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Audi S4 Drivetrain Parts & Accessories

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Double Clutch Transmission Fluid (DCTF-1+) - 5 Liters

ES#5373786 - 83220440214-5 - Double Clutch Transmission Fluid (DCTF-1+) - 5 Liters - This Pentosin FFL-4 is a fully synthetic oil that will prolong the life of your double clutch transmission. - Pentosin - Audi BMW Mercedes Benz MINI

This Pentosin FFL-4 is a fully synthetic oil that will prolong the life of your double clutch transmission. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pentosin - Corporate Logo
ES#:
5373786
Mfg#:
83220440214-5
In Stock
$166.99 USD
Free Shipping
on orders $49 and up

Billet Aluminum Single-Mass Lightweight Flywheel

ES#3998858 - 034-503-1023 - Billet Aluminum Single-Mass Lightweight Flywheel - Weighing in at 13 lbs, allows for faster revving and easier rev matching when downshifting. - 034Motorsport - Audi

Weighing in at 13 lbs, allows for faster revving and easier rev matching when downshifting. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
To be paired with a B7 S4 clutch kit

Brand:
034Motorsport - Corporate Logo
ES#:
3998858
Mfg#:
034-503-1023
Ships in 2 Business Days
$792.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 4 FX400 Clutch Kit

ES#2828972 - 02029HDC6 - Stage 4 FX400 Clutch Kit - Features the Power Plus I Pressure Plate with a 6-puck ceramic disc - 170% increased holding capacity - Clutch Masters - Audi

Features the Power Plus I Pressure Plate with a 6-puck ceramic disc - 170% increased holding capacity affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Recommended to be used with Clutch Masters steel (FW-029-SF) or aluminum (FW-029-AL) flywheels

Brand:
Clutch Masters - Corporate Logo
ES#:
2828972
Mfg#:
02029HDC6
Ships in 2 Business Days
15% off MSRP

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

$922.99

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

$784.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Lightweight Flywheel Drag Clutch Kit - Stage 2

ES#3619835 - k70619-hd-bKT - Performance Lightweight Flywheel Drag Clutch Kit - Stage 2 - ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 500ft/lbs - ECS - Audi

ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 500ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3619835
Mfg#:
K70619-HD-BKT
Back Ordered
Auto Notify
ON SALE!
$3300.99

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

$3135.94 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#4620706 - G055190A2-2KT - Rear Differential Service Kit - Complete kit with Genuine fluids and drain plugs to service your rear differential - Genuine Volkswagen Audi - Audi

Complete kit with Genuine fluids and drain plugs to service your rear differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
for vehicles without sport diff

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4620706
Mfg#:
G055190A2-2KT
In Stock
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Clutch Slave Cylinder

ES#2622721 - 8E0721257M - Clutch Slave Cylinder - Restore the feel of your clutch - Sachs - Audi Volkswagen Porsche

Restore the feel of your clutch affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Sachs - Corporate Logo
ES#:
2622721
Mfg#:
8E0721257M
In Stock
68% off MSRP

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

$149.95

This product was last offered at the strikethrough price on
04-20-2026

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Lightweight Flywheel Clutch Kit - Stage 2 Endurance & Driveshaft Center Support

ES#4751549 - 003886ECS01EBKT - Performance Lightweight Flywheel Clutch Kit - Stage 2 Endurance & Driveshaft Center Support - ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 430ft/lbs - Enthusiast Bundles - Audi

ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 430ft/lbs Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751549
Mfg#:
003886ECS01EBKT
Back Ordered
Auto Notify
ON SALE! SAVE 13%
$3563.80

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

$3099.00 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Stage 3 Clutch Kit - With Lightweight Aluminum Flywheel (12lbs)

ES#1329 - B5S4S3CKFW - Stage 3 Clutch Kit - With Lightweight Aluminum Flywheel (12lbs) - Includes hardware and all related components. - Assembled By ECS - Audi

Includes hardware and all related components. 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#:
1329
Mfg#:
B5S4S3CKFW
Ships in 7 Business Days
$1546.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Clutch Master Cylinder

ES#2832727 - 8K1721401H - Clutch Master Cylinder - Includes clutch safety switch - Restore the feel of your clutch - Genuine Volkswagen Audi - Audi

Includes clutch safety switch - Restore the feel of your clutch affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2832727
Mfg#:
8K1721401H
Ships in 3 Business Days
8% off MSRP

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

$366.99

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

$335.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Rear Differential Mount Kit

ES#3172515 - 018327ecs01KT - Complete Rear Differential Mount Kit - Includes the ECS Rear Differential Mount and Carrier Mount Inserts! - ECS - Audi

Includes the ECS Rear Differential Mount and Carrier Mount Inserts! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3172515
Mfg#:
018327ECS01KT
Ships in 5 Business Days
ON SALE! SAVE 15%
$377.99

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

$321.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Axle Assembly - Priced Each

ES#4920078 - 8E0501203S - Rear Axle Assembly - Priced Each - Brand new axle, no core charge - TrakMotive - Audi

Brand new axle, no core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TrakMotive - Corporate Logo
ES#:
4920078
Mfg#:
8E0501203S
In Stock at Vendor
$195.99

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

$190.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI Heavy Weight Shift Knob - Red Alcantara / Black Anodized

ES#3478443 - GS2DGSRU - BFI Heavy Weight Shift Knob - Red Alcantara / Black Anodized - Just because your car doesn't have a third pedal, doesn't mean you should be stuck with some goofy shifter. - Black Forest Industries - Audi Volkswagen

Just because your car doesn't have a third pedal, doesn't mean you should be stuck with some goofy shifter. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
3478443
Mfg#:
GS2DGSRU
In Stock
$219.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3+ Clutch Kit

ES#2570136 - SA863F - Stage 3+ Clutch Kit - Features a full faced, carbon semi-metallic disc with a torque rating of 689 ft/lbs - Spec Clutches - Audi

Features a full faced, carbon semi-metallic disc with a torque rating of 689 ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spec Clutches - Corporate Logo
ES#:
2570136
Mfg#:
SA863F
Ships in 8 Business Days
$949.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Drain/Fill Plug - Priced Each

ES#469442 - N90281802 - Drain/Fill Plug - Priced Each - Commonly found as a drain or fill plug. M10x1x10 - Genuine Volkswagen Audi - Audi Volkswagen

Commonly found as a drain or fill plug. M10x1x10 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Torque Vectoring rear differentials

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469442
Mfg#:
N90281802
In Stock
25% off MSRP

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

$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Lightweight Flywheel clutch Kit - Stage 2 Daily - Audi B8 S4/S5 3.0T

ES#2826503 - 003886ECS01AKT3 - Performance Lightweight Flywheel clutch Kit - Stage 2 Daily - Audi B8 S4/S5 3.0T - ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 395ft/lbs - ECS - Audi

ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 395ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2826503
Mfg#:
003886ECS01AKT3
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$3142.99

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

$2828.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Tunnel Brace - Red - Audi B8/Porsche Macan

ES#3569141 - 023780ECS01-02 - Billet Tunnel Brace - Red - Audi B8/Porsche Macan - Replace your small and weak stamped brace with heavy-duty billet aluminum! - ECS - Audi Porsche

Replace your small and weak stamped brace with heavy-duty billet aluminum! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3569141
Mfg#:
023780ECS01-02
In Stock
ON SALE! SAVE 25%
$170.99

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

$128.24 USD
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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