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 Clear

Audi RS3 8V (2018+) 2.5T

    • 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 Audi RS3 8V (2018+) 2.5T
Your Vehicle Audi RS3 8V (2018+) 2.5T
Change Clear

Audi RS3 8V (2018+) 2.5T LSD & Differential Upgrades

Sort By
Filter By
Return to Top

Rear Differential Mount Insert Kit (3 Inserts) - Front and Rear Positions

ES#3221076 - 019797ecs01KT - Rear Differential Mount Insert Kit (3 Inserts) - Front and Rear Positions - Launch harder and improve your 0-60 times with our Rear Diff. Mount Insert Kit - ECS - Audi Volkswagen

Launch harder and improve your 0-60 times with our Rear Diff. Mount Insert Kit 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3221076
Mfg#:
019797ECS01KT
Ships in 4 Business Days
ON SALE! SAVE 25%
$191.97

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

$143.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Polyurethane Rear Subframe & Rear Differential Mount Insert Kit

ES#3432267 - 019860ECS03-03KT - Polyurethane Rear Subframe & Rear Differential Mount Insert Kit - Enhance driving dynamics and increase drivetrain rigidity and performance with our Rear End Bushing Insert Kit - ECS - Audi Volkswagen

Enhance driving dynamics and increase drivetrain rigidity and performance with our Rear End Bushing Insert Kit 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3432267
Mfg#:
019860ECS03-03KT
Ships on Nov 2, 2026
ON SALE! SAVE 10%
$265.99

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

$239.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WaveTrac Differential - Rear

ES#4620121 - 18.309.190WK - WaveTrac Differential - Rear - Wavetrac is the only gear diff on the market that does not lose all drive when one axle is unloaded. - Wavetrac - Audi

Wavetrac is the only gear diff on the market that does not lose all drive when one axle is unloaded.

Brand:
Wavetrac - Corporate Logo
ES#:
4620121
Mfg#:
18.309.190WK
Ships in 2 Business Days
$1695.00 USD
Free Shipping
on orders $49 and up

Rear Differential Mount Insert Kit (1 Insert) - Front Position

ES#3432408 - 019797ecs01-01KT - Rear Differential Mount Insert Kit (1 Insert) - Front Position - Launch harder and improve your 0-60 times with our Rear Diff. Mount Insert Kit - ECS - Audi Volkswagen

Launch harder and improve your 0-60 times with our Rear Diff. Mount Insert Kit 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3432408
Mfg#:
019797ECS01-01KT
In Stock
ON SALE! SAVE 25%
$63.99

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

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

034Motorsport Billet Aluminum DSG Oil Tube Kit

ES#4460861 - 034-504-Z022 - 034Motorsport Billet Aluminum DSG Oil Tube Kit - Designed to replace the factory failure-prone plastic oil tubes. - 034Motorsport - Audi

Designed to replace the factory failure-prone plastic oil tubes. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4460861
Mfg#:
034-504-Z022
Ships in 2 Business Days
$116.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Diff Bushing Installation Kit

ES#3493551 - 019860ECS02KT - Rear Diff Bushing Installation Kit - All the necessary TTY hardware required when installing rear-most differential bushings - Genuine Volkswagen Audi - Audi Volkswagen

All the necessary TTY hardware required when installing rear-most differential bushings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3493551
Mfg#:
019860ECS02KT
In Stock
$122.99

This product was last offered at the strikethrough price on
09-04-2026

$113.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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