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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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Neuspeed Power Module EVO - B9.5 A4 Quattro

ES#4906482 - 64.02.15 - Neuspeed Power Module EVO - B9.5 A4 Quattro - Proprietary tune box designed specifically for the EA888.3 2.0L 45 TFSI with gains of +30 Horsepower / 30 ft-lb of Torque! - Neuspeed - Audi

Proprietary tune box designed specifically for the EA888.3 2.0L 45 TFSI with gains of +30 Horsepower / 30 ft-lb of Torque! Compatible with 2020+ model years only

Brand:
Neuspeed - Corporate Logo
ES#:
4906482
Mfg#:
64.02.15
Ships in 3 Business Days
5% off MSRP

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

$649.00

This product was last offered at the strikethrough price on
08-12-2026

$616.99 USD
Free Shipping
Scratch and Dent Item

Carbon Fiber Front Lip Spoiler - Audi B9 A4/S4 - (NO LONGER AVAILABLE) *Scratch And Dent*

ES#5396163 - 019196ECS01A - Carbon Fiber Front Lip Spoiler - Audi B9 A4/S4 - (NO LONGER AVAILABLE) *Scratch And Dent* - Hand-laid carbon fiber to upgrade your exterior styling - Scratch & Dent - Audi

Hand-laid carbon fiber to upgrade your exterior styling ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5396163
Mfg#:
019196ECS01A
In Stock
ON SALE! SAVE 30%
$875.99

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

$612.00 USD

Gen 3 Electronic Wastegate Actuator Extension Harness

ES#4043058 - CTS-WH-003 - Gen 3 Electronic Wastegate Actuator Extension Harness - Allows you to set the wastegate voltage on your new turbo/actuator outside of the car before installing turbo. - CTS - Audi Volkswagen

Allows you to set the wastegate voltage on your new turbo/actuator outside of the car before installing turbo.

Brand:
CTS - Corporate Logo
ES#:
4043058
Mfg#:
CTS-WH-003
Ships in 8 Business Days
ON SALE! SAVE 15%
$39.99

This product was last offered at the strikethrough price on
08-26-2026

$33.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve Block Off Plate

ES#2992471 - CTSHW049 - Diverter Valve Block Off Plate - Commonly used for running aftermarket diverter and blow off valves - CTS - Audi Volkswagen

Commonly used for running aftermarket diverter and blow off valves

Brand:
CTS - Corporate Logo
ES#:
2992471
Mfg#:
CTSHW049
Ships on Nov 2, 2026
Auto Notify
ON SALE! SAVE 15%
$29.99

This product was last offered at the strikethrough price on
08-26-2026

$25.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Wheel Bolt (Black) - 14x1.5x43mm - Priced Each

ES#2730980 - 1454303SW - Ball Seat Wheel Bolt (Black) - 14x1.5x43mm - Priced Each - Produced for running spacers with your OE wheels - H&R - Audi Volkswagen

Produced for running spacers with your OE wheels We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2730980
Mfg#:
1454303SW
Ships in 3 Business Days
$6.99

This product was last offered at the strikethrough price on
06-30-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Spring Plate

ES#3013170 - 4M0411189 - Upper Spring Plate - The plate found between the strut mount and spring - Genuine Volkswagen Audi - Audi

The plate found between the strut mount and spring

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3013170
Mfg#:
4M0411189
Ships in 3 Business Days
11% off MSRP

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

$52.99

This product was last offered at the strikethrough price on
08-26-2026

$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Shock Absorber - Priced Each

ES#3144059 - 8W0513035AC - Rear Shock Absorber - Priced Each - Regain the comfort your ride had from the factory, fits left and right side - Genuine Volkswagen Audi - Audi

Regain the comfort your ride had from the factory, fits left and right side For vehicles with sport suspension and without electronic suspension

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3144059
Mfg#:
8W0513035AC
Ships in 3 Business Days
8% off MSRP

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

$331.99

This product was last offered at the strikethrough price on
08-26-2026

$303.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 10X Entries Into Our F80 M3 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

H&R Quick-Safe Stud Conversion Kit

ES#2730962 - Q-SPack45-50 - H&R Quick-Safe Stud Conversion Kit - Set of 20 studs. M14 x 1.5 x 50 - H&R - Audi Volkswagen

Set of 20 studs. M14 x 1.5 x 50 We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2730962
Mfg#:
Q-SPACK45-50
Ships in 4 Business Days
$150.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

H&R Quick-Safe Stud Conversion Kit

ES#2731366 - Q-SPack45-70 - H&R Quick-Safe Stud Conversion Kit - Se of 20 studs. M14 x 1.5 x 70 - H&R - Audi Volkswagen

Se of 20 studs. M14 x 1.5 x 70 We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2731366
Mfg#:
Q-SPACK45-70
Ships in 4 Business Days
$150.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Locking Wheel Bolt Kit

ES#2795758 - 003901ECS35BB - Ball Seat Locking Wheel Bolt Kit - Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x35mm - ECS - Audi Volkswagen

Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x35mm 10X Entries Into Our F80 M3 Sweepstakes
For use with 6-8mm spacers

Brand:
ECS - Corporate Logo
ES#:
2795758
Mfg#:
003901ECS35BB
Ships on Sep 16, 2026
ON SALE! SAVE 25%
$88.99

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

$66.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Traction-S Performance Lowering Springs

ES#4475548 - LS-TS-AI-0008-A - Traction-S Performance Lowering Springs - Average lowering of 1.25" front and 1.25" rear - GODSPEED - Audi

Average lowering of 1.25" front and 1.25" rear

Brand:
GODSPEED - Corporate Logo
ES#:
4475548
Mfg#:
LS-TS-AI-0008-A
Ships on Nov 2, 2026
$200.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Precision Raceworks Performance Fuel Pump Kit

ES#4442362 - PRWMQBPFPAWD - Precision Raceworks Performance Fuel Pump Kit - Specially designed for up to 350% more fuel than the factory fuel pump and all options are 100% E85 compliant. - Precision Raceworks - Audi Volkswagen

Specially designed for up to 350% more fuel than the factory fuel pump and all options are 100% E85 compliant.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4442362
Mfg#:
PRWMQBPFPAWD
Ships in 9 Business Days
Starting at $299.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Blow Off Valve Kit

ES#3660019 - CTS-BV-0009-B9 - Blow Off Valve Kit - Fully serviceable, piston design valve is a direct bolt-on, without worry of a check engine light - CTS - Audi

Fully serviceable, piston design valve is a direct bolt-on, without worry of a check engine light

Brand:
CTS - Corporate Logo
ES#:
3660019
Mfg#:
CTS-BV-0009-B9
Ships in 8 Business Days
ON SALE! SAVE 20%
$249.99

This product was last offered at the strikethrough price on
08-26-2026

$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve

ES#4753187 - 06H906283J - Solenoid Valve - Used to control intake flapper operation - URO - Audi Volkswagen

Used to control intake flapper operation 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4753187
Mfg#:
06H906283J
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap With Strap

ES#5396700 - 5WA201550BD - Gas Cap With Strap - Replace your leaking cap, or the one you left at the pump - Hamburg Tech - Audi

Replace your leaking cap, or the one you left at the pump Fits vehicle with production dates from 06/21/2021

Brand:
Hamburg Tech - Corporate Logo
ES#:
5396700
Mfg#:
5WA201550BD
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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