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Audi A4 Most Popular Parts

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Front RedStuff Performance Brake Pad Set

ES#4031330 - DP32290C - Front RedStuff Performance Brake Pad Set - High performance street pad featuring Kevlar technology. - EBC - Audi

High performance street pad featuring Kevlar technology. 2X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with 338mm rotors

Brand:
EBC - Corporate Logo
ES#:
4031330
Mfg#:
DP32290C
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.

$360.99

This product was last offered at the strikethrough price on
07-23-2026

$342.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

7" Android Multimedia System - With CarPlay & Android Auto

ES#5374080 - 022619BRP05-UIS6 - 7" Android Multimedia System - With CarPlay & Android Auto - Features an 8-core processor running Android 14 making it one powerful plug and play radio upgrade! Features wireless CarPlay and Android Auto! - Bremmen Parts - Audi

Features an 8-core processor running Android 14 making it one powerful plug and play radio upgrade! Features wireless CarPlay and Android Auto! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5374080
Mfg#:
022619BRP05-UIS6
In Stock
ON SALE!
$569.99

This product was last offered at the strikethrough price on
02-26-2026

$533.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Front Mount Intercooler Kit (600HP)

ES#2770217 - ctsb7fmickit - CTS Turbo Front Mount Intercooler Kit (600HP) - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler

Brand:
CTS - Corporate Logo
ES#:
2770217
Mfg#:
CTSB7FMICKIT
Ships in 7 Business Days
ON SALE! SAVE 20%
$749.99

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

$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3545345 - 3519 - Radiator - Fix leaks and keep your cooling system efficient - Featuring OEM specified Plastic Tank/Aluminum Core Construction - CSF - Audi Porsche

Fix leaks and keep your cooling system efficient - Featuring OEM specified Plastic Tank/Aluminum Core Construction 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
3545345
Mfg#:
3519
In Stock
$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4620648 - 06E103547P - Pressure Control Valve (PCV) - Located beneath the intake manifold - Hengst - Audi
ECS Tuning recommends this product.

Located beneath the intake manifold 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Hengst - Corporate Logo
ES#:
4620648
Mfg#:
06E103547P
In Stock
$119.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B9 A4/A5/S4/S5 Quattro Adjustable Damping Coilovers & ALZOR 19" Style 628 Wheels - Set Of Four

ES#4759732 - 000745LA01EB3KT - B9 A4/A5/S4/S5 Quattro Adjustable Damping Coilovers & ALZOR 19" Style 628 Wheels - Set Of Four - Enthusiast Bundles - Audi

Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4759732
Mfg#:
000745LA01EB3KT
In Stock
ON SALE! SAVE 33%
$2382.98

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

$1599.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Maestro Tuning Suite - With Powertap Air Flash Tool

ES#3148271 - ED-MT-A4-1.8TKT - Maestro Tuning Suite - With Powertap Air Flash Tool - Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware - Eurodyne - Audi

Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware

Brand:
Eurodyne - Corporate Logo
ES#:
3148271
Mfg#:
ED-MT-A4-1.8TKT
In Stock
$799.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Complete Cylinder Head

ES#2561691 - 06F103265BXKT - Remanufactured Complete Cylinder Head - Price includes a $1560.00 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Price includes a $1560.00 refundable core charge Complete cylinder head - Includes camshafts & valves

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2561691
Mfg#:
06F103265BXKT
Ships in 7 Business Days
$4792.99

This product was last offered at the strikethrough price on
02-26-2026

$4790.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear EP24 "Enthusiast Performance" Brake Pad Set

ES#4739102 - EP24-1898 - Rear EP24 "Enthusiast Performance" Brake Pad Set - This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. - ECS - Audi

This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4739102
Mfg#:
EP24-1898
In Stock
ON SALE! SAVE 20%
$121.99

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

$97.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Heavy Duty Front Control Arm Kit

ES#4327287 - 1160500190/HD - Complete Heavy Duty Front Control Arm Kit - Keep your suspension in top shape - Includes all front control arms, ball joints, and hardware - Meyle HD - Audi

Keep your suspension in top shape - Includes all front control arms, ball joints, and hardware 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits models from production date 6/21/2011 up through 8/15/2011 (M14 Ball Joints) - Please verify existing prior to ordering

Brand:
Meyle HD - Corporate Logo
ES#:
4327287
Mfg#:
1160500190/HD
Ships in 1 day
$1195.42 USD
Free Shipping

BR Series Coilover Suspension Kit

ES#3521693 - S-09-BR - BR Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving

Brand:
BC Racing - Corporate Logo
ES#:
3521693
Mfg#:
S-09-BR
Ships in 5 Business Days
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Harsh Climate 5" Oiled Filter & Sock Kit

ES#4465497 - IEINUU2 - IE Harsh Climate 5" Oiled Filter & Sock Kit - Direct replacement filter for all popular IE air intake kits with a 5" velocity stack. - Integrated Engineering - Audi Volkswagen

Direct replacement filter for all popular IE air intake kits with a 5" velocity stack. 5X Entries For Our 25th Anniversary Sweepstakes!
For vehicles that already have an IE intake

Brand:
Integrated Engineering - Corporate Logo
ES#:
4465497
Mfg#:
IEINUU2
In Stock
$76.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Waste Gate Frequency Control N75 Valve

ES#4818436 - 06A906283E - Waste Gate Frequency Control N75 Valve - Get your turbo back in action with a new N75 valve. - Bremmen Parts - Audi Volkswagen

Get your turbo back in action with a new N75 valve. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818436
Mfg#:
06A906283E
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 17%
$73.99

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

$61.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Aluminum Coolant Hose Flange

ES#4907691 - 06D121132C - Upgraded Aluminum Coolant Hose Flange - Located rear engine, this flange houses the temp sensor - Rein - Audi

Located rear engine, this flange houses the temp sensor 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
4907691
Mfg#:
06D121132C
In Stock
$44.99 USD
Free Shipping
on orders $49 and up

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