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 B9 S4 Quattro 3.0T

    • 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 B9 S4 Quattro 3.0T
Your Vehicle Audi B9 S4 Quattro 3.0T
Change Clear

Audi B9 S4 Quattro 3.0T Performance Suspension Parts & Upgrades

Sort By
Filter By
Return to Top

Front Sway Bar Bushing Kit

ES#3603475 - 034-402-Z018 - Front Sway Bar Bushing Kit - Rebuild kit for the 034Motorsport adjustable front sway bar - 034Motorsport - Audi

Rebuild kit for the 034Motorsport adjustable front sway bar

Brand:
034Motorsport - Corporate Logo
ES#:
3603475
Mfg#:
034-402-Z018
In Stock
ON SALE! SAVE 10%
$29.00

This product was last offered at the strikethrough price on
08-17-2026

$26.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lowering Spring Install Kit

ES#4753384 - n90648402KT - Lowering Spring Install Kit - All the required hardware to install your lowering springs - Genuine Volkswagen Audi - Audi

All the required hardware to install your lowering springs For vehicles with production date from 02/24/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4753384
Mfg#:
N90648402KT
Ships in 1 day
$184.99

This product was last offered at the strikethrough price on
05-04-2026

$181.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Toe Arms With Spherical Bearings

ES#4447729 - AK-275-A - Adjustable Rear Toe Arms With Spherical Bearings - Solid spherical bushings and adjustable lengths for perfectly dialed in camber settings. Adjustment range of +/-3.00 Degrees - GODSPEED - Audi

Solid spherical bushings and adjustable lengths for perfectly dialed in camber settings. Adjustment range of +/-3.00 Degrees

Brand:
GODSPEED - Corporate Logo
ES#:
4447729
Mfg#:
AK-275-A
Ships in 7 Business Days
$180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bushing Grease Pouch - Priced Each

ES#3624102 - WPGREASE - Bushing Grease Pouch - Priced Each - Properly lubricate your SuperPro polyurethane bushings - SuperPro - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Properly lubricate your SuperPro polyurethane bushings

Brand:
SuperPro - Corporate Logo
ES#:
3624102
Mfg#:
WPGREASE
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up

Audi A4 / A5 / S5 / Q5 / SQ5 / RS4 Front Lower Radius Arm To Chassis Bushing (Caster Adjustable 75mm) - Street

ES#4829860 - PFF3-702G - Audi A4 / A5 / S5 / Q5 / SQ5 / RS4 Front Lower Radius Arm To Chassis Bushing (Caster Adjustable 75mm) - Street - Eliminate deflection caused by stock rubber bushings! - Powerflex - Audi

Eliminate deflection caused by stock rubber bushings!

Brand:
Powerflex - Corporate Logo
ES#:
4829860
Mfg#:
PFF3-702G
Ships in 1 Business Day
ON SALE! SAVE 15%
$200.99

This product was last offered at the strikethrough price on
08-14-2026

$170.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

KW 8mm Rebound Adjustment Extension - 300mm Long

ES#4758655 - 68525017 - KW 8mm Rebound Adjustment Extension - 300mm Long - These rebound extensions aim to make adjusting your coilovers more accessible - KW Suspension - Audi Volkswagen

These rebound extensions aim to make adjusting your coilovers more accessible

Brand:
KW Suspension - Corporate Logo
ES#:
4758655
Mfg#:
68525017
Ships in 4 Business Days
$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW Rebound Extension - 8mm Wrench - 150mm Long

ES#4140395 - 68525014 - KW Rebound Extension - 8mm Wrench - 150mm Long - These rebound extensions aim to make adjusting your coilovers more accessible and are availablie in a variey of sizes. Be sure to verify the correct size of the piston rod hex before ordering. - KW Suspension - Audi Volkswagen

These rebound extensions aim to make adjusting your coilovers more accessible and are availablie in a variey of sizes. Be sure to verify the correct size of the piston rod hex before ordering.

