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Audi S4 Most Popular Parts

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ES#1904950 - 06E127501AA - Fuel Rail Line  - This fuel line connects the left and right fuel rails to the HPFP - Genuine Volkswagen Audi - Audi

This fuel line connects the left and right fuel rails to the HPFP

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1904950
Mfg#:
06E127501AA
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.

$271.99

This product was last offered at the strikethrough price on
10-05-2026

$247.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3647777 - 48322KT - Timing Chain Kit  - Includes the upgraded RS4 metal guide rail, OEM & Bremmen additional guide rails, timing chains and tensioners - The essentials necessary to get the job done! - Assembled By ECS - Audi

Includes the upgraded RS4 metal guide rail, OEM & Bremmen additional guide rails, timing chains and tensioners - The essentials necessary to get the job done! 10X Entries Into Our F80 M3 Sweepstakes
Up to VIN# 8E-4-200 000, split is in 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647777
Mfg#:
48322KT
In Stock
ON SALE!
$992.99

This product was last offered at the strikethrough price on
09-04-2026

$990.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#3971172 - 034-603-Z006 - X-Brace Stretch Bolt Subframe Hardware Kit  - Complete factory subframe bolt kit for the B8.5 (Facelift) Audi A4/S4, A5/S5, and Q5. - 034Motorsport - Audi

Complete factory subframe bolt kit for the B8.5 (Facelift) Audi A4/S4, A5/S5, and Q5. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3971172
Mfg#:
034-603-Z006
In Stock
$36.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2162796 - 06E898003 -  Ignition Coils - Set Of Six - Restore performance and clear misfire codes - NFIS Original Equipment - Audi

Restore performance and clear misfire codes

Brand:
NFIS Original Equipment - Corporate Logo
ES#:
2162796
Mfg#:
06E898003
In Stock
$191.99

This product was last offered at the strikethrough price on
09-20-2026

$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4147164 - 8E0407271BA - Front Axle Assembly - Left - Complete driveshaft with CV joints; ready for installation - TrakMotive - Audi

Complete driveshaft with CV joints; ready for installation

Brand:
TrakMotive - Corporate Logo
ES#:
4147164
Mfg#:
8E0407271BA
Ships in 1 Business Day
$202.99

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

$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2167463 - 002411ECS03A18KT - ECS Wheel Spacers - 17.5mm (Pair) - Add some style to your vehicle with these wheel spacers - ECS - Audi BMW Porsche

Add some style to your vehicle with these wheel spacers 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2167463
Mfg#:
002411ECS03A18KT
In Stock
ON SALE! SAVE 25%
$119.99

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

$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2828403 - 06E121018A - Water Pump - Includes gasket and features a metal impeller - URO - Audi Volkswagen

Includes gasket and features a metal impeller 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Fits up to the 2012 model year (pre-facelift)

Brand:
URO - Corporate Logo
ES#:
2828403
Mfg#:
06E121018A
In Stock
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2766118 - N90441103KT1 - Axle Replacement Hardware Kit - priced each - Complete hardware kit for replacing an axle - Assembled By ECS - Audi

Complete hardware kit for replacing an axle 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2766118
Mfg#:
N90441103KT1
In Stock
ON SALE!
$19.99

This product was last offered at the strikethrough price on
05-29-2026

$19.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4057257 - 8D0407272BC - Front Axle Assembly - Right  - Replace your worn or broken axle - TrakMotive - Audi Volkswagen

Replace your worn or broken axle Fits 5-Speed Tiptronic Automatic Transmission Only (APB engine)

Brand:
TrakMotive - Corporate Logo
ES#:
4057257
Mfg#:
8D0407272BC
Ships in 1 Business Day
$117.99

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

$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2618450 - 4E0927804D - ABS Sensor - Priced Each - Repair your ABS system - Bosch - Audi

Repair your ABS system We Price Match - Give Us A Call or Chat!
Fits front right side & rear left side

Brand:
Bosch - Corporate Logo
ES#:
2618450
Mfg#:
4E0927804D
In Stock
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2684748 - 077198025BKT1 - Valve Cover Gasket Set - Left and Right side set - Victor Reinz - Audi

Left and Right side set

Brand:
Victor Reinz - Corporate Logo
ES#:
2684748
Mfg#:
077198025BKT1
Ships in 5 Business Days
$108.99

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

$93.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5425953 - 8K0412109A - Front Coil Spring Seat Pad - Priced Each - Fits left and right side - Hamburg Tech - Audi Porsche

Fits left and right side

Brand:
Hamburg Tech - Corporate Logo
ES#:
5425953
Mfg#:
8K0412109A
In Stock
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Restore your stopping power - Does not include brake pad wear sensor

Brand:
Akebono - Corporate Logo
ES#:
4714817
Mfg#:
8W0698451BG
Ships in 1 Business Day
$225.99

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

$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4660245 - 042002LA01KT2 - B6 S4 Muffler Delete Kit - With 4.0" Chrome Tips - Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar! - ECS - Audi

Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4660245
Mfg#:
042002LA01KT2
Ships in 5 Business Days
ON SALE! SAVE 15%
$463.99

This product was last offered at the strikethrough price on
10-28-2026

$394.36 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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