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Audi A4 Most Popular Parts

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Rear Oxygen Sensor - Priced Each

ES#1893854 - 1K0998262T - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1893854
Mfg#:
1K0998262T
In Stock
$172.99

This product was last offered at the strikethrough price on
04-06-2026

$120.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet X-Brace - Black - Audi B8.5/Porsche Macan

ES#4220368 - 004802la01aKT - Billet X-Brace - Black - Audi B8.5/Porsche Macan - Improve steering feel and handling! - ECS - Audi Porsche

Improve steering feel and handling! 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Facelift models from the 2013 model year.

Brand:
ECS - Corporate Logo
ES#:
4220368
Mfg#:
004802LA01AKT
Ships on Oct 29, 2026
Auto Notify
ON SALE! SAVE 25%
$560.99

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

$420.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#2763740 - 06C905115M - Ignition Coil - Priced Each - Keep your engine running smooth and looking good! - NFIS Original Equipment - Audi Volkswagen

Keep your engine running smooth and looking good! Updated push-down style coil pack

Brand:
NFIS Original Equipment - Corporate Logo
ES#:
2763740
Mfg#:
06C905115M
In Stock
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front 2-Piece Brake Rotors - Pair (345x30)

ES#2602983 - 000690ECS01AKT - Front 2-Piece Brake Rotors - Pair (345x30) - Direct bolt-on replacement - 25% less weight! - ECS - Audi Porsche

Direct bolt-on replacement - 25% less weight! 10X Entries For Our 25th Anniversary Sweepstakes!

Replacement rotors for vehicles with the Stage 2 Big Brake Kit

Brand:
ECS - Corporate Logo
ES#:
2602983
Mfg#:
000690ECS01AKT
Ships on Dec 28, 2026
Auto Notify
ON SALE! SAVE 10%
$1019.99

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

$917.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi/Porsche Thrust Arm Monoball Upgrade - Pre-Installed in Meyle HD Arms (M14 Ball Joints)

ES#4389690 - 006418LA01 - Audi/Porsche Thrust Arm Monoball Upgrade - Pre-Installed in Meyle HD Arms (M14 Ball Joints) - Eliminate deflection caused by stock rubber bushings! - ECS - Audi Porsche

Eliminate deflection caused by stock rubber bushings! 10X Entries For Our 25th Anniversary Sweepstakes!

Fits models from production date 11/3/2009 (M14 Ball Joints)

Brand:
ECS - Corporate Logo
ES#:
4389690
Mfg#:
006418LA01
In Stock
ON SALE!
$746.99

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

$724.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 10mm With Black Conical Seat Bolts

ES#2748283 - 002411ECS02AKT1 - Wheel Spacer & Bolt Kit - 10mm With Black 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 For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748283
Mfg#:
002411ECS02AKT1
In Stock
ON SALE!
$152.99

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

$145.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Kit - Select Plus

ES#4623805 - CKP0232 - Timing Chain Kit - Select Plus - Includes chains, tensioners, rails, timing covers, cam bridge, cam adjuster, oil pump chain & tensioner, oil pan, drive belt, gasket sealant and necessary hardware - Rein - Audi

Includes chains, tensioners, rails, timing covers, cam bridge, cam adjuster, oil pump chain & tensioner, oil pan, drive belt, gasket sealant and necessary hardware 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From production date 8/27/2012 up to 7/1/2013

Brand:
Rein - Corporate Logo
ES#:
4623805
Mfg#:
CKP0232
In Stock
ON SALE!
$893.99

This product was last offered at the strikethrough price on
06-25-2026

$849.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 Transmission Street Shield Aluminum Skid Plate

ES#3979295 - 027567ecs01KT - Audi B9 A4/S4 Transmission Street Shield Aluminum Skid Plate - Protect your transmission pan and improve aerodynamics - ECS - Audi

Protect your transmission pan and improve aerodynamics 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3979295
Mfg#:
027567ECS01KT
In Stock
ON SALE! SAVE 15%
$354.99

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

$301.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Gasket Set

ES#3046098 - 06H103383ADKT1 - Cylinder Head Gasket Set - Includes most major cylinder head gaskets and seals - Assembled By ECS - Audi

Includes most major cylinder head gaskets and seals 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3046098
Mfg#:
06H103383ADKT1
In Stock at Vendor
ON SALE!
$190.99

This product was last offered at the strikethrough price on
07-17-2026

$174.75 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Bilstein B12 Pro-Kit Suspension System

ES#2983799 - 46-183323 - Bilstein B12 Pro-Kit Suspension System - Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! 2X Entries For Our 25th Anniversary Sweepstakes!
2X Entries For Our Spin To Win Sweepstakes!
For Sedan models. Lowers 35mm front, 30mm rear

Brand:
Bilstein - Corporate Logo
ES#:
2983799
Mfg#:
46-183323
Ships on Sep 1, 2026
Auto Notify
17% off MSRP

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

$1082.00

This product was last offered at the strikethrough price on
07-21-2026

$899.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 20mm With Black Ball Seat Bolts

ES#2748197 - ECS10159KTWB1 - ECS Wheel Spacer & Bolt Kit - 20mm With Black Ball Seat Bolts - Exclusively built for your 57.1mm centerbore VW/Audi & Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi & Includes everything you need to install spacers on two wheels 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748197
Mfg#:
ECS10159KTWB1
Ships in 5 Business Days
ON SALE! SAVE 10%
$183.99

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

$165.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 10mm (Pair)

ES#2622576 - 002403ECS02A10KT - ECS Wheel Spacers - 10mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2622576
Mfg#:
002403ECS02A10KT
In Stock
ON SALE! SAVE 25%
$106.99

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

$80.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JB4 Bluetooth Wireless Connect Kit - Pinned Power Wire

ES#3514868 - JB4-SPWCK-F - JB4 Bluetooth Wireless Connect Kit - Pinned Power Wire - Wirelessly connect your JB4 to your phone! - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz

Wirelessly connect your JB4 to your phone! For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
For use with JB4 only

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514868
Mfg#:
JB4-SPWCK-F
In Stock
$159.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ohlins Road And Track Coilovers

ES#3691438 - AUS MS00 - Ohlins Road And Track Coilovers - The hlins Road & Track suspension gives our customers a true racing experience, with their own cars, without losing comfort when commuting to work. - Ohlins - Audi

The Öhlins Road & Track suspension gives our customers a true racing experience, with their own cars, without losing comfort when commuting to work.

Brand:
Ohlins - Corporate Logo
ES#:
3691438
Mfg#:
AUS MS00
In Stock at Vendor
$3323.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Replacement 5" Air Filter For IE Intake Kits

ES#3177923 - IEINCC1-3A - IE Replacement 5" Air Filter For IE Intake Kits - This is a direct replacement filter for all IE cold air intakes with a 5" velocity stack on the heat shield. This filter is used on the majority of all IE intakes. - Integrated Engineering - Audi Volkswagen

This is a direct replacement filter for all IE cold air intakes with a 5" velocity stack on the heat shield. This filter is used on the majority of all IE intakes. 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3177923
Mfg#:
IEINCC1-3A
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Repair Kit

ES#4839755 - N10554005KT1 - Valve Cover Repair Kit - Includes new upper timing gasket, vacuum pump gasket, valve cover bolts, camshaft end cap, HPFP o-ring, Dirko Sealant - Assembled By ECS - Audi

Includes new upper timing gasket, vacuum pump gasket, valve cover bolts, camshaft end cap, HPFP o-ring, Dirko Sealant 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4839755
Mfg#:
N10554005KT1
In Stock
ON SALE! SAVE 23%
$100.99

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

$77.40 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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