Brand:
KW Suspension - Corporate Logo
ES#:
4140395
Mfg#:
68525014
Ships in 4 Business Days
$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Radius Arm To Chassis Bushing - Black Series

Audi A4 / A5 / S5 / Q5 / SQ5 / RS4 Front Lower Radius Arm to Chassis Bushing

Brand:
Powerflex Black Series - Corporate Logo
ES#:
4046172
Mfg#:
PFF3-702BLK
Back Ordered
ON SALE! SAVE 15%
$166.99

This product was last offered at the strikethrough price on
08-14-2026

$141.94 USD
Free Shipping
on orders $49 and up

4-Wire XBT RGB Bluetooth Controller

ES#3214417 - LED152 - 4-Wire XBT RGB Bluetooth Controller - Easily control all of your RGB LED's from one place! - Morimoto - Audi BMW Volkswagen MINI

Easily control all of your RGB LED's from one place!

Brand:
Morimoto - Corporate Logo
ES#:
3214417
Mfg#:
LED152
Ships on Sep 8, 2026
$90.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rebuild Kit For Dynamic+ Billet Adjustable Rear Sway Bar End Links - Audi B9/B9.5, C8, 4M, 4M8 Chassis

ES#4880874 - 034-402-Z049 - Rebuild Kit For Dynamic+ Billet Adjustable Rear Sway Bar End Links - Audi B9/B9.5, C8, 4M, 4M8 Chassis - This rebuild kit contains new Dynamic+ Rod Ends, Jamb Nuts, Anti-Seize, and accompanying nuts and washers. - 034Motorsport - Audi

This rebuild kit contains new Dynamic+ Rod Ends, Jamb Nuts, Anti-Seize, and accompanying nuts and washers.

Brand:
034Motorsport - Corporate Logo
ES#:
4880874
Mfg#:
034-402-Z049
Ships in 2 Business Days
ON SALE! SAVE 10%
$45.00

This product was last offered at the strikethrough price on
08-17-2026

$40.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar Bushing Kit

ES#3603476 - 034-402-Z019 - Rear Sway Bar Bushing Kit - Rebuild kit for the 034Motorsport adjustable rear sway bar - 034Motorsport - Audi

Rebuild kit for the 034Motorsport adjustable rear sway bar

Brand:
034Motorsport - Corporate Logo
ES#:
3603476
Mfg#:
034-402-Z019
Ships in 2 Business Days
ON SALE! SAVE 10%
$29.00

This product was last offered at the strikethrough price on
08-17-2026

$26.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Pinch Hardware Bolt & Nut - Priced Each

This bolt and nut replacement kit has a 720 hour salt spray certified coating Pinch bolt for upper control arms - Secures ball joints to the top of the knuckle

Brand:
SPC - Corporate Logo
ES#:
4715446
Mfg#:
21045
Ships in 2 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thrust Arm Monoball Upgrade Kit - Front Lower, Inner & B9 A4 / S4 Lowering Spring Set

ES#4876603 - 051204LA01EBKT - Thrust Arm Monoball Upgrade Kit - Front Lower, Inner & B9 A4 / S4 Lowering Spring Set - Eliminate deflection caused by stock rubber bushings and Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. - Enthusiast Bundles - Audi

Eliminate deflection caused by stock rubber bushings and Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876603
Mfg#:
051204LA01EBKT
In Stock
ON SALE! SAVE 13%
$747.46

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

$652.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Performance Air Ride Kit

ES#3972075 - 78571 - Front Performance Air Ride Kit - Allow your B9 Audi to sit on the ground! - Air Lift - Audi

Allow your B9 Audi to sit on the ground! For vehicles with 48.5mm front lower mounts

Brand:
Air Lift - Corporate Logo
ES#:
3972075
Mfg#:
78571
Ships in 4 Business Days
$1386.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Suspension Parts & Upgrades

Your car's performance and ride quality are effectively determined by your suspension. Find all the replacement and upgrade solutions for your dampers, springs, control arms, and more in our suspension catalog.

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