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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Most Popular Parts

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RS Ignition Service Kit

ES#3691929 - 06h905110lkt3 - RS Ignition Service Kit - Add 8V RS3/B9 S4 spark with these red top coil packs and RS7 spark plugs for the ultimate ignition service kit for your 1.8T/2.0T Gen3 engine! - Assembled By ECS - Audi Volkswagen

Add 8V RS3/B9 S4 spark with these red top coil packs and RS7 spark plugs for the ultimate ignition service kit for your 1.8T/2.0T Gen3 engine! 10X Entries Into Our F80 M3 Sweepstakes
1 heat range colder than OE plug

Brand:
Assembled By ECS - Corporate Logo
ES#:
3691929
Mfg#:
06H905110LKT3
In Stock
ON SALE!
$242.20

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

$235.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 12.5mm With Black Ball Seat Bolts

ES#2748284 - 002411ECS02AKT6 - Wheel Spacer & Bolt Kit - 12.5mm With Black Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install spacers 10X Entries Into Our F80 M3 Sweepstakes
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748284
Mfg#:
002411ECS02AKT6
In Stock
ON SALE! SAVE 25%
$224.99

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

$168.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Iridium Pro Spark Plug - Set Of Four

ES#4616188 - z1003100-4KT - APR Iridium Pro Spark Plug - Set Of Four - An excellent upgrade for tuned engines. 14X26.5X16mm - Heat Range 9 - APR - Audi Volkswagen Porsche

An excellent upgrade for tuned engines. 14X26.5X16mm - Heat Range 9 Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4616188
Mfg#:
Z1003100-4KT
Back Ordered
Auto Notify
$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ End User Flashing Kit R4 (Flashing Device Only - Tuning Not Included)

ES#4684889 - 034-103-3306 - Dynamic+ End User Flashing Kit R4 (Flashing Device Only - Tuning Not Included) - End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. - 034Motorsport - Audi Volkswagen

End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. 2X Entries Into Our F80 M3 Sweepstakes
The 034SPI Mobile App is only available on vehicles with Dynamic+ Tuning installed. You must purchase Dynamic+ Tuning for your Audi or Volkswagen to access the Dynamic+ Flashing Suite and 034SPI Mobile Application.

Brand:
034Motorsport - Corporate Logo
ES#:
4684889
Mfg#:
034-103-3306
EO#:
D-850
In Stock
ON SALE! SAVE 14%
$180.00

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

$153.90 USD
Free Shipping

Billet Aluminum Transmission Mount Insert

ES#3176060 - 034-509-4053 - Billet Aluminum Transmission Mount Insert - This billet aluminum insert is designed to fill the large void in the factory transmission mount - 034Motorsport - Audi

This billet aluminum insert is designed to fill the large void in the factory transmission mount 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3176060
Mfg#:
034-509-4053
In Stock
ON SALE! SAVE 14%
$91.00

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

$77.81 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Motor Mount Kit - 60 Durometer

ES#4619953 - 034-509-5041 - Street Density Line Motor Mount Kit - 60 Durometer - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4619953
Mfg#:
034-509-5041
In Stock
ON SALE! SAVE 15%
$480.00

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

$410.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

17" Style 803 Wheels - Staggered Set Of Four

ES#2748588 - 803-1KT4 - 17" Style 803 Wheels - Staggered Set Of Four - 17"x8"/17"x9" ET30 66.6CB 5x112 Silver with machined lip - Alzor - Audi Mercedes Benz

17"x8"/17"x9" ET30 66.6CB 5x112 Silver with machined lip 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Alzor - Corporate Logo
ES#:
2748588
Mfg#:
803-1KT4
In Stock
ON SALE! SAVE 25%
$1033.99

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

$774.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4/A5 Engine Street Shield Aluminum Skid Plate

ES#3411957 - 019207ecs01KT - Audi B9 A4/S4/A5 Engine Street Shield Aluminum Skid Plate - Protect your vehicle's plastic oil pan with this 4mm thick aluminum skid plate - ECS - Audi

