Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 Most Popular Parts

Sort By
Filter By
Return to Top

Engine Oil (5w-30) - 1 Quart

ES#1897107 - 15304 - Engine Oil (5w-30) - 1 Quart - A fully synthetic ester formula that offers excellent wear protection while improving fuel economy - Redline - Audi BMW Volkswagen MINI

A fully synthetic ester formula that offers excellent wear protection while improving fuel economy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
1897107
Mfg#:
15304
In Stock
$18.20 USD
Free Shipping
on orders $49 and up

Extraction and Filling Pump - With Extra Hose

ES#4337338 - 7073 - Extraction and Filling Pump - With Extra Hose - Great for removing & filling Brake Fluid, Anti-Freeze, Gear Oil plus Power Steering Fluid & more - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Great for removing & filling Brake Fluid, Anti-Freeze, Gear Oil plus Power Steering Fluid & more affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4337338
Mfg#:
7073
In Stock
$28.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#261191 - N90735604 - Bolt - Priced Each - Install new hardware with your new parts. M7x28 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M7x28 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261191
Mfg#:
N90735604
In Stock
2% off MSRP

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

$4.18

This product was last offered at the strikethrough price on
06-29-2026

$4.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hand Rivnut Tool

ES#4487724 - LCB655SCH - Hand Rivnut Tool - 70 piece metric rivnut kit - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

70 piece metric rivnut kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4487724
Mfg#:
LCB655SCH
In Stock
ON SALE! SAVE 10%
$87.99

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

$79.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

P3 Low Profile OBD2 Splitter

ES#4045317 - P30SPLIT - P3 Low Profile OBD2 Splitter - Turn your single OBD2 port into Two! - P3 Gauges - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Turn your single OBD2 port into Two! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
P3 Gauges - Corporate Logo
ES#:
4045317
Mfg#:
P30SPLIT
In Stock
$30.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DR Series Trak Spacers - 20mm (1 Pair) Black

ES#2730993 - 4055665SW - DR Series Trak Spacers - 20mm (1 Pair) Black - Get the stance that you've been craving with these new spacers - H&R - Audi Mercedes Benz MINI Porsche

Get the stance that you've been craving with these new spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2730993
Mfg#:
4055665SW
In Stock
$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport

ES#3673911 - B8800066 - Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport - Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. 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#:
3673911
Mfg#:
B8800066
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 25%
$49.99

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

$37.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sparco PRO 2000 QRT Competition Racing Seat

High performance racing seats with FIA homologation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Sparco - Corporate Logo
ES#:
4271497
Mfg#:
008016RNR
In Stock
Limited Qty Sale
$929.00

This product was last offered at the strikethrough price on
06-01-2026

$859.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Air Lift Performance 3H Digital Air Management

ES#2966710 - 27695 - Air Lift Performance 3H Digital Air Management - The most advanced height + pressure control with 3/8" manifold - Air Lift - Audi BMW Volkswagen MINI

The most advanced height + pressure control with 3/8" manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Air Lift - Corporate Logo
ES#:
2966710
Mfg#:
27695
In Stock at Vendor
$2578.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Electrical Connector Kit - Housing With Pins & Wire Seals (3)

ES#4460500 - 3D0973703-KIT - Electrical Connector Kit - Housing With Pins & Wire Seals (3) - 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#:
4460500
Mfg#:
3D0973703-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

Spill-Proof Coolant / Antifreeze Funnel Bleeder - Bavarian Autosport

ES#3673924 - B8800082 - Spill-Proof Coolant / Antifreeze Funnel Bleeder - Bavarian Autosport - Multiple adapters include to fit a variety of vehicles. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Multiple adapters include to fit a variety of vehicles. 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#:
3673924
Mfg#:
B8800082
In Stock
ON SALE! SAVE 15%
$32.99

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

$28.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MoS2 Anti Friction Additive For Manual Transmission / Differential

ES#261605 - 2019 - MoS2 Anti Friction Additive For Manual Transmission / Differential - Increase the life of your gear oil, and decrease gearbox noise - Liqui-Moly - Audi BMW Volkswagen Porsche

Increase the life of your gear oil, and decrease gearbox noise affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
261605
Mfg#:
2019
In Stock
45% off MSRP

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

$21.95

This product was last offered at the strikethrough price on
06-29-2026

$11.99 USD
Free Shipping
on orders $49 and up

Air Lift Performance 3H Digital Air Management

ES#2966684 - 27690 - Air Lift Performance 3H Digital Air Management - The most advanced height + pressure control with 1/4" manifold - Air Lift - Audi BMW Volkswagen MINI

The most advanced height + pressure control with 1/4" manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Air Lift - Corporate Logo
ES#:
2966684
Mfg#:
27690
In Stock at Vendor
$2509.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8mm High Strength Stainless Exhaust Manifold Stud (50mm Length) - Priced Each

ES#4858164 - 034-105-A009 - 8mm High Strength Stainless Exhaust Manifold Stud (50mm Length) - Priced Each - Can be used for exhaust systems, turbo, and any use where the highest strength and quality are required. - 034Motorsport - Audi Volkswagen

Can be used for exhaust systems, turbo, and any use where the highest strength and quality are required. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858164
Mfg#:
034-105-A009
In Stock
ON SALE! SAVE 10%
$10.00

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

$9.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line

ES#4144932 - SN0-310-BRD - Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4144932
Mfg#:
SN0-310-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Power Port Plug - "Eject" - Red Anodized

ES#4171972 - 028636ECS05-01 - Billet Power Port Plug - "Eject" - Red Anodized - A little fun and function for your car! - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A little fun and function for your car! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4171972
Mfg#:
028636ECS05-01
In Stock
ON SALE! SAVE 25%
$33.99

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

$25.49 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