Developed to give less restrictive airflow to the turbo while maintaining low inlet temperatures - Optimum performance, precise fitment, and bespoke style!

Brand:
Eventuri - Corporate Logo
ES#:
3604844
Mfg#:
EVE-B9S5-CF-INT
Ships in 5 Business Days
$1550.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

850 Strapped Series Twin Disc Clutch Kits

ES#4876008 - 02029-TDFR-X - 850 Strapped Series Twin Disc Clutch Kits - Bridge the gap between a single disc clutch and the original FX850 Twin Disc - Clutch Masters - Audi

Bridge the gap between a single disc clutch and the original FX850 Twin Disc Must be used with Clutch Masters Flywheel FW-029-B-TDS

Brand:
Clutch Masters - Corporate Logo
ES#:
4876008
Mfg#:
02029-TDFR-X
Ships in 7 Business Days
$1515.99 USD
Free Shipping

OEM Audi 2.9TT/4.0TT Direct Fuel Injector - Priced Each

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
Ships in 1-2 days
$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

034Motorsport 3.0 TFSI Supercharger Pulley Removal Tool

ES#4005448 - 034-145-Z037 - 034Motorsport 3.0 TFSI Supercharger Pulley Removal Tool - Features precision machined half-shells designed to perfectly clamp the supercharger pulley for easy removal - 034Motorsport - Audi Porsche

Features precision machined half-shells designed to perfectly clamp the supercharger pulley for easy removal 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4005448
Mfg#:
034-145-Z037
Ships in 10 Business Days
$248.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 4 Clutch Kit W/ Flywheel

ES#2602129 - 02029HDC4KT - Stage 4 Clutch Kit W/ Flywheel - Featuring a 4 puck ceramic disc and 12lb aluminum flywheel - Assembled By ECS - Audi

Featuring a 4 puck ceramic disc and 12lb aluminum flywheel 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602129
Mfg#:
02029HDC4KT
Ships in 1-2 days
$1499.99

This product was last offered at the strikethrough price on
09-11-2026

$1480.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete ECS Performance Engine Mount Kit - Audi B5 S4

ES#2723181 - 000805ECS03AKT - Complete ECS Performance Engine Mount Kit - Audi B5 S4 - Includes ECS performance polyurethane engine mount and snub mount - ECS - Audi

Includes ECS performance polyurethane engine mount and snub mount 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2723181
Mfg#:
000805ECS03AKT
Ships in 5 Business Days
ON SALE! SAVE 10%
$402.99

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

$362.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Carbon Fiber Intake System - Audi B9 S4/S5 3.0T (CI100043)

ES#4464978 - CI100043C3 - APR Carbon Fiber Intake System - Audi B9 S4/S5 3.0T (CI100043) - Looks as great as it performs - APR - Audi

Looks as great as it performs Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4464978
Mfg#:
CI100043C3
Ships in 5 Business Days
11% off MSRP

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

$1631.99

This product was last offered at the strikethrough price on
09-16-2026

$1449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cold Air Intake Stage 1

ES#2192982 - CI100023 - Cold Air Intake Stage 1 - Looks as great as it performs - APR - Audi

Looks as great as it performs Call In Or Chat For Best Price!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
2192982
Mfg#:
CI100023
EO#:
d-783-2
Back Ordered
11% off MSRP

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

$806.99

This product was last offered at the strikethrough price on
09-16-2026

$716.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Valve Spring Kit - Priced Per Spring

ES#4690063 - MS100258 - APR Valve Spring Kit - Priced Per Spring - Lighter, stiffer, and supports higher revving! - APR - Audi Volkswagen

Lighter, stiffer, and supports higher revving! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4690063
Mfg#:
MS100258
Ships in 5 Business Days
11% off MSRP

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

$69.99

This product was last offered at the strikethrough price on
09-16-2026

$61.99 USD
Free Shipping

Forge Motorsport Recirculating Valve - Black

ES#3980510 - FMDV13R - Forge Motorsport Recirculating Valve - Black - Engineered to remedy the failure issues experienced with the OEM solenoid valves when the diaphragm or plastic piston fails - Forge - Audi

Engineered to remedy the failure issues experienced with the OEM solenoid valves when the diaphragm or plastic piston fails

Brand:
Forge - Corporate Logo
ES#:
3980510
Mfg#:
FMDV13R
In Stock
$280.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik Intake Air Scoop - Audi B8 A4/A5/S4/S5

ES#3220796 - 017429ECS01 - Luft-Technik Intake Air Scoop - Audi B8 A4/A5/S4/S5 - Extends farther down behind the grille to direct more air to the intake system - ECS - Audi

Extends farther down behind the grille to direct more air to the intake system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3220796
Mfg#:
017429ECS01
In Stock
ON SALE! SAVE 54%
$216.99

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

$99.99 USD
Free Shipping

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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