Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle

Audi S4 Most Popular Parts

Sort By
Filter By
Return to Top
ES#2739259 - C17D43-ZNNITT - Conical Seat Wheel Bolt - 14x1.5x43mm - Priced Each - Black zinc coated wheel bolts made with aftermarket wheels in mind - ECS - Audi BMW Volkswagen Mercedes Benz

Black zinc coated wheel bolts made with aftermarket wheels in mind affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2739259
Mfg#:
C17D43-ZNNITT
In Stock
ON SALE! SAVE 25%
$5.99

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

$4.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3522567 - 004164SCH01KT - Lock Carrier Tool Set - M8 - Extended lock carrier bolts to make extra room without removing the entire front end. - Schwaben - Audi Volkswagen MINI
ECS Tuning recommends this product.

Extended lock carrier bolts to make extra room without removing the entire front end. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
3522567
Mfg#:
004164SCH01KT
In Stock
ON SALE! SAVE 22%
$45.99

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

$35.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2764244 - MMTCU - Universal Transmission/Power Steering Cooler - Allows use of a high performance radiator without an integrated transmission cooler or offers an upgrade for smaller stock coolers - Mishimoto - Audi BMW Volkswagen MINI Porsche

Allows use of a high performance radiator without an integrated transmission cooler or offers an upgrade for smaller stock coolers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764244
Mfg#:
MMTCU
In Stock
$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2932868 - CTA026400 - 10 Pc. Oil Filter Wrench Kit - For removal of Oil & Fuel Filter Housings and spin-on filters. - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For removal of Oil & Fuel Filter Housings and spin-on filters. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
2932868
Mfg#:
CTA026400
In Stock
$89.99

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

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3022231 - 017822SCH01A - Schwaben 21x22mm Strut Wrench - Many OEM strut nuts are 21mm and the aftermarket replacements are 22mm.
Schwaben to the rescue with a wrench with both sizes on one wrench - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Many OEM strut nuts are 21mm and the aftermarket replacements are 22mm. Schwaben to the rescue with a wrench with both sizes on one wrench affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
3022231
Mfg#:
017822SCH01A
In Stock
ON SALE! SAVE 25%
$35.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1928267 - vc05b - Silicone Vacuum Hose - Black - 9 Feet - High quality heat resistant tubing that lasts! 5mm - Forge - Audi BMW Volkswagen MINI

High quality heat resistant tubing that lasts! 5mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
1928267
Mfg#:
VC05B
Ships in 6 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2598154 - SCHTOOLSEURKT - European Essentials Tool Kit - Comprehensive tool kit consisting of special tools that are necessary to maintain your European vehicle - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Comprehensive tool kit consisting of special tools that are necessary to maintain your European vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2598154
Mfg#:
SCHTOOLSEURKT
In Stock
ON SALE! SAVE 23%
$184.96

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

$142.47 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4708450 - 003411SCH01A - 12 PC. 3/8" Drive 6 Point Metric Deep Well Socket Set - Complete 3/8" deep socket set with sizes 8-19mm and a sliding rail organizer - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Complete 3/8" deep socket set with sizes 8-19mm and a sliding rail organizer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4708450
Mfg#:
003411SCH01A
In Stock
ON SALE! SAVE 50%
$30.99

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

$15.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4846548 - 50MLSYRINGE - 50 mL Syringe - Fill up your supercharger oil with ease using this syringe. - Bav Auto Tools - Audi Volkswagen Mercedes Benz MINI Porsche

Fill up your supercharger oil with ease using this syringe. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
4846548
Mfg#:
50MLSYRINGE
In Stock
$9.95 USD
Free Shipping
on orders $49 and up
ES#4460501 - 8K0973702-KIT - Electrical Connector Kit - Housing With Pins & Wire Seals (2) - Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. - ECS - Audi Volkswagen

Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM

Brand:
ECS - Corporate Logo
ES#:
4460501
Mfg#:
8K0973702-KIT
In Stock
ON SALE! SAVE 25%
$24.99

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

$18.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4135253 - GRT-TBO-K51 - Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger - Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). - ATP - Audi Volkswagen

Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc

Brand:
ATP - Corporate Logo
ES#:
4135253
Mfg#:
GRT-TBO-K51
Ships in 7 Business Days
$2265.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1910125 - hbs-1254-m10-m16 - Triple Square Socket Kit - 4 Pieces - 1/2" Drive M10-M16 - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

1/2" Drive M10-M16 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
1910125
Mfg#:
HBS-1254-M10-M16
In Stock
ON SALE! SAVE 25%
$56.99

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

$42.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3546586 - Z1003148 - Aluminum Hub Centric Ring - Priced Each - Includes a 66.56mm to 57.1mm aluminum, CNC-machined hub centric ring for proper fitment - APR - Audi Volkswagen

Includes a 66.56mm to 57.1mm aluminum, CNC-machined hub centric ring for proper fitment Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3546586
Mfg#:
Z1003148
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
06-28-2026

$21.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3420798 - UN-0001-CF - Universal Front Splitters - Carbon Fiber - Add aggressive exterior styling to any vehicle - AUTOTECKNIC - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Add aggressive exterior styling to any vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AUTOTECKNIC - Corporate Logo
ES#:
3420798
Mfg#:
UN-0001-CF
In Stock
Limited Qty Sale
$149.99

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

$131.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3072231 - R1908/35S - MOMO Mod.08 Steering Wheel - Black Suede - 350mm  - Black suede with black spoke finish - MOMO - Audi BMW Volkswagen MINI

Black suede with black spoke finish affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MOMO - Corporate Logo
ES#:
3072231
Mfg#:
R1908/35S
Ships on Jul 23, 2026
$249.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4147266 - 185FH - Spal Electric Fan Harness with Relay - 185 Degree  - Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit - Spal - Audi BMW MINI

Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147266
Mfg#:
185FH
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.

$193.99

This product was last offered at the strikethrough price on
06-28-2026

$171.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings