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

Menu

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

Audi C4 S4 Quattro 20v T

    • 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
garage-red
Your Vehicle Audi C4 S4 Quattro 20v T
Your Vehicle Audi C4 S4 Quattro 20v T
Change Clear

Audi C4 S4 Quattro 20v T Most Popular Parts

Sort By
Filter By
Return to Top

Oxygen Sensor

ES#3333 - 13957 - Oxygen Sensor - Direct fit with correct plug & wire length, not a universal sensor - Bosch - Audi Volkswagen

Direct fit with correct plug & wire length, not a universal sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3333
Mfg#:
13957
Ships in 1-2 days
$102.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm - Left

ES#2137165 - 4A0407151 - Front Lower Control Arm - Left - Comes with inner & outer bushings - Meyle HD - Audi

Comes with inner & outer bushings 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle HD - Corporate Logo
ES#:
2137165
Mfg#:
4A0407151
Ships on Dec 10, 2026
$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2627557 - 025906041A - Coolant Temperature Sensor - 2 Pin - Blue sensor used by the ECU to control engine fueling - Rein - Audi Volkswagen

Blue sensor used by the ECU to control engine fueling 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627557
Mfg#:
025906041A
In Stock
$9.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Strut Bearing - Priced Each

ES#2535124 - 4A0412249 - Front Upper Strut Bearing - Priced Each - Recommended to be replaced with new shocks - URO - Audi

Recommended to be replaced with new shocks 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535124
Mfg