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#2825687 - 002595ECS04A - Brake Pad Wear Sensor Bypass - Priced Each - Ideal for custom applications or to eliminate the OEM wear sensor - ECS - Audi

Ideal for custom applications or to eliminate the OEM wear sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
2825687
Mfg#:
002595ECS04A
In Stock
ON SALE! SAVE 41%
$39.99

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

$23.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2538294 - 24-119825 - Rear B8 Sport Shock - Priced Each - Sport tuned shock for your performance suspension - Bilstein - Audi

Sport tuned shock for your performance suspension affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bilstein - Corporate Logo
ES#:
2538294
Mfg#:
24-119825
In Stock
33% off MSRP

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

$227.00

This product was last offered at the strikethrough price on
06-12-2026

$153.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2731115 - 50556651SW - DRA Series Trak Spacers - 25mm (1 Pair) Black - Get that stance that you've been craving with these new spacers - H&R - Audi Mercedes Benz Porsche

Get that 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#:
2731115
Mfg#:
50556651SW
In Stock
$189.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4699390 - 06M121013D - Water Pump - 4 Bolt  - New 4 bolt water pump. Does not include pulley - Hepu - Audi Porsche

New 4 bolt water pump. Does not include pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hepu - Corporate Logo
ES#:
4699390
Mfg#:
06M121013D
In Stock
$274.99

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

$260.99 USD
Free Shipping
on orders $49 and up
ES#4026793 - 022846ecs01KT - Audi B8/B8.5 A4 and S4 Front Adjustable Sway Bar Kit - Complete with ECS Tuning Adjustable End Links! - ECS - Audi

Complete with ECS Tuning Adjustable End Links! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
4026793
Mfg#:
022846ECS01KT
In Stock
$416.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3560839 - S17D27R13ZNNI - Ball Seat Wheel Bolt - 14x1.5x27mm - Priced Each - Black zinc coated wheel bolts made specifically for OE wheels - ECS - Audi Volkswagen

Black zinc coated wheel bolts made specifically for OE wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
3560839
Mfg#:
S17D27R13ZNNI
In Stock
$5.99

This product was last offered at the strikethrough price on
12-22-2025

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2823120 - 084-1KT - 19" Style 084 Wheels - Set Of Four - 19x9.5 ET40 66.6CB 5x112 - Gunmetal - Alzor - Audi

19x9.5 ET40 66.6CB 5x112 - Gunmetal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Front wheels require an 10mm spacer to clear the brake calipers

Brand:
Alzor - Corporate Logo
ES#:
2823120
Mfg#:
084-1KT
In Stock
ON SALE! SAVE 40%
$1300.00

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

$779.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4315343 - VWR630003 - VWR Stud & Nut Conversion Kit - Conical Seat - 80mm Studs - Replace those fussy bolts with Racingline's high tensile stud & lightweight nut conversion - Racingline - Audi Volkswagen

Replace those fussy bolts with Racingline's high tensile stud & lightweight nut conversion affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4315343
Mfg#:
VWR630003
Ships in 6 Business Days
$206.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4486872 - 8W0698451N - Premium Ceramic OE Equivalent Pad - Rear - Quality low dust ceramic pad from an original equipment supplier - Brembo - Audi

Quality low dust ceramic pad from an original equipment supplier affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brembo - Corporate Logo
ES#:
4486872
Mfg#:
8W0698451N
In Stock
$71.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#8818 - DV100001 - Billet R1 Diverter Valve - Priced Each - Less maintenance, more boost - APR - Audi Volkswagen Porsche

Less maintenance, more boost 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!

2 required

Brand:
APR - Corporate Logo
ES#:
8818
Mfg#:
DV100001
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.

$316.99

This product was last offered at the strikethrough price on
06-12-2026

$280.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4642770 - IEFUVO1 - IE 3.0T High Pressure Fuel Pump (HPFP) Internal Upgrade Kit - IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals - Integrated Engineering - Audi

IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4642770
Mfg#:
IEFUVO1
In Stock
$472.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4616192 - z1003101-6KT - APR Iridium Pro Spark Plug - Set Of Six - 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4616192
Mfg#:
Z1003101-6KT
In Stock
$125.70

This product was last offered at the strikethrough price on
01-26-2026

$122.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2826409 - 008442ecs01KT - Front Wheel Bearing And Hub Assembly Kit - Includes the left and right side bearing and hub pressed together for you! - Assembled By ECS - Audi

Includes the left and right side bearing and hub pressed together for you! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2826409
Mfg#:
008442ECS01KT
In Stock at Vendor
ON SALE!
$276.99

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

$255.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4630174 - 034-401-1070 - Density Line Control Arm Kit Upper Adjustable - Track Spec - Gain additional negative camber for increased cornering grip and improved handling performance. - 034Motorsport - Audi

Gain additional negative camber for increased cornering grip and improved handling performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4630174
Mfg#:
034-401-1070
Back Ordered
$1226.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2576 - 078198479 V2TT - Timing Belt Kit - Ultimate - Complete kit to service your timing belt, water pump, and thermostat - Assembled By ECS - Audi

Complete kit to service your timing belt, water pump, and thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2576
Mfg#:
078198479 V2TT
In Stock
ON SALE!
$223.99

This product was last offered at the strikethrough price on
01-03-2026

$204.25 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2642635 - 349AKT1 - 18" Style 349 Wheels - Set Of Four - 18x8 ET35 5x112 66.6CB - Hyper Silver - Alzor - Audi MINI

18x8 ET35 5x112 66.6CB - Hyper Silver affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
2642635
Mfg#:
349AKT1
In Stock
ON SALE! SAVE 25%
$1166.99

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

$875.01 USD
Free Shipping
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