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Audi A4 Most Popular Parts

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ES#5446383 - 034-301-2022 - 1-Piece Rear Brake Rotor Upgrade Kit - Pair (330mm X 22mm) - Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use - 034Motorsport - Audi Porsche

Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5446383
Mfg#:
034-301-2022
In Stock
$382.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4739037 - DD23-1898 - Rear DD23 "Daily Driver" Ceramic Brake Pad Set - This enthusiast-developed pad offers confident stopping power, very low dust, quiet braking, and a positive initial bite. The perfect choice for your daily-driven Euro! - ECS - Audi

This enthusiast-developed pad offers confident stopping power, very low dust, quiet braking, and a positive initial bite. The perfect choice for your daily-driven Euro! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4739037
Mfg#:
DD23-1898
Ships on Dec 4, 2026
$81.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4039417 - 8K0407613B - Wheel Hub - Priced Each - Does not include wheel bearing - Vaico - Audi

Does not include wheel bearing We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4039417
Mfg#:
8K0407613B
In Stock
$74.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4056350 - 06E905115FKT6 -  Ignition Service Kit - Includes four Bosch red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) - Assembled By ECS - Audi Volkswagen

Includes four Bosch red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) 10X Entries Into Our F80 M3 Sweepstakes
Beneficial to cars with basic performance upgrades

Brand:
Assembled By ECS - Corporate Logo
ES#:
4056350
Mfg#:
06E905115FKT6
Ships in 3 Business Days
$188.99

This product was last offered at the strikethrough price on
09-08-2026

$165.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4000811 - 034-108-Z054KT - Audi & VW Direct Injection Carbon Cleaning Kit - Level 1  - Featuring Bimmerhelp's direct injection port cleaning tool, walnut shell blast media (15lbs), and a 'blast out of a bucket' media blaster attachment - Assembled By ECS - Audi Volkswagen

Featuring Bimmerhelp's direct injection port cleaning tool, walnut shell blast media (15lbs), and a 'blast out of a bucket' media blaster attachment 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4000811
Mfg#:
034-108-Z054KT
Back Ordered
$214.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2739493 - 06A145710N - 710N Diverter Valve - Priced Each - A great upgrade for stock to mildly tuned engines - Kayser - Audi Volkswagen

A great upgrade for stock to mildly tuned engines

Brand:
Kayser - Corporate Logo
ES#:
2739493
Mfg#:
06A145710N
In Stock
11% off MSRP

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

$46.99

This product was last offered at the strikethrough price on
11-04-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4490851 - 018359ECS01-02 - Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser - Hand-laid chopped carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid chopped carbon fiber to upgrade your exterior styling 10X Entries Into Our F80 M3 Sweepstakes

Fits S-Line bumpers

Brand:
ECS - Corporate Logo
ES#:
4490851
Mfg#:
018359ECS01-02
In Stock
Limited Qty Sale
$1018.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4031325 - DP42254R -  Rear YellowStuff Performance Brake Pad Set - 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 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
4031325
Mfg#:
DP42254R
In Stock
5% off MSRP

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

$151.59

This product was last offered at the strikethrough price on
11-05-2026

$144.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4487908 - 06L115562KT27 - Liqui Moly Leichtlauf Oil Service Kit (5w-40) - Includes Mann oil filter and Liqui Moly Leichtlauf High Tech 5w-40 oil - Assembled By ECS - Audi Volkswagen

Includes Mann oil filter and Liqui Moly Leichtlauf High Tech 5w-40 oil 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
4487908
Mfg#:
06L115562KT27
In Stock
$103.99

This product was last offered at the strikethrough price on
08-31-2026

$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4865996 - 06H121026DDKT6 - Upgraded Aluminum Water Pump Kit with Tools - Includes a new water pump, hardware, coolant and the tools to get the job done. - Assembled By ECS - Audi Volkswagen

Includes a new water pump, hardware, coolant and the tools to get the job done. 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
4865996
Mfg#:
06H121026DDKT6
In Stock
$447.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#3508351 - 06J145100PKT1 -  Vacuum Pump Replacement Kit - Includes pump, gasket, and hardware for a complete cylinder-head mounted vacuum pump replacement. - Assembled By ECS - Audi

Includes pump, gasket, and hardware for a complete cylinder-head mounted vacuum pump replacement. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3508351
Mfg#:
06J145100PKT1
Ships in 1-2 days
ON SALE!
$182.99

This product was last offered at the strikethrough price on
11-05-2026

$176.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3560586 - 80451265 - Rear Special Active Shock Absorber - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality For vehicles with S-line suspension

Brand:
Koni - Corporate Logo
ES#:
3560586
Mfg#:
80451265
In Stock
ON SALE! SAVE 21%
$161.99

This product was last offered at the strikethrough price on
08-25-2026

$128.62 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2837251 - 10127100ck - High Flow High Pressure Fuel Pump - Achieve flow rates 50% higher than the original pump! - Autotech - Audi Volkswagen

Achieve flow rates 50% higher than the original pump!

Brand:
Autotech - Corporate Logo
ES#:
2837251
Mfg#:
10127100CK
Ships on Jan 11, 2027
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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