Protect your vehicle's plastic oil pan with this 4mm thick aluminum skid plate 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3411957
Mfg#:
019207ECS01KT
In Stock
$391.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Liqui Moly MolyGen - Oil Service Kit (5w-40) - With Magnetic Drain Plug

ES#4006931 - 06L115562KT11 - Liqui Moly MolyGen - Oil Service Kit (5w-40) - With Magnetic Drain Plug - Includes Hengst oil filter, Liqui Moly 5w-40 oil with MolyGen technology and ECS Magnetic Drain Plug - Assembled By ECS - Audi Volkswagen

Includes Hengst oil filter, Liqui Moly 5w-40 oil with MolyGen technology and ECS Magnetic Drain Plug 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4006931
Mfg#:
06L115562KT11
In Stock
ON SALE!
$117.46

This product was last offered at the strikethrough price on
08-19-2026

$114.03 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Genuine Oil Service Kit (5w-40)

ES#2776767 - 06l115562KT - Genuine Oil Service Kit (5w-40) - Includes 5w-40 Genuine oil, filter and drain plug - Genuine Volkswagen Audi - Audi Volkswagen

Includes 5w-40 Genuine oil, filter and drain plug

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2776767
Mfg#:
06L115562KT
In Stock
$115.99

This product was last offered at the strikethrough price on
07-17-2026

$109.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Turbocharger

ES#4351788 - 06L145874E - Turbocharger - Complete turbocharger assembly to replace your failed unit - Restore boost and get going! - IHI Turbo - Audi

Complete turbocharger assembly to replace your failed unit - Restore boost and get going!

Brand:
IHI Turbo - Corporate Logo
ES#:
4351788
Mfg#:
06L145874E
In Stock
$1359.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front And Rear Brake Service Kit

ES#4460882 - 8w0615301p3KT - Front And Rear Brake Service Kit - With Zimmermann rotors and ECS DD23 "Daily Driver" ceramic pads. - Assembled By ECS - Audi

With Zimmermann rotors and ECS DD23 "Daily Driver" ceramic pads. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with 338x30mm rotors check your rotor size before ordering

Brand:
Assembled By ECS - Corporate Logo
ES#:
4460882
Mfg#:
8W0615301P3KT
In Stock
ON SALE! SAVE 25%
$731.99

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

$549.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear V5 Drilled & Slotted Brake Rotors - Set (330x22)

ES#4668331 - 4H0615601Q-XS - Rear V5 Drilled & Slotted Brake Rotors - Set (330x22) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - Audi

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4668331
Mfg#:
4H0615601Q-XS
In Stock
ON SALE!
$302.99

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

$293.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug - With 10 Copper Washers

ES#2804343 - 001196ECS01AKT2 - Magnetic Oil Drain Plug - With 10 Copper Washers - Capture harmful particles to prevent wear. M14x1.5 - ECS - Audi Volkswagen MINI Porsche

Capture harmful particles to prevent wear. M14x1.5 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2804343
Mfg#:
001196ECS01AKT2
In Stock
ON SALE! SAVE 25%
$30.99

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

$23.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VW/Audi Atmospheric Diverter Valve Spacer - Black

ES#3551289 - 025254ECS01-01 - VW/Audi Atmospheric Diverter Valve Spacer - Black - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating driving experience! 10X Entries Into Our F80 M3 Sweepstakes

Fits models with OEM DV part numbers 06H145710J, 06H145710C, 06H145710E. Please verify before ordering.

Brand:
ECS - Corporate Logo
ES#:
3551289
Mfg#:
025254ECS01-01
In Stock
ON SALE! SAVE 25%
$86.99

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

$65.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sport Springs - Set

ES#3187941 - 50357 - Sport Springs - Set - Finally, A performance lowering spring for your B9 chassis Audi - Offering unrivaled comfort and performance - H&R - Audi

Finally, A performance lowering spring for your B9 chassis Audi - Offering unrivaled comfort and performance We Price Match - Give Us A Call or Chat!
Average lowering of .80" front and rear for models with factory sport suspension. Average lowering of 1.6" front and rear for models without factory sport suspension

Brand:
H&R - Corporate Logo
ES#:
3187941
Mfg#:
50357
In Stock
15% off MSRP

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

$489.00

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

$415.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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