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Audi S4 Drivetrain Parts & Accessories

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ES#3106520 - k70398fssoKT - Stage 3 Daily Clutch Kit - Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 525ft/lbs. - South Bend Clutch - Audi

Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 525ft/lbs. Includes single mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106520
Mfg#:
K70398FSSOKT
Ships on Nov 9, 2026
$1953.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3074093 - NCV23626 - Rear Axle Assembly - Priced Each - Complete driveshaft with CV joints; ready for installation - GSP North America - Audi

Complete driveshaft with CV joints; ready for installation

Brand:
GSP North America - Corporate Logo
ES#:
3074093
Mfg#:
NCV23626
In Stock
$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 10X Entries Into Our F80 M3 Sweepstakes

For automatic transmission only

Brand:
ECS - Corporate Logo
ES#:
2766096
Mfg#:
N90441103
In Stock
ON SALE! SAVE 25%
$2.99

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

$2.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4045950 - B6B7RearLSDMT - JHM Helical Rear Limited Slip Differential - Helical gears respond to changes in traction conditions very quickly - Improves traction and predictability of vehicle behavior: both rear wheels will spin at the same rate. - JH Motorsports  - Audi

Helical gears respond to changes in traction conditions very quickly - Improves traction and predictability of vehicle behavior: both rear wheels will spin at the same rate. *Fitment confirmed in ETS, EXZ, & ETQ diff codes - Does not fit in some 2007+ differential cases - Please see fitment notes in product description for co

Brand:
JH Motorsports  - Corporate Logo
ES#:
4045950
Mfg#:
B6B7REARLSDMT
Ships on Nov 5, 2026
$949.99 USD
Free Shipping
on orders $49 and up
ES#3515005 - 4H0498625A - Wheel Bearing - Priced Each - Fits the left and right side - Does not include hardware - GSP North America - Audi

Fits the left and right side - Does not include hardware

Brand:
GSP North America - Corporate Logo
ES#:
3515005
Mfg#:
4H0498625A
Ships in 5 Business Days
$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3161730
Mfg#:
019208ECS01KT
In Stock
ON SALE!
$129.99

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

$126.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3186604 - 8W0501204F - Rear Axle Assembly - Right  - Driveshaft with inner and outer CV joints - Genuine Volkswagen Audi - Audi

Driveshaft with inner and outer CV joints

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3186604
Mfg#:
8W0501204F
Back Ordered
$1075.99

This product was last offered at the strikethrough price on
08-31-2026

$944.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3074072 - NCV23596 - Front Axle Assembly - Right - Complete driveshaft with CV joints; ready for installation - GSP North America - Audi

Complete driveshaft with CV joints; ready for installation

Brand:
GSP North America - Corporate Logo
ES#:
3074072
Mfg#:
NCV23596
Ships in 4 Business Days
$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4265701 - 90304A226 - Pan Head Torx Screw - Priced Each - Bolts transmission oil pan to transmission. M6x20 - Bremmen Parts - Audi

Bolts transmission oil pan to transmission. M6x20 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4265701
Mfg#:
90304A226
In Stock
ON SALE! SAVE 39%
$3.99

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

$2.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3447630 - 8E0721257Q - Clutch Slave Cylinder - A common source for hard to engage gears - Sachs - Audi

A common source for hard to engage gears We Price Match - Give Us A Call or Chat!
From VIN 8E-4-270001, split is in the 2004 model year

Brand:
Sachs - Corporate Logo
ES#:
3447630
Mfg#:
8E0721257Q
Ships in 2 Business Days
$87.97

This product was last offered at the strikethrough price on
08-26-2026

$83.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2993008 - 034-509-0047 - Motorsport TrackSport Engine Mount Pair - Density line rubber damping to maximize strength and durability - 034Motorsport - Audi

Density line rubber damping to maximize strength and durability 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2993008
Mfg#:
034-509-0047
Ships in 3 Business Days
$611.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4620269 - 8K0599381H - Rear Differential Mount Insert Kit - Black - 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#:
4620269
Mfg#:
8K0599381H
In Stock
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#467288 - N10037106 - Drain/Fill Plug - Priced Each - Removed to drain or fill your transmission/differential fluid. M22x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Removed to drain or fill your transmission/differential fluid. M22x1.5

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467288
Mfg#:
N10037106
In Stock
3% off MSRP

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

$14.88

This product was last offered at the strikethrough price on
10-20-2026

$14.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#315854 - 1K0407357C - Axle Bolt Backing Plate - Priced Each - Sits behind axle bolts to allow for proper distribution of torque - Genuine Volkswagen Audi - Audi Volkswagen

Sits behind axle bolts to allow for proper distribution of torque

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315854
Mfg#:
1K0407357C
In Stock
$8.99 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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