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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Suspension Parts & Accessories

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Front Upper Control Arm - Straight - Left

ES#4789454 - 8W0407505E - Front Upper Control Arm - Straight - Left - Keep your suspension in top shape - Febi - Audi

Keep your suspension in top shape We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4789454
Mfg#:
8W0407505E
Ships in 1 Business Day
$72.99

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

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 A5/S5 RS5 Rear Adjustable Sway Bar

ES#4027362 - 022848ecs01KT - Audi B9 A4/S4 A5/S5 RS5 Rear Adjustable Sway Bar - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4027362
Mfg#:
022848ECS01KT
Ships on Nov 11, 2026
$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Sport Shock - Priced Each

ES#4698693 - 82401319SPORT - Rear Sport Shock - Priced Each - Tighten up your Audi with these Koni shocks - Koni - Audi

Tighten up your Audi with these Koni shocks For vehicles without electronic suspension

Brand:
Koni - Corporate Logo
ES#:
4698693
Mfg#:
82401319SPORT
Back Ordered
39% off MSRP

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

$308.99

This product was last offered at the strikethrough price on
10-09-2026

$189.99 USD
Free Shipping
on orders $49 and up

Front Upper Control Arm - Curved - Right

ES#4839751 - 8W0407510E - Front Upper Control Arm - Curved - Right - Keep your suspension in top shape - Febi - Audi

Keep your suspension in top shape We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4839751
Mfg#:
8W0407510E
Back Ordered
$71.99

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

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm - Curved - Left

ES#4852417 - 8W0407693B - Front Lower Control Arm - Curved - Left - Keep your suspension in top shape - Mevotech - Audi

Keep your suspension in top shape

Brand:
Mevotech
ES#:
4852417
Mfg#:
8W0407693B
Ships in 1 Business Day
$186.99

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

$178.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Left Rear Upper Control Arm

ES#3087079 - 8W0505323F - Left Rear Upper Control Arm - Keep your suspension tight - Genuine Volkswagen Audi - Audi

Keep your suspension tight

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3087079
Mfg#:
8W0505323F
Ships in 1-2 days
9% off MSRP

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

$383.99

This product was last offered at the strikethrough price on
10-09-2026

$350.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Right Rear Upper Control Arm

ES#4852549 - 8W0505324F - Right Rear Upper Control Arm - Keep your suspension tight - Mevotech - Audi

Keep your suspension tight

Brand:
Mevotech
ES#:
4852549
Mfg#:
8W0505324F
Ships in 1 Business Day
$186.99

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

$174.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Left Rear Upper Control Arm

ES#4852482 - 8W0505323F - Left Rear Upper Control Arm - Keep your suspension tight - Mevotech - Audi

Keep your suspension tight

Brand:
Mevotech
ES#:
4852482
Mfg#:
8W0505323F
Ships in 1 Business Day
$186.99

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

$174.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Racingline Sport Spring Set

ES#3570412 - VWR3141S4 - Racingline Sport Spring Set - Give your B9 S4 the ride height it deserves - The first upgrade to make to your car! - Racingline - Audi

Give your B9 S4 the ride height it deserves - The first upgrade to make to your car!

Brand:
Racingline - Corporate Logo
ES#:
3570412
Mfg#:
VWR3141S4
Ships in 2 Business Days
$338.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 A5/S5 RS5 Front Adjustable Sway Bar

ES#4027361 - 022847ecs01KT - Audi B9 A4/S4 A5/S5 RS5 Front Adjustable Sway Bar - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4027361
Mfg#:
022847ECS01KT
Ships on Feb 19, 2027
ON SALE! SAVE 10%
$374.81

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

$337.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Strut Mount - Pair

ES#5471116 - 4K0413333BKT - Front Upper Strut Mount - Pair - Keep your suspension in top shape - Genuine Volkswagen Audi - Audi

Keep your suspension in top shape For models with standard & sport suspension (PR-Codes 1BA, 1BE)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5471116
Mfg#:
4K0413333BKT
In Stock
$178.99

This product was last offered at the strikethrough price on
09-30-2026

$165.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Lateral Upper Control Arm - Right

ES#3233749 - 8W0505398F - Rear Lateral Upper Control Arm - Right - Keep your ride running like new! - Genuine Volkswagen Audi - Audi

Keep your ride running like new!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3233749
Mfg#:
8W0505398F
Ships in 1-2 days
9% off MSRP

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

$316.99

This product was last offered at the strikethrough price on
10-09-2026

$289.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Lateral Upper Control Arm - Left

ES#3233748 - 8W0505397F - Rear Lateral Upper Control Arm - Left - Keep your ride running like new! - Genuine Volkswagen Audi - Audi

Keep your ride running like new!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3233748
Mfg#:
8W0505397F
Ships in 3 Business Days
9% off MSRP

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

$316.99

This product was last offered at the strikethrough price on
10-09-2026

$289.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt (M10x80) - Priced Each

ES#2088452 - N10688301 - Hex Bolt (M10x80) - Priced Each - M10x80 - Hex head bolt with shoulder, Used in various areas on your European auto - Genuine Volkswagen Audi - Audi

M10x80 - Hex head bolt with shoulder, Used in various areas on your European auto Pinch bolt for front strut - Secures bottom of front strut to the suspension fork upright

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2088452
Mfg#:
N10688301
In Stock
11% off MSRP

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

$14.78

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

$13.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EMMOTION Rear Sway Bar - 22.2mm

ES#3199952 - EMD-B9Q-RSB - EMMOTION Rear Sway Bar - 22.2mm - Reduce body roll with this new sway bar from Emmanuele Design - Emmanuele Design - Audi

Reduce body roll with this new sway bar from Emmanuele Design

Brand:
Emmanuele Design - Corporate Logo
ES#:
3199952
Mfg#:
EMD-B9Q-RSB
Ships in 1 Business Day
$285.00 USD

More About Suspension Parts & Accessories

A good suspension holds you up, while keeping your tires safely planted on the road surface for good traction, braking, and handling. Even if you don't know jounce from rebound, we can help you choose suspension parts, accessories, and upgrades to match your car, driving style, and budget.

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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