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Audi A4 Most Popular Parts

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Lash Adjuster - Priced Each

ES#2570002 - 022109423D - Lash Adjuster - Priced Each - Maintain your factory tolerance - Ina - Audi Volkswagen

Maintain your factory tolerance We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2570002
Mfg#:
022109423D
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Halogen Projector Headlight Set

ES#3021219 - 2LHPA406JM8TM - Halogen Projector Headlight Set - Black housing featuring "R8" style LED strips - Spec-D Tuning - Audi

Black housing featuring "R8" style LED strips *For vehicles with factory halogen headlights

Brand:
Spec-D Tuning - Corporate Logo
ES#:
3021219
Mfg#:
2LHPA406JM8TM
Ships in 1-3 days
$333.00

This product was last offered at the strikethrough price on
02-09-2026

$252.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser

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 For Our 25th Anniversary Sweepstakes!

Fits S-Line bumpers

Brand:
ECS - Corporate Logo
ES#:
4490851
Mfg#:
018359ECS01-02
In Stock
ON SALE! SAVE 30%
$998.99

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

$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Valve Cover Gasket Kit

ES#259658 - 078996025 - Complete Valve Cover Gasket Kit - Everything you need to reseal leaky valve covers - Assembled By ECS - Audi Volkswagen

Everything you need to reseal leaky valve covers 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
259658
Mfg#:
078996025
In Stock
ON SALE! SAVE 23%
$131.99

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

$102.01 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Ball Seat Wheel Bolt - 14x1.5x40mm - Priced Per Pair

ES#4164435 - S17D40R13ZNNI2 - Ball Seat Wheel Bolt - 14x1.5x40mm - Priced Per Pair - Black zinc coated wheel bolts made specifically for OE wheels - ECS - Audi Volkswagen

Black zinc coated wheel bolts made specifically for OE wheels 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4164435
Mfg#:
S17D40R13ZNNI2
In Stock
ON SALE! SAVE 25%
$12.99

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

$9.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Pressure In-Tank Fuel Pump

ES#2636080 - 8E0919051CQ - Low Pressure In-Tank Fuel Pump - Get your vehicle running again - Continental - Audi

Get your vehicle running again We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2636080
Mfg#:
8E0919051CQ
In Stock
$393.99

This product was last offered at the strikethrough price on
07-09-2026

$282.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Damper Crankshaft Pulley

ES#2784759 - 551211 - Harmonic Damper Crankshaft Pulley - Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability - Fluidampr - Audi Volkswagen

Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability

Brand:
Fluidampr - Corporate Logo
ES#:
2784759
Mfg#:
551211
In Stock at Vendor
$501.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JE Performance Forged Piston Set

ES#3675520 - 345812 - JE Performance Forged Piston Set - Includes rings, wire locks, and 22mm wrist pins - 82.5mm bore (stock), 9.6:1 CR, 92.8mm stroke (stock) - JE Piston - Audi Volkswagen

Includes rings, wire locks, and 22mm wrist pins - 82.5mm bore (stock), 9.6:1 CR, 92.8mm stroke (stock) To be used with connecting rods that accept 22mm wrist pins

Brand:
JE Piston - Corporate Logo
ES#:
3675520
Mfg#:
345812
In Stock
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

60A Solid Rubber OEM+ Engine Mount Kit & Transmission Mount Bushing Insert Kit

ES#4876601 - 039803LA01EBKT - 60A Solid Rubber OEM+ Engine Mount Kit & Transmission Mount Bushing Insert Kit - 60A Durometer solid rubber that eliminates the soft and leak prone factory engine mounts paired with decreased transmission mount slop for better drivetrain response! - Enthusiast Bundles - Audi

60A Durometer solid rubber that eliminates the soft and leak prone factory engine mounts paired with decreased transmission mount slop for better drivetrain response! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876601
Mfg#:
039803LA01EBKT
In Stock
ON SALE! SAVE 21%
$629.99

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

$499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drivetrain Mounts Insert Package

ES#2975804 - 034-509-6000 - Drivetrain Mounts Insert Package - Complete mount insert set - 034Motorsport - Audi

Complete mount insert set

Brand:
034Motorsport - Corporate Logo
ES#:
2975804
Mfg#:
034-509-6000
In Stock
$294.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Sport Lower Control Arm Kit CTS Turbo

ES#4743108 - CTS-SUS-3006 - CTS Turbo Sport Lower Control Arm Kit CTS Turbo - Features sturdier durometer bushings, providing increased confidence and stability during cornering. - CTS - Audi

Features sturdier durometer bushings, providing increased confidence and stability during cornering. Fits models from production date 11/3/2009 (M14 Ball Joints)

Brand:
CTS - Corporate Logo
ES#:
4743108
Mfg#:
CTS-SUS-3006
Ships in 7 Business Days
ON SALE! SAVE 15%
$479.99

This product was last offered at the strikethrough price on
07-10-2026

$407.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Direct Fit Front Mount Intercooler Kit

ES#3612271 - CTS-B9-DF - CTS Turbo Direct Fit Front Mount Intercooler Kit - This giant intercooler core is almost twice as large as stock - The B9 platforms benefits greatly from an intercooler upgrade! - CTS - Audi

This giant intercooler core is almost twice as large as stock - The B9 platforms benefits greatly from an intercooler upgrade!

Brand:
CTS - Corporate Logo
ES#:
3612271
Mfg#:
CTS-B9-DF
Back Ordered
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ON SALE! SAVE 20%
$699.99

This product was last offered at the strikethrough price on
07-10-2026

$559.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 10mm (Pair)

ES#2603071 - 002411ECS02A10KT - ECS Wheel Spacers - 10mm (Pair) - Improve the look of your vehicle with spacers - ECS - Audi BMW Porsche

Improve the look of your vehicle with spacers 10X Entries For Our 25th Anniversary Sweepstakes!
These spacers are measured and designed to fit factory wheels. Not all aftermarket wheels will work with

Brand:
ECS - Corporate Logo
ES#:
2603071
Mfg#:
002411ECS02A10KT
In Stock
ON SALE! SAVE 10%
$106.99

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

$96.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear HPS 5.0 Brake Pad Kit

ES#2807101 - HB642B.658KT - Front & Rear HPS 5.0 Brake Pad Kit - Restore your stopping power at all four corners with next generation performance! - Hawk - Audi
ECS Tuning recommends this product.

Restore your stopping power at all four corners with next generation performance! For use with the Stage 1 Big Brake Kit

Brand:
Hawk - Corporate Logo
ES#:
2807101
Mfg#:
HB642B.658KT
In Stock
$357.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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