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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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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! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4027362
Mfg#:
022848ECS01KT
Ships on Nov 11, 2026
$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Sport Shock - Priced Each

ES#4698693 - 82401319SPORT - Rear Sport Shock - Priced Each - Tighten up your Audi with these Koni shocks - Koni - Audi

Tighten up your Audi with these Koni shocks For vehicles without electronic suspension

Brand:
Koni - Corporate Logo
ES#:
4698693
Mfg#:
82401319SPORT
Back Ordered
39% off MSRP

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

$308.99

This product was last offered at the strikethrough price on
10-12-2026

$189.99 USD
Free Shipping
on orders $49 and up

Front Upper Control Arm - Curved - Right

ES#4839751 - 8W0407510E - Front Upper Control Arm - Curved - Right - Keep your suspension in top shape - Febi - Audi

Keep your suspension in top shape We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4839751
Mfg#:
8W0407510E
Back Ordered
$71.99

This product was last offered at the strikethrough price on
05-07-2026

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Switch Schrader Valve

ES#428073 - 8A0820855AA - A/C Pressure Switch Schrader Valve - Common source of small refrigerant leaks - Genuine Volkswagen Audi - Audi Volkswagen

Common source of small refrigerant leaks

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
428073
Mfg#:
8A0820855AA
Ships in 1-2 days
13% off MSRP

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

$30.99

This product was last offered at the strikethrough price on
10-12-2026

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear GD Sport Rotors - Pair (330x22)

ES#2621910 - GD1846 - Rear GD Sport Rotors - Pair (330x22) - Upgrade to a slotted/dimpled rotor for improved braking - EBC - Audi

Upgrade to a slotted/dimpled rotor for improved braking 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
2621910
Mfg#:
GD1846
Ships in 1 Business Day
5% off MSRP

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

$396.99

This product was last offered at the strikethrough price on
10-12-2026

$376.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Dynamic+ StreetSport Front Brake Pad Set For RS+ Big Brake Package

ES#4845654 - 034-302-0025 - 034Motorsport Dynamic+ StreetSport Front Brake Pad Set For RS+ Big Brake Package - Semi-metallic pads that offer low dust and noise for comfortable everyday use, while delivering high friction, superior modulation, and exceptional stopping power! - 034Motorsport - Audi

Semi-metallic pads that offer low dust and noise for comfortable everyday use, while delivering high friction, superior modulation, and exceptional stopping power! 2X Entries Into Our F80 M3 Sweepstakes
Replacement for vehicles with 034Motorsport RS+ Big Brake Package only.

Brand:
034Motorsport - Corporate Logo
ES#:
4845654
Mfg#:
034-302-0025
In Stock
$375.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Intake Lid

ES#4316345 - IEINCK2 - Carbon Fiber Intake Lid - Add some style, class, and sporty look to your IE A4 or A5 2.0T Cold Air Intake with this direct-fit carbon fiber lid! - Integrated Engineering - Audi

Add some style, class, and sporty look to your IE A4 or A5 2.0T Cold Air Intake with this direct-fit carbon fiber lid!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4316345
Mfg#:
IEINCK2
Ships in 4 Business Days
$373.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VWR Locking Wheel Nut Set - R13 Ball Seat

ES#4876594 - VWR630301 - VWR Locking Wheel Nut Set - R13 Ball Seat - Add a locking wheel nut to each corner of your car to replace one of your RacingLine nuts for extra security. - Racingline - Audi Volkswagen

Add a locking wheel nut to each corner of your car to replace one of your RacingLine nuts for extra security. For use with RacingLine Stud & Nut Kit only.

Brand:
Racingline - Corporate Logo
ES#:
4876594
Mfg#:
VWR630301
Ships in 6 Business Days
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B4 OE Replacement Front Strut - Priced Each

ES#4148137 - 24-279451 - B4 OE Replacement Front Strut - Priced Each - Engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. - Bilstein - Audi

Engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with production date up through 7/11/2016 with sport suspension without electronic suspension (53mm diameter strut)

Brand:
Bilstein - Corporate Logo
ES#:
4148137
Mfg#:
24-279451
Ships on Feb 22, 2027
$185.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Apex ECU Tune With POWERlink Cable

ES#5457716 - IESOWG13 - IE Apex ECU Tune With POWERlink Cable - The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. - Integrated Engineering - Audi

The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. Please see "fitment notes" in the description for full vehicle information.

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457716
Mfg#:
IESOWG13
In Stock
Starting at $184.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing - Silver Anodized

ES#3106649 - 005887ECS02KT - Billet Aluminum Oil Filter Housing - Silver Anodized - Ditch the easily broken/stripped plastic oil filter housing for a durable billet upgrade - ECS - Audi

Ditch the easily broken/stripped plastic oil filter housing for a durable billet upgrade 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3106649
Mfg#:
005887ECS02KT
In Stock
ON SALE!
$126.99

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

$123.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing ER14YS Spark Plugs - Set Of Four

ES#4030521 - er14ys-4KT - Brisk Silver Racing ER14YS Spark Plugs - Set Of Four - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! Stock heat range with a projected tip

Brand:
Brisk - Corporate Logo
ES#:
4030521
Mfg#:
ER14YS-4KT
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Tube Plug

ES#281420 - 06H115418M - Oil Tube Plug - Keep contaminants out of your oil - Genuine Volkswagen Audi - Audi

Keep contaminants out of your oil

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281420
Mfg#:
06H115418M
In Stock
35% off MSRP

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

$12.30

This product was last offered at the strikethrough price on
10-12-2026

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drive Axle Shoulder Bolt - Priced Each

ES#2872498 - 8E0407643A - Drive Axle Shoulder Bolt - Priced Each - Secures the axle assembly to the hub. M16x1.5x72 - Febi - Audi Volkswagen

Secures the axle assembly to the hub. M16x1.5x72 We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872498
Mfg#:
8E0407643A
In Stock
$7.96 USD
Free Shipping
on orders $49 and up
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. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4501726
Mfg#:
5X112-5X130-715
Ships on Nov 11, 2026
Starting at $181.99 USD
Customize
Free Shipping
on orders $49 and up
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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