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Audi S4 Drivetrain Parts & Accessories

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Flywheel

ES#2586405 - 079105266B - Flywheel - Direct OE replacement flywheel - LUK - Audi

Direct OE replacement flywheel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to VIN# 8E-5-084001, splits in the 2005 model year

Brand:
LUK - Corporate Logo
ES#:
2586405
Mfg#:
079105266B
In Stock at Vendor
$1250.99

This product was last offered at the strikethrough price on
05-07-2026

$1215.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Flange Shaft Bolt - Priced Each

ES#2766096 - N90441103 - Front Flange Shaft Bolt - Priced Each - Zinc plated, 8mm Allen-head bolt secures the axle assembly to the transmission. M10x20 - ECS - Audi Volkswagen

Zinc plated, 8mm Allen-head bolt secures the axle assembly to the transmission. M10x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For automatic transmission only

Brand:
ECS - Corporate Logo
ES#:
2766096
Mfg#:
N90441103
In Stock
ON SALE! SAVE 40%
$2.99

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

$1.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B6/B7 S4 4.2L Lightweight Flywheel

ES#5457109 - 042804la02KT - Audi B6/B7 S4 4.2L Lightweight Flywheel - Enhance throttle response, acceleration, and clutch feel with our lightweight flywheel upgrade 29% lighter than the OE dual-mass! - ECS - Audi

Enhance throttle response, acceleration, and clutch feel with our lightweight flywheel upgrade — 29% lighter than the OE dual-mass! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
5457109
Mfg#:
042804LA02KT
In Stock
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

BFI GS Manual Shift Knob Adapter - Black

ES#4044969 - 4234-033BG - BFI GS Manual Shift Knob Adapter - Black - A simple solution for fastening your GS style shift knob to your selector lever. - Black Forest Industries - Audi Volkswagen

A simple solution for fastening your GS style shift knob to your selector lever. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
4044969
Mfg#:
4234-033BG
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Clutch Pedal Switch

ES#1862302 - 7H0927189 - Clutch Pedal Switch - Located behind the clutch pedal - Genuine Volkswagen Audi - Audi

Located behind the clutch pedal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1862302
Mfg#:
7H0927189
In Stock
39% off MSRP

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

$71.99

This product was last offered at the strikethrough price on
02-23-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Daily Clutch Kit

ES#3106506 - k70286ssoKT - Stage 3 Daily Clutch Kit - Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 480ft/lbs. - South Bend Clutch - Audi

Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 480ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Works with stock flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106506
Mfg#:
K70286SSOKT
Ships in 2 Business Days
$1171.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Inner CV Gasket - Priced Each

ES#429771 - 8D0407309A - Inner CV Gasket - Priced Each - Gasket between the axle joint & flange - Genuine Volkswagen Audi - Audi Volkswagen

Gasket between the axle joint & flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
429771
Mfg#:
8D0407309A
In Stock
33% off MSRP

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

$29.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Triple Square Bolt - Priced Each

ES#5117 - N90668201 - Triple Square Bolt - Priced Each - Install new hardware with your new parts. M10x48x26 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M10x48x26 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the driveshaft to the differential

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5117
Mfg#:
N90668201
In Stock
27% off MSRP

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

$10.99

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

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Billet Flexplate

ES#4500291 - FP-060AM-HD - Lightweight Billet Flexplate - Prevent your stock flexplate from cracking with this Billet unit! - Clutch Masters - Audi

Prevent your stock flexplate from cracking with this Billet unit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Clutch Masters - Corporate Logo
ES#:
4500291
Mfg#:
FP-060AM-HD
Ships in 7 Business Days
$572.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Mount Bushing Insert Kit

ES#3161730 - 019208ecs01KT - Rear Differential Mount Bushing Insert Kit - Decrease differential bushing deflection for better drivetrain response! - ECS - Audi

Decrease differential bushing deflection for better drivetrain response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3161730
Mfg#:
019208ECS01KT
In Stock
$126.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8-Speed Automatic Transmission Service Kit - 7 Liters

ES#4845352 - 0D5398009CKITKT - 8-Speed Automatic Transmission Service Kit - 7 Liters - Includes the necessary filter, plug, gasket, and ATF fluid to service your transmission - Genuine Volkswagen Audi - Audi

Includes the necessary filter, plug, gasket, and ATF fluid to service your transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4845352
Mfg#:
0D5398009CKITKT
Ships in 3 Business Days
$1134.99 USD
Free Shipping
on orders $49 and up

Track Density Line Transmission Mount - Priced Each

ES#2951986 - 034-509-4046td - Track Density Line Transmission Mount - Priced Each - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits the left and right side

Brand:
034Motorsport - Corporate Logo
ES#:
2951986
Mfg#:
034-509-4046TD
Back Ordered
Auto Notify
$95.00

This product was last offered at the strikethrough price on
12-11-2025

$42.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Manual Transmission Service Kit

ES#3647785 - n0438092ktKT - Manual Transmission Service Kit - Featuring 3 Quarts of Redline MT-90 fluid & OEM Drain & Fill Plugs to service your transmission. M24x1.5 - Assembled By ECS - Audi Volkswagen

Featuring 3 Quarts of Redline MT-90 fluid & OEM Drain & Fill Plugs to service your transmission. M24x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647785
Mfg#:
N0438092KTKT
In Stock
ON SALE!
$102.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Drive Axle Shoulder Bolt - Priced Each

ES#2802057 - 4B0407643A - Drive Axle Shoulder Bolt - Priced Each - Secures the axle assembly to the hub. M16x1.5x72 - Rein - Audi Volkswagen

Secures the axle assembly to the hub. M16x1.5x72 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802057
Mfg#:
4B0407643A
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI GS2 Heavy Weight Shift Knob - Machined Finish - Air Leather

Weighing in at approximately 215 grams the added inertial mass makes shifting effort substantially less while speeding up the process at the same time. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Flag
ES#:
4840384
Mfg#:
GS2MA
Ships on Jun 29, 2026
Starting at $184.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Drivetrain Parts & Accessories

Put your power to the wheels where it belongs, and keep drivetrain components mounted securely for comfort and safety. Our Drivetrain Components Section has a huge assortment of parts and fluids for transmissions, differentials, driveshafts, drivetrain mounts, drivetrain bushings, and drive hubs, plus special tools to make repairs easy.

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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