Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 Drivetrain Parts & Accessories

Sort By
Filter By
Return to Top

Rear Differential Mount Insert Kit - Black

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
Ships in 5 Business Days
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 IE Performance ECU Tune - Includes Stage 3 TCU Tune & POWERlink Cable

ES#4493297 - iesovz13TCU - Stage 3 IE Performance ECU Tune - Includes Stage 3 TCU Tune & POWERlink Cable - Easy upgrade into hybrid turbo power levels delivering up to 601HP and 615TQ. - Integrated Engineering - Audi

Easy upgrade into hybrid turbo power levels delivering up to 601HP and 615TQ. 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4493297
Mfg#:
IESOVZ13TCU
In Stock
$1977.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Automatic Transmission Fluid - 1 Liter

ES#3628524 - G0521621LDSP - Automatic Transmission Fluid - 1 Liter - Can be used in most ZF automatic transmissions - Genuine Volkswagen Audi - Audi Volkswagen

Can be used in most ZF automatic transmissions

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3628524
Mfg#:
G0521621LDSP
In Stock
$33.99 USD
Free Shipping
on orders $49 and up

Stage 3 Daily Clutch Kit

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 Aug 11, 2026
$1953.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#257249 - N90308607 - Allen Bolt - Priced Each - Install new hardware with your new parts. M8x14 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x14 Used to secure the clutch pressure plate

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257249
Mfg#:
N90308607
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.

$3.68

This product was last offered at the strikethrough price on
06-23-2026

$3.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shifter Rebuild Kit - Selector Shaft

ES#451040 - 8K0798151 - Shifter Rebuild Kit - Selector Shaft - All bushings & hardware for the selector shaft - Genuine Volkswagen Audi - Audi

All bushings & hardware for the selector shaft Manual transmission vehicles only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451040
Mfg#:
8K0798151
In Stock
8% off MSRP

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

$139.99

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

$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Screw - Priced Each

ES#2876900 - WHT000237A - Screw - Priced Each - Secures the wheel bearing to the spindle. M12x1.5x45 - Febi - Audi Volkswagen

Secures the wheel bearing to the spindle. M12x1.5x45 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2876900
Mfg#:
WHT000237A
In Stock
$3.99

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

$2.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Axle Assembly - Priced Each

ES#4057718 - 8D0501203X - Rear Axle Assembly - Priced Each - Complete rear axle assembly - TrakMotive - Audi

Complete rear axle assembly

Brand:
TrakMotive - Corporate Logo
ES#:
4057718
Mfg#:
8D0501203X
Ships in 2 Business Days
$196.99

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

Rear Differential Carrier Mount Insert Kit - Black

ES#4620258 - 8K0599257N - Rear Differential Carrier 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#:
4620258
Mfg#:
8K0599257N
Ships in 4 Business Days
$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B8 3.0T Stage 2 Performance Clutch Kit & Lightweight Flywheel & Drivetrain Mount Insert Kit

ES#4876408 - 048470LAEBKT - B8 3.0T Stage 2 Performance Clutch Kit & Lightweight Flywheel & Drivetrain Mount Insert Kit - Receive discounted Drivetrain Mount Inserts with your purchase of a Stage 2 Clutch & Lightweight Flywheel kit! - Enthusiast Bundles - Audi

Receive discounted Drivetrain Mount Inserts with your purchase of a Stage 2 Clutch & Lightweight Flywheel kit! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876408
Mfg#:
048470LAEBKT
Ships on Sep 25, 2026
ON SALE! SAVE 34%
$2897.46

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

$1899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM Helical Rear Limited Slip Differential

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 Aug 7, 2026
$949.99 USD
Free Shipping
on orders $49 and up

LEYO Billet DSG/Automatic Shift Knob - Black

ES#3677423 - L150B - LEYO Billet DSG/Automatic Shift Knob - Black - Replace your worn DSG/Automatic shift knob with this stylish billet alternative - LEYO - Audi Volkswagen

Replace your worn DSG/Automatic shift knob with this stylish billet alternative

Brand:
LEYO - Corporate Logo
ES#:
3677423
Mfg#:
L150B
Ships in 10 Business Days
Auto Notify
$144.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DSG Automatic Transmission Filter

ES#289203 - 0B5325429E - DSG Automatic Transmission Filter - Keep your fluid clean for a long lasting transmission - Genuine Volkswagen Audi - Audi

Keep your fluid clean for a long lasting transmission

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
289203
Mfg#:
0B5325429E
In Stock
15% off MSRP

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

$169.98

This product was last offered at the strikethrough price on
06-21-2026

$144.82 USD
Free Shipping
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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings