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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 - 12.5mm With Black Conical Seat Bolts

ES#2748285 - 002411ECS02AKT7 - Wheel Spacer & Bolt Kit - 12.5mm With Black 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 Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748285
Mfg#:
002411ECS02AKT7
In Stock
ON SALE! SAVE 25%
$209.99

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

$157.41 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

20" A01 Flow Formed Wheels - Set Of Four

ES#4499684 - WHL00021KT - 20" A01 Flow Formed Wheels - Set Of Four - 20"x9.0" ET42 5x112 - Satin Black - APR - Audi Volkswagen MINI Porsche

20"x9.0" ET42 5x112 - Satin Black Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4499684
Mfg#:
WHL00021KT
In Stock
$1799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Billet Adjustable Front Sway Bar End Links

ES#4381944 - 034-402-4033 - Dynamic+ Billet Adjustable Front Sway Bar End Links - Replace your flimsy, imprecise OEM sway bar end links with these performance engineered Dynamic+ Billet Adjustable Front Sway Bar End Links from 034Motorsport - 034Motorsport - Audi

Replace your flimsy, imprecise OEM sway bar end links with these performance engineered Dynamic+ Billet Adjustable Front Sway Bar End Links from 034Motorsport

Brand:
034Motorsport - Corporate Logo
ES#:
4381944
Mfg#:
034-402-4033
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$168.00

This product was last offered at the strikethrough price on
08-17-2026

$151.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Oil Sump And Oil Filter Kit

ES#4745579 - 0D5398009C - Transmission Oil Sump And Oil Filter Kit - Replacement transmission oil pan, includes gasket and filter - ZF - Audi

Replacement transmission oil pan, includes gasket and filter We Price Match - Give Us A Call or Chat!

Brand:
ZF - Corporate Logo
ES#:
4745579
Mfg#:
0D5398009C
In Stock
$168.95 USD
Free Shipping
on orders $49 and up

Street Density Transmission Mount

ES#3199888 - 0345094025 - Street Density Transmission Mount - Improve the performance of the factory transmission mount - 034Motorsport - Audi

Improve the performance of the factory transmission mount For vehicles with 8-Speed Automatic Transmission

Brand:
034Motorsport - Corporate Logo
ES#:
3199888
Mfg#:
0345094025
In Stock
ON SALE! SAVE 10%
$44.00

This product was last offered at the strikethrough price on
08-17-2026

$39.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Street Sport Motor Mounts

ES#4830891 - CTS-EM-MQL-60D - Street Sport Motor Mounts - Redefine the balance between comfort and performance - CTS - Audi

Redefine the balance between comfort and performance

Brand:
CTS - Corporate Logo
ES#:
4830891
Mfg#:
CTS-EM-MQL-60D
Ships in 7 Business Days
$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Billet Engine Oil Dipstick - Polished

ES#3545564 - 023954ECS01-01 - ECS Tuning Billet Engine Oil Dipstick - Polished - A beautiful addition and durable upgrade for your engine - ECS - Audi

A beautiful addition and durable upgrade for your engine

Brand:
ECS - Corporate Logo
ES#:
3545564
Mfg#:
023954ECS01-01
In Stock
ON SALE! SAVE 25%
$100.99

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

$75.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Brake Pad Kit - EBC YellowStuff

ES#4159088 - dp42277rKT - Front & Rear Brake Pad Kit - EBC YellowStuff - EBC's premium sport street pad that offers high friction levels and heat fade resistance - EBC - Audi

EBC's premium sport street pad that offers high friction levels and heat fade resistance

Brand:
EBC - Corporate Logo
ES#:
4159088
Mfg#:
DP42277RKT
In Stock
$374.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 17.5mm With Black Ball Seat Bolts

ES#2748288 - 6-ECS-023 - Wheel Spacer & Bolt Kit - 17.5mm With Black Ball Seat Bolts - Add some style to your Audi with these wheel spacers - ECS - Audi

Add some style to your Audi with these wheel spacers Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748288
Mfg#:
6-ECS-023
In Stock
ON SALE! SAVE 25%
$173.99

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

$130.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4475290 - 06m905606f1KT - Performance Ignition Service Kit - Includes six Red APR coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Red APR coil packs and OEM spark plugs to service your ignition system CARB certified for sale in all 50 states

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475290
Mfg#:
06M905606F1KT
EO#:
D-783-5
In Stock
$409.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#4620164 - g055190a2KT - Rear Differential Service Kit - Complete kit with Genuine fluids and drain plugs to service your rear differential - Genuine Volkswagen Audi - Audi

Complete kit with Genuine fluids and drain plugs to service your rear differential

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4620164
Mfg#:
G055190A2KT
Ships on Sep 15, 2026
Auto Notify
$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Oil Filter Kit - Priced Each

ES#4017143 - 06M198405F - Oil Filter Kit - Priced Each - Keep debris out of your oil and keep your engine running healthily - Hengst - Audi Porsche
ECS Tuning recommends this product.

Keep debris out of your oil and keep your engine running healthily We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
4017143
Mfg#:
06M198405F
In Stock
$17.99

This product was last offered at the strikethrough price on
06-18-2026

$17.50 USD
Free Shipping
on orders $49 and up

Audi B9 A4/S4 Transmission Street Shield Aluminum Skid Plate

ES#3979295 - 027567ecs01KT - Audi B9 A4/S4 Transmission Street Shield Aluminum Skid Plate - Protect your transmission pan and improve aerodynamics - ECS - Audi

Protect your transmission pan and improve aerodynamics

Brand:
ECS - Corporate Logo
ES#:
3979295
Mfg#:
027567ECS01KT
In Stock
ON SALE! SAVE 15%
$354.99

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

$301.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8-Speed Automatic Transmission Service Kit - 7 Liters

ES#4845359 - 0D5398009CKITKT2 - 8-Speed Automatic Transmission Service Kit - 7 Liters - Includes the necessary filter, plug, gasket, and ATF fluid to service your transmission - Assembled By ECS - Audi

Includes the necessary filter, plug, gasket, and ATF fluid to service your transmission

Brand:
Assembled By ECS - Corporate Logo
ES#:
4845359
Mfg#:
0D5398009CKITKT2
In Stock
ON SALE! SAVE 13%
$292.99

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

$253.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Spark Plug - Priced Each

ES#3181977 - 06M905606F - Spark Plug - Priced Each - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181977
Mfg#:
06M905606F
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.

$15.00

This product was last offered at the strikethrough price on
08-23-2026

$14.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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