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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 Sway Bar Link Bushings - Street - 10mm

ES#4869770 - PFF3-913-10 - Front Sway Bar Link Bushings - Street - 10mm - Replace your worn & loose and spongy stock rubber bushings! - Powerflex - Audi Porsche

Replace your worn & loose and spongy stock rubber bushings! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
PFF3-913-10 fits vehicles with 170mm long anti roll bar links with a 10mm bolt.

Brand:
Powerflex - Corporate Logo
ES#:
4869770
Mfg#:
PFF3-913-10
In Stock
$128.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Suspension Installation Kit

ES#3691721 - 8w0513353KT - Rear Suspension Installation Kit - Includes rear shock mounts and associated hardware for a complete front suspension installation - Genuine Volkswagen Audi - Audi

Includes rear shock mounts and associated hardware for a complete front suspension installation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with standard & sport suspension (PR-Codes 1BA, 1BE)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3691721
Mfg#:
8W0513353KT
Ships in 2 Business Days
$393.99

This product was last offered at the strikethrough price on
07-04-2026

$387.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Control Arm - Straight - Left

Keep your suspension in top shape affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4789454
Mfg#:
8W0407505E
In Stock at Vendor
$72.99

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 Bushing - Inner - Priced Each

ES#3695376 - 8K0407183F - Front Lower Control Arm Bushing - Inner - Priced Each - Fits the right or left side. 75mm - URO - Audi

Fits the right or left side. 75mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3695376
Mfg#:
8K0407183F
Ships in 1 Business Day
$24.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Right Rear Suspension Track Bar

ES#3013218 - 4M0505292D - Right Rear Suspension Track Bar - A key component of the suspension system that connects the chassis to the axle - Genuine Volkswagen Audi - Audi

A key component of the suspension system that connects the chassis to the axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3013218
Mfg#:
4M0505292D
Ships in 1 day
8% off MSRP

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

$134.99

This product was last offered at the strikethrough price on
07-06-2026

$123.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Control Arm - Curved - Right

Keep your suspension in top shape affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4839751
Mfg#:
8W0407510E
In Stock at Vendor
$71.99

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

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B4 OE Replacement Front Strut - Priced Each

ES#4390624 - 24-275019 - B4 OE Replacement Front Strut - Priced Each - Engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. - Bilstein - Audi

Engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bilstein - Corporate Logo
ES#:
4390624
Mfg#:
24-275019
In Stock
$185.00 USD
Free Shipping
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4027362
Mfg#:
022848ECS01KT
Ships on Oct 1, 2026
Auto Notify
ON SALE!
$380.99

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

$361.94 USD
Free Shipping
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
GODSPEED - Corporate Logo
ES#:
4447729
Mfg#:
AK-275-A
Ships in 9 Business Days
$180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar End Link - Priced Each

ES#4761578 - 4M0411317L - Front Sway Bar End Link - Priced Each - Fits the left and right side - Genuine Volkswagen Audi - Audi

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4761578
Mfg#:
4M0411317L
Ships in 2 Business Days
8% off MSRP

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

$129.99

This product was last offered at the strikethrough price on
07-06-2026

$118.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mevotech
ES#:
4852549
Mfg#:
8W0505324F
In Stock at Vendor
$191.99

This product was last offered at the strikethrough price on
01-11-2026

$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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mevotech
ES#:
4852482
Mfg#:
8W0505323F
In Stock at Vendor
$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

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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4027361
Mfg#:
022847ECS01KT
Ships on Nov 12, 2026
Auto Notify
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

Rear Toe Link - Left

ES#3087072 - 8W0501529D - Rear Toe Link - Left - Make your driving experience more comfortable and safer - Genuine Volkswagen Audi - Audi

Make your driving experience more comfortable and safer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3087072
Mfg#:
8W0501529D
Ships in 3 Business Days
8% off MSRP

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

$176.99

This product was last offered at the strikethrough price on
07-06-2026

$161.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm Bushing - Inner - Priced Each

ES#3219998 - 8K0407183F - Front Lower Control Arm Bushing - Inner - Priced Each - Fits the right or left side. 75mm - Lemforder - Audi

Fits the right or left side. 75mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
3219998
Mfg#:
8K0407183F
In Stock at Vendor
$64.35

This product was last offered at the strikethrough price on
04-21-2026

$63.78 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
3570412
Mfg#:
VWR3141S4
Ships in 2 Business Days
ON SALE! SAVE 10%
$338.99

This product was last offered at the strikethrough price on
07-01-2026

$304.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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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