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Audi A4 Most Popular Parts

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Valvetrain Service Kit - With Supertech Valves

ES#2570013 - FSIVALVEKITUPG - Valvetrain Service Kit - With Supertech Valves - Replace every moving part in your head - Assembled By ECS - Audi Volkswagen

Replace every moving part in your head 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2570013
Mfg#:
FSIVALVEKITUPG
Back Ordered
ON SALE!
$2989.99

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

$2729.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Automatic Transmission Fluid - 1 Liter

ES#2766124 - 83222305397 - Automatic Transmission Fluid - 1 Liter - For use in 6 & 8 speed ZF transmissions. Meets all specifications of Shell M-L12108 and ZF's Lifeguard 8. - Vaico - Audi BMW Volkswagen

For use in 6 & 8 speed ZF transmissions. Meets all specifications of Shell M-L12108 and ZF's Lifeguard 8. We Price Match - Give Us A Call or Chat! Original equipment high performance fluid - bottled in Germany!

Brand:
Vaico - Corporate Logo
ES#:
2766124
Mfg#:
83222305397
In Stock
$35.99

This product was last offered at the strikethrough price on
09-10-2026

$34.99 USD
Free Shipping
on orders $49 and up

Front Underbody Liner - Right

ES#438208 - 8E0825208D - Front Underbody Liner - Right - Often damaged by improper jack placement - Genuine Volkswagen Audi - Audi

Often damaged by improper jack placement

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
438208
Mfg#:
8E0825208D
Ships in 1 day
8% off MSRP

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

$371.99

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

$340.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Front Underbody Liner - Left

ES#438207 - 8E0825207B - Front Underbody Liner - Left - Often damaged by improper jack placement - Genuine Volkswagen Audi - Audi

Often damaged by improper jack placement

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
438207
Mfg#:
8E0825207B
Ships on Oct 9, 2026
8% off MSRP

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

$371.99

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

$340.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Euro Ceramic Brake Pad Set

ES#1844151 - eur340a - Rear Euro Ceramic Brake Pad Set - Ceramic composite developed to meet low dust & noise requirements - Akebono - Audi Volkswagen

Ceramic composite developed to meet low dust & noise requirements

Brand:
Akebono - Corporate Logo
ES#:
1844151
Mfg#:
EUR340A
In Stock
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Oil Supply Line

ES#4620113 - 06H145778B - Turbo Oil Supply Line - Supplies oil to the turbocharger assembly - Gates - Audi

Supplies oil to the turbocharger assembly

Brand:
Gates - Corporate Logo
ES#:
4620113
Mfg#:
06H145778B
Ships in 1 day
$311.99

This product was last offered at the strikethrough price on
05-07-2026

$302.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

KW V2 Series Coilover Kit

ES#2092125 - 15210075 - KW V2 Series Coilover Kit - Variant 2 coilovers offer sport handling with adjustable rebound dampening - KW Suspension - Audi

Variant 2 coilovers offer sport handling with adjustable rebound dampening Fits sedan models without factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2092125
Mfg#:
15210075
Back Ordered
$2724.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW V2 Series Coilover Kit

ES#2102340 - 15210078 - KW V2 Series Coilover Kit - Variant 2 coilovers offer sport handling with adjustable rebound dampening - KW Suspension - Audi

Variant 2 coilovers offer sport handling with adjustable rebound dampening Fits avant models without factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2102340
Mfg#:
15210078
Back Ordered
$2724.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Idler Pulley

ES#1928557 - 06E903341G - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - Genuine Volkswagen Audi - Audi

Also referred to as the 'relay roller'

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1928557
Mfg#:
06E903341G
In Stock
15% off MSRP

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

$100.00

This product was last offered at the strikethrough price on
09-23-2026

$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

X-Clear Driveshaft Tunnel Brace

ES#4381928 - 034-603-0029 - X-Clear Driveshaft Tunnel Brace - Allows for a larger diameter exhaust to be installed without causing excessive rattling or vibration. - 034Motorsport - Audi

Allows for a larger diameter exhaust to be installed without causing excessive rattling or vibration. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4381928
Mfg#:
034-603-0029
In Stock
$151.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

PCV Service Kit

ES#4829948 - 06k103495blKT - PCV Service Kit - Everything you need to replace a faulty PCV or to perform some preventative maintenance - Genuine Volkswagen Audi - Audi

Everything you need to replace a faulty PCV or to perform some preventative maintenance For vehicles with CYMC engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4829948
Mfg#:
06K103495BLKT
Ships Today
$395.99

This product was last offered at the strikethrough price on
08-04-2026

$387.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Forged H-Beam Connecting Rods

ES#2794314 - IERHVC1 - Forged H-Beam Connecting Rods - Set of 4 - Integrated Engineering - Audi Volkswagen

Set of 4 Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

For use with factory pistons only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794314
Mfg#:
IERHVC1
In Stock
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster

ES#4007923 - 06E103697AE - Camshaft Adjuster - Valve that controls cam adjustment - Genuine Volkswagen Audi - Audi Volkswagen

Valve that controls cam adjustment

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4007923
Mfg#:
06E103697AE
Ships in 1 day
9% off MSRP

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

$128.99

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

$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

performance Lightweight Flywheel Kit - Stage 2 Daily Clutch Kit

ES#2807486 - 003485ECS01AKT4 - performance Lightweight Flywheel Kit - Stage 2 Daily Clutch Kit - ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 375ft/lbs - ECS - Audi

ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 375ft/lbs 10X Entries Into Our F80 M3 Sweepstakes

Up to VIN 8K-9-066499, split is in the 2009 model year

Brand:
ECS - Corporate Logo
ES#:
2807486
Mfg#:
003485ECS01AKT4
Ships on Nov 13, 2026
ON SALE! SAVE 10%
$3014.99

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

$2713.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged Piston And Connecting Rod Kit

ES#5444939 - CMBMVL027JG042 - Forged Piston And Connecting Rod Kit - For VW/Audi 1.8L 20V 81.5mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 81.5mm

Brand:
SPA Performance - Corporate Logo
ES#:
5444939
Mfg#:
CMBMVL027JG042
In Stock at Vendor
ON SALE!
$949.99

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

$902.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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