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Audi S4 Drivetrain Parts & Accessories

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Lightweight Flywheel, 112621

ES#7820 - B5S4FLWF - Lightweight Flywheel, 112621 - Fidanza - Audi

*For use with Audi B7 RS4 Clutch Kit - ES2538757*

Brand:
Fidanza - Corporate Logo
ES#:
7820
Mfg#:
B5S4FLWF
In Stock
$640.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Mechatronic Unit With Software

ES#4056043 - 8K2927156MXKT - Remanufactured Mechatronic Unit With Software - Price includes refundable $400 core charge - Genuine Volkswagen Audi - Audi

Price includes refundable $400 core charge *For models with 7 speed DSG (S-Tronic) transmissions with NSC trans code - Please verify existing part number with VIN prior to ordering*

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4056043
Mfg#:
8K2927156MXKT
In Stock
$4435.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Mechatronics Control Unit

ES#4005814 - 8k2927156muKT - Remanufactured Mechatronics Control Unit - Price includes a $520 refundable core charge - Genuine Volkswagen Audi - Audi

Price includes a $520 refundable core charge For models with NSC transmission code - Please contact with VIN to verify fitment

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4005814
Mfg#:
8K2927156MUKT
Ships in 1-2 days
$4435.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Rear Differential Mount - Audi B6/B7 A4/S4

ES#2717984 - 003249ECS01 - Performance Rear Differential Mount - Audi B6/B7 A4/S4 - Increase drivetrain rigidity and response! - ECS - Audi

Increase drivetrain rigidity and response! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2717984
Mfg#:
003249ECS01
In Stock
ON SALE!
$235.99

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

$228.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mechatronics Control Unit - With Core Charge

The price includes a refundable $450 core charge. For models with PWW, SKM transmission code - Please contact with VIN to verify fitment

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4620730
Mfg#:
8K5927156DXKT
Ships in 8 Business Days
$4324.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Automatic Transmission Fluid - 1 Liter - Green

ES#465422 - G060162A2 - Automatic Transmission Fluid - 1 Liter - Green - Keep your transmission fluid clean - Genuine Volkswagen Audi - Audi Volkswagen

Keep your transmission fluid clean

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465422
Mfg#:
G060162A2
Ships Today
4% off MSRP

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

$91.20

This product was last offered at the strikethrough price on
07-22-2026

$87.41 USD
Free Shipping
on orders $49 and up

JHM Solid Linkage and Cross Rod Upgrade

ES#4046009 - JHM-B8LnkXRod - JHM Solid Linkage and Cross Rod Upgrade - Increase the durability and longevity of your linkage components while dramatically improving the shifting experience of your B8 Audi! - JH Motorsports - Audi

Increase the durability and longevity of your linkage components while dramatically improving the shifting experience of your B8 Audi!

Brand:
JH Motorsports - Corporate Logo
ES#:
4046009
Mfg#:
JHM-B8LNKXROD
Ships in 2 Business Days
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Clutch Slave Cylinder

ES#451029 - 8K0721257A - Clutch Slave Cylinder - Restore the feel of your clutch - Genuine Volkswagen Audi - Audi

Restore the feel of your clutch

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451029
Mfg#:
8K0721257A
In Stock
2% off MSRP

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

$251.99

This product was last offered at the strikethrough price on
07-22-2026

$246.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Assembly - Priced Each

ES#4057748 - 8K0407271AJ - Front Axle Assembly - Priced Each - Restore your drivetrain - TrakMotive - Audi

Restore your drivetrain

Brand:
TrakMotive - Corporate Logo
ES#:
4057748
Mfg#:
8K0407271AJ
Ships in 2 Business Days
$235.99

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

$229.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throwout Bearing & Guide Sleeve

ES#3137649 - 0B4198165 - Throwout Bearing & Guide Sleeve - Recommended to be replaced with the clutch - Ina - Audi

Recommended to be replaced with the clutch We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3137649
Mfg#:
0B4198165
In Stock
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Transmission Mount - Priced Each

ES#2951985 - 034-509-4046sd - Street Density Line Transmission Mount - Priced Each - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort Fits the left and right side

Brand:
034Motorsport - Corporate Logo
ES#:
2951985
Mfg#:
034-509-4046SD
Ships in 5 Business Days
$96.00

This product was last offered at the strikethrough price on
05-01-2026

$75.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Short Throw Shifter Kit

ES#4304757 - B8014A1 - Ultimate Short Throw Shifter Kit - The ONLY short throw that drastically reduces throw length, slop, and flex under load. Includes a Short Shift Clamp and Billet Shifter Mounting Plate with upgraded billet slider bushings. - JXB Performance - Audi

The ONLY short throw that drastically reduces throw length, slop, and flex under load. Includes a Short Shift Clamp and Billet Shifter Mounting Plate with upgraded billet slider bushings. For manual transmissions only.

Brand:
JXB Performance - Corporate Logo
ES#:
4304757
Mfg#:
B8014A1
In Stock
$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

flywheel needle bearing

ES#1851987 - 0B1105561C - flywheel needle bearing - Allows the flywheel to ride smoothly on the input shaft - Genuine Volkswagen Audi - Audi

Allows the flywheel to ride smoothly on the input shaft For manual transmission vehicles

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1851987
Mfg#:
0B1105561C
In Stock
ON SALE! SAVE 23%
$111.73

This product was last offered at the strikethrough price on
05-14-2026

$85.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Bearing

ES#4826859 - 8W0407625G - Wheel Bearing - Fits the left and right side. - Hudson - Audi

Fits the left and right side.

Brand:
Hudson - Corporate Logo
ES#:
4826859
Mfg#:
8W0407625G
Ships in 1-2 days
$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Steel Flywheel (20lbs)

ES#3090723 - SA44S - Lightweight Steel Flywheel (20lbs) - Single mass lightweight flywheel - Reduce rotating mass, unleash hidden power - Spec Clutches - Audi

Single mass lightweight flywheel - Reduce rotating mass, unleash hidden power

Brand:
Spec Clutches - Corporate Logo
ES#:
3090723
Mfg#:
SA44S
Ships in 4 Business Days
$799.00 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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