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

ES#2568314 - 6-ECS-018 - Wheel Spacer & Bolt Kit - 8mm 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#:
2568314
Mfg#:
6-ECS-018
In Stock
ON SALE! SAVE 10%
$134.99

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

$121.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

5x112 To 5x130 Wheel Adapters - 71.5CB

ES#4501726 - 5X112-5X130-715 - 5x112 To 5x130 Wheel Adapters - 71.5CB - Allows you to run 5x130 wheels on your 5x112 hub. Bolts to your hub and has studs for quick mounting of your new wheels. - ECS - Audi

Allows you to run 5x130 wheels on your 5x112 hub. Bolts to your hub and has studs for quick mounting of your new wheels. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4501726
Mfg#:
5X112-5X130-715
Ships on Aug 10, 2026
Starting at $181.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

5x112 To 5x114.3 Wheel Adapters - 60.1CB

ES#4501725 - 5X112-5X1143-601 - 5x112 To 5x114.3 Wheel Adapters - 60.1CB - Allows you to run 5x114.3 wheels on your 5x112 hub. Bolts to your hub and has studs for quick mounting of your new wheels. - ECS - Audi

Allows you to run 5x114.3 wheels on your 5x112 hub. Bolts to your hub and has studs for quick mounting of your new wheels. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Sold in pairs (2) so you can dial in the exact offset you want if running staggered fitment wheels

Brand:
ECS - Corporate Logo
ES#:
4501725
Mfg#:
5X112-5X1143-601
Ships on Aug 31, 2026
Starting at $181.99 USD
Customize
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! 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 6, 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 2 Business Days
$180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Condenser

ES#4770467 - 8W0816421H - A/C Condenser - Restore that ice cold A/C! - Nissens - Audi

Restore that ice cold A/C! We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
4770467
Mfg#:
8W0816421H
Ships in 6 Business Days
$359.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8-Speed Automatic Transmission Service Kit - 7 Liters

ES#4772667 - 1001350130 - 8-Speed Automatic Transmission Service Kit - 7 Liters - Includes a new filter & transmission pan gasket with securing hardware. Includes enough fluid to drain and fill. - Meyle - Audi

Includes a new filter & transmission pan gasket with securing hardware. Includes enough fluid to drain and fill. 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#:
4772667
Mfg#:
1001350130
Ships on Nov 17, 2026
$359.99 USD
Free Shipping
on orders $49 and up

Interior Weather Protection Kit

ES#4810139 - 8w1061221a041KT - Interior Weather Protection Kit - Protect your car from dirt and spills - Genuine Volkswagen Audi - Audi

Protect your car from dirt and spills affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4810139
Mfg#:
8W1061221A041KT
Ships in 1 day
$356.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Titanium Ball Seat Wheel Bolt - 14x1.5x45mm - Set Of 20

ES#3570220 - 025384ecs02-0420 - Titanium Ball Seat Wheel Bolt - 14x1.5x45mm - Set Of 20 - Lightweight, corrosion resistant, high performance lug bolts - ECS - Audi Volkswagen

Lightweight, corrosion resistant, high performance lug bolts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Extended length bolts for use with 15mm to 17.5mm spacers

Brand:
ECS - Corporate Logo
ES#:
3570220
Mfg#:
025384ECS02-0420
In Stock
ON SALE! SAVE 15%
$416.99

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

$354.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JB4 Billet Aluminum Enclosure

ES#3672109 - JB4-BLT-ENCR - JB4 Billet Aluminum Enclosure - Stylish protective waterproof case for your JB1 or JB4 - Burger Motorsports - Audi Volkswagen Mercedes Benz MINI Porsche

Stylish protective waterproof case for your JB1 or JB4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
3672109
Mfg#:
JB4-BLT-ENCR
Ships in 1 Business Day
$59.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Floating Center Caps - Bronze - Priced Each

ES#4685760 - WHL00044 - APR Floating Center Caps - Bronze - Priced Each - Direct plug and play upgrade on APR wheels and other wheels. - APR - Audi BMW Volkswagen MINI Porsche

Direct plug and play upgrade on APR wheels and other wheels. Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4685760
Mfg#:
WHL00044
Ships in 5 Business Days
34% off MSRP

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

$66.99

This product was last offered at the strikethrough price on
07-09-2026

$43.99 USD
Free Shipping

Serpentine Belt

ES#4699371 - 06M903137T - Serpentine Belt - Replace your worn belt today before it breaks - Bando - Audi

Replace your worn belt today before it breaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bando - Corporate Logo
ES#:
4699371
Mfg#:
06M903137T
Back Ordered
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#4745319 - 079919523J - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Vemo - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
4745319
Mfg#:
079919523J
In Stock at Vendor
$40.99

This product was last offered at the strikethrough price on
04-27-2026

$38.99 USD
Free Shipping
on orders $49 and up

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

Rear Brake Rotors - Pair (330x22)

ES#3450260 - 8w0615601eKT - Rear Brake Rotors - Pair (330x22) - Restore the stopping power in your vehicle - Genuine Volkswagen Audi - Audi

Restore the stopping power in your vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3450260
Mfg#:
8W0615601EKT
Ships in 1 day
$357.99

This product was last offered at the strikethrough price on
02-26-2026

$348.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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