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Audi B8/B8.5 S4 Quattro 3.0T

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Audi B8/B8.5 S4 Quattro 3.0T Suspension Parts & Accessories

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Front Coil Spring Seat Pad - Priced Each

ES#5425953 - 8K0412109A - Front Coil Spring Seat Pad - Priced Each - Fits left and right side - Hamburg Tech - Audi Porsche

Fits left and right side

Brand:
Hamburg Tech - Corporate Logo
ES#:
5425953
Mfg#:
8K0412109A
In Stock
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Damping Performance Coilover System - Audi B8/B8.5 & Thrust Arm Monoball Upgrade (M12 Ball Joints)

ES#4750975 - 025412ECS01EBKT - Adjustable Damping Performance Coilover System - Audi B8/B8.5 & Thrust Arm Monoball Upgrade (M12 Ball Joints) - Take control of your ride while going low with our sport-tuned coilover system! - Enthusiast Bundles - Audi

Take control of your ride while going low with our sport-tuned coilover system! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4750975
Mfg#:
025412ECS01EBKT
In Stock
ON SALE! SAVE 33%
$1872.98

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

$1249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 A4 and S4 Rear Adjustable Sway Bar

ES#4027350 - 022845ecs01KT - Audi B8/B8.5 A4 and S4 Rear Adjustable Sway Bar - Reduce body roll and increase cornering speed - ECS - Audi

Reduce body roll and increase cornering speed 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4027350
Mfg#:
022845ECS01KT
In Stock
ON SALE! SAVE 10%
$346.99

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

$312.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Coil Spring Seat Pad - Priced Each

ES#450641 - 8K0412109A - Front Coil Spring Seat Pad - Priced Each - Fits left and right side - Genuine Volkswagen Audi - Audi

Fits left and right side

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450641
Mfg#:
8K0412109A
Ships in 2 Business Days
ON SALE!
$49.99

This product was last offered at the strikethrough price on
06-25-2026

$47.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#2707374 - WHT004756A - Hex Bolt - Priced Each - Install new hardware with your new parts. M12x1.5x145x90 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M12x1.5x145x90 Secures the rear subframe to the vehicle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2707374
Mfg#:
WHT004756A
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.

$28.18

This product was last offered at the strikethrough price on
07-26-2026

$27.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Shock Bump Stop - Priced Each

ES#2872641 - 8K0512131B - Rear Shock Bump Stop - Priced Each - Fits the left and right side - 118mm - Febi - Audi

Fits the left and right side - 118mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872641
Mfg#:
8K0512131B
In Stock
$10.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar - 25.4mm

ES#3183689 - MRS-AU-1991 - Rear Sway Bar - 25.4mm - Reduce body roll and increase handling! - Megan Racing - Audi

Reduce body roll and increase handling!

Brand:
Megan Racing - Corporate Logo
ES#:
3183689
Mfg#:
MRS-AU-1991
Ships on Oct 27, 2026
Auto Notify
$168.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Radius Arm To Chassis Bushing - Street

ES#4046169 - PFF3-702 - Front Lower Radius Arm To Chassis Bushing - Street - Audi A4 / A5 / S5 / Q5 / SQ5 / RS4 Front Lower Radius Arm To Chassis Bushing - Street - Powerflex - Audi

Audi A4 / A5 / S5 / Q5 / SQ5 / RS4 Front Lower Radius Arm To Chassis Bushing - Street

Brand:
Powerflex - Corporate Logo
ES#:
4046169
Mfg#:
PFF3-702
Ships in 1 Business Day
$145.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar End Link - Priced Each

ES#2561116 - 8K0411317D - Front Sway Bar End Link - Priced Each - Fits the left and right side - Lemforder - Audi

Fits the left and right side We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
2561116
Mfg#:
8K0411317D
In Stock
$22.43

This product was last offered at the strikethrough price on
05-26-2026

$18.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#472621 - WHT001949 - Torx Bolt - Priced Each - Install new hardware with your new parts. M12x1.5x92 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M12x1.5x92 Secures the straight lower control arm to the subframe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472621
Mfg#:
WHT001949
In Stock
24% off MSRP

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

$19.47

This product was last offered at the strikethrough price on
07-26-2026

$14.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Front Strut Brace

ES#3970173 - 034-603-0010 - Billet Aluminum Front Strut Brace - Designed to limit lateral deflection from the strut towers and improve handling performance without sacrificing ride quality - 034Motorsport - Audi

Designed to limit lateral deflection from the strut towers and improve handling performance without sacrificing ride quality

Brand:
034Motorsport - Corporate Logo
ES#:
3970173
Mfg#:
034-603-0010
Ships in 2 Business Days
$554.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Lift Performance Coilover Kit

ES#4908433 - 79005 - Air Lift Performance Coilover Kit - Offers the ability to convert to a complete air suspension system via a coilover-to-air conversion kit (coming soon)! - Air Lift - Audi

Offers the ability to convert to a complete air suspension system via a coilover-to-air conversion kit (coming soon)!

Brand:
Air Lift - Corporate Logo
ES#:
4908433
Mfg#:
79005
Ships in 4 Business Days
$1095.00 USD

Adjustable Front Sway Bar End Links - Pair

ES#2864591 - 034-402-4006 - Adjustable Front Sway Bar End Links - Pair - Replace your flimsy, sloppy OEM sway bar end links with these performance engineered adjustable spherical endlinks - 034Motorsport - Audi

Replace your flimsy, sloppy OEM sway bar end links with these performance engineered adjustable spherical endlinks

Brand:
034Motorsport - Corporate Logo
ES#:
2864591
Mfg#:
034-402-4006
Back Ordered
$217.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Front Control Arm Hardware Kit

ES#4743356 - N10770901KT2 - Complete Front Control Arm Hardware Kit - Includes all of the front control arm securing hardware - Assembled By ECS - Audi

Includes all of the front control arm securing hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4743356
Mfg#:
N10770901KT2
In Stock
ON SALE!
$221.99

This product was last offered at the strikethrough price on
05-02-2026

$214.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Eccentric Bolt - Priced Each

ES#472238 - WHT000228A - Rear Eccentric Bolt - Priced Each - Located on the upper rear wheel bearing housing. M12x1.5x97.5 - Genuine Volkswagen Audi - Audi

Located on the upper rear wheel bearing housing. M12x1.5x97.5

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472238
Mfg#:
WHT000228A
In Stock
29% off MSRP

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

$28.33

This product was last offered at the strikethrough price on
07-26-2026

$20.05 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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