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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Most Popular Parts

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18" Rotiform CVT Wheels - Set Of Four

ES#4745473 - r1281885f3+35KT - 18" Rotiform CVT Wheels - Set Of Four - 18x8.5 ET35 5X112 66.6CB - Matte Anthracite - Rotiform - Audi BMW Mercedes Benz MINI

18x8.5 ET35 5X112 66.6CB - Matte Anthracite affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rotiform - Corporate Logo
ES#:
4745473
Mfg#:
R1281885F3+35KT
Back Ordered
$1088.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Brake Rotors - Pair (330x22)

ES#2747911 - 4H0615601HKT2 - Rear Brake Rotors - Pair (330x22) - Featuring a protective Platinum coating - Meyle - Audi

Featuring a protective Platinum coating 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:
Meyle - Corporate Logo
ES#:
2747911
Mfg#:
4H0615601HKT2
In Stock
$135.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

17.5mm Wheel Spacers - Black (Pair)

ES#3476435 - 021460TMS03-06 - 17.5mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476435
Mfg#:
021460TMS03-06
In Stock
ON SALE!
$162.99

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

$154.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Service Kit

ES#4505166 - 4M0615301AN7KT - Front Brake Service Kit - Featuring Zimmermann rotors and ECS DD23 ceramic brake pads - Includes rotor set screws, brake wear sensor, and silicone brake lubricant - Assembled By ECS - Audi

Featuring Zimmermann rotors and ECS DD23 ceramic brake pads - Includes rotor set screws, brake wear sensor, and silicone brake lubricant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4505166
Mfg#:
4M0615301AN7KT
In Stock
ON SALE! SAVE 22%
$690.99

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

$539.66 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Grille - Dark Chrome High Gloss/Chrome

ES#4008290 - 8W0853651DTT94 - Radiator Grille - Dark Chrome High Gloss/Chrome - Bring your cars looks back to life - Genuine Volkswagen Audi - Audi

Bring your cars looks back to life affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For S-Line models from the 2020 model year (Facelift) only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4008290
Mfg#:
8W0853651DTT94
Special Order: No Guaranteed ETA
8% off MSRP

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

$1176.99

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

$1076.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Axle Assembly - Right

ES#3186604 - 8W0501204F - Rear Axle Assembly - Right - Driveshaft with inner and outer CV joints - Genuine Volkswagen Audi - Audi

Driveshaft with inner and outer CV joints affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3186604
Mfg#:
8W0501204F
Ships in 7 Business Days
4% off MSRP

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

$1123.99

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

$1075.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 8mm With Ball Seat Bolts

ES#2177183 - 6-ECS-018 - Wheel Spacer & Bolt Kit - 8mm With Ball Seat Bolts - Add some flair to your Audi with our new wheel spacers - ECS - Audi

Add some flair to your Audi with our new wheel spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2177183
Mfg#:
6-ECS-018
In Stock
ON SALE! SAVE 10%
$148.99

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

$134.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Street Shield Hardware Kit

ES#3468577 - 019207ECS02KT - Engine Street Shield Hardware Kit - Replacement hardware kit for your front location ECS Street Shield - ECS - Audi

Replacement hardware kit for your front location ECS Street Shield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3468577
Mfg#:
019207ECS02KT
In Stock
ON SALE! SAVE 10%
$90.99

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

$81.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 5mm With Conical Seat Bolts

ES#2568311 - 6-ECS-015 - Wheel Spacer & Bolt Kit - 5mm With Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2568311
Mfg#:
6-ECS-015
In Stock
ON SALE! SAVE 25%
$156.99

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

$117.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Suspension Installation Kit

ES#3691715 - 8w0412377KT - Front Suspension Installation Kit - Includes front strut mounts and associated hardware for a complete front suspension installation - Genuine Volkswagen Audi - Audi

Includes front strut 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#:
3691715
Mfg#:
8W0412377KT
Ships in 2 Business Days
$320.99

This product was last offered at the strikethrough price on
03-31-2026

$264.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Rear Subframe Insert Set

ES#5435532 - HW-561 - CTS Turbo Rear Subframe Insert Set - Lock down your B9 Audi's chassis and eliminate rear subframe flex with CTS Turbos billet aluminum insert set, delivering sharper handling and instant power transfer with minimal NVH. - CTS - Audi

Lock down your B9 Audi's chassis and eliminate rear subframe flex with CTS Turbo’s billet aluminum insert set, delivering sharper handling and instant power transfer with minimal NVH. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
5435532
Mfg#:
HW-561
Ships in 7 Business Days
$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Slotted Brake Rotors - Pair (350x34)

ES#4872025 - EMD-35034-PR - Front Slotted Brake Rotors - Pair (350x34) - Upgrade your looks and performance with a set of slotted rotors! - Emmanuele Design - Audi

Upgrade your looks and performance with a set of slotted rotors! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
4872025
Mfg#:
EMD-35034-PR
Ships in 9 Business Days
$349.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" F1R F103 Wheels - Set Of Four

18x8.5 ET38 5X112 66.6CB - Gloss Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
F1R Wheels - Corporate Logo
ES#:
4858566
Mfg#:
F10318855112B3KT
Ships on Jul 27, 2026
$1040.00 USD
This product is lifetime replacement eligible Lifetime Replacement

18" F1R FS3 Wheels - Set Of Four

ES#4858338 - fs318855112gb3KT - 18" F1R FS3 Wheels - Set Of Four - 18x8.5 ET35 5X112 66.6CB - Gloss Black - F1R Wheels - Audi BMW Mercedes Benz MINI

18x8.5 ET35 5X112 66.6CB - Gloss Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
F1R Wheels - Corporate Logo
ES#:
4858338
Mfg#:
FS318855112GB3KT
Back Ordered
$1040.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Active Motor Mount Resistor Bypass - Priced Each

ES#4846369 - 034-708-0006 - Active Motor Mount Resistor Bypass - Priced Each - Used to remove the soft code caused by replacing the failure-prone factory "active" mounts with 034Motorsport Density Line & Motorsport Spec Engine Mounts. One required per mount. - 034Motorsport - Audi

Used to remove the soft code caused by replacing the failure-prone factory "active" mounts with 034Motorsport Density Line & Motorsport Spec Engine Mounts. One required per mount. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4846369
Mfg#:
034-708-0006
Ships in 3 Business Days
ON SALE! SAVE 10%
$14.00

This product was last offered at the strikethrough price on
06-28-2026

$12.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

12.5mm Wheel Spacers - Black (Pair)

ES#3476431 - 021460TMS03-02 - 12.5mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476431
Mfg#:
021460TMS03-02
Ships on Sep 9, 2026
Auto Notify
ON SALE! SAVE 53%
$243.99

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

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

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