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Audi A4 Most Popular Parts

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ES#5457203 - IEBACG2 - IE Aluminum Valve Covers - These billet aluminum valve covers permanently solve the cracking and leaking issues common with factory plastic units, while offering a premium anodized finish and adaptable PCV plumbing. - Integrated Engineering - Audi

These billet aluminum valve covers permanently solve the cracking and leaking issues common with factory plastic units, while offering a premium anodized finish and adaptable PCV plumbing.

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457203
Mfg#:
IEBACG2
Ships in 3 Business Days
$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3426731 - 48-262316 - Bilstein B16 PSS10 Suspension System - Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes
For models with build date up to 7/11/16, w/ 53mm front strut body diameter - Vehicles equipped with Electronic

Brand:
Bilstein - Corporate Logo
ES#:
3426731
Mfg#:
48-262316
Ships in 4 Business Days
$2499.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3031023 - 19-164472kt - B4 OE Sport Shocks & Struts Kit - Engineered to restore original performance and handling. German-made with world-famous Bilstein quality and a limited lifetime warranty! - Bilstein - Audi

Engineered to restore original performance and handling. German-made with world-famous Bilstein quality and a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bilstein - Corporate Logo
ES#:
3031023
Mfg#:
19-164472KT
In Stock
$384.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4027515 - 029251ECS01 - Audi Pre-Facelift B8 A4 Trunk Spoiler - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

For Pre-Facelift A4 without an integrated trunk spoiler

Brand:
ECS - Corporate Logo
ES#:
4027515
Mfg#:
029251ECS01
In Stock
$210.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4616175 - Z1003101 - APR Iridium Pro Spark Plug - Priced Each - An excellent upgrade for tuned engines. 14X19X16mm - Heat Range 9 - APR - Audi Volkswagen Porsche

An excellent upgrade for tuned engines. 14X19X16mm - Heat Range 9 Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4616175
Mfg#:
Z1003101
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.

$24.69

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

$21.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4164442 - 81383 - Adjustable Front Upper Control Arm Kit - Adjust front camber and caster 1.5 on the Audi B9 platform with these forged aluminum adjustable control arms from SPC! - SPC - Audi

Adjust front camber and caster ±1.5° on the Audi B9 platform with these forged aluminum adjustable control arms from SPC!

Brand:
SPC - Corporate Logo
ES#:
4164442
Mfg#:
81383
In Stock at Vendor
$995.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3697647 - 027962ECS01 - Audi B8 A4/S4 Gloss Black Grille Accent Set - Pre Facelift - Upgrade your exterior styling - ECS - Audi

Upgrade your exterior styling 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

Fits Pre-Facelift sedan models with S-Line(S4) front bumpers up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3697647
Mfg#:
027962ECS01
In Stock
$188.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2748195 - ECS10158KTWB1 - ECS Wheel Spacer & Bolt Kit - 17.5mm With Black Ball Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE
Fits OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748195
Mfg#:
ECS10158KTWB1
In Stock
$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2794029 - WIS18TK563M815 - Wiseco Performance Piston Set - Includes rings, wire locks, and wrist pins - 81.5mm bore, 9:1 CR, 86.4mm stroke (stock) - Wiseco - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81.5mm bore, 9:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
Wiseco - Corporate Logo
ES#:
2794029
Mfg#:
WIS18TK563M815
In Stock at Vendor
$827.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2748638 - HB641B.696 - front HPS 5.0 Performance Brake Pad Set - Next generation high performance street brake pad offering greater stopping power and pedal feel, with very low dust and noise - Hawk - Audi

Next generation high performance street brake pad offering greater stopping power and pedal feel, with very low dust and noise For use with the Stage 1 Big Brake Kit

Brand:
Hawk - Corporate Logo
ES#:
2748638
Mfg#:
HB641B.696
In Stock
10% off MSRP

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

$228.99

This product was last offered at the strikethrough price on
11-06-2026

$206.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5481085 - 06l121111jKT - Thermostat/Water Pump Kit - Everything you need to replace your thermostat/water pump - Ina - Audi Volkswagen Porsche

Everything you need to replace your thermostat/water pump

Brand:
Ina - Corporate Logo
ES#:
5481085
Mfg#:
06L121111JKT
In Stock
$399.99

This product was last offered at the strikethrough price on
06-18-2026

$381.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2931571 - E10701130 - Billet Tow Hook Receiver License Plate Mount - US Style - Keep your front bumper free of holes and allow your front plate to be easily removed for shows or photo shoots - Rennline - Audi Volkswagen

Keep your front bumper free of holes and allow your front plate to be easily removed for shows or photo shoots

Brand:
Rennline - Corporate Logo
ES#:
2931571
Mfg#:
E10701130
In Stock
$155.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4616350 - 012575la01KT1 - B8 A4/S4/A5/S5 Manual - Driveshaft Center Support - As our beloved B8's age the stock center support bearing starts to wear out causing drivetrain clunk. This upgraded unit keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing - ECS - Audi

As our beloved B8's age the stock center support bearing starts to wear out causing drivetrain clunk. This upgraded unit keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
4616350
Mfg#:
012575LA01KT1
In Stock
$308.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2568874 - 06D198385D - Cylinder Head Bolt Set - A full set 10 head bolts to secure your cylinder head. M10x1.5x112 - Victor Reinz - Audi Volkswagen

A full set 10 head bolts to secure your cylinder head. M10x1.5x112

Brand:
Victor Reinz - Corporate Logo
ES#:
2568874
Mfg#:
06D198385D
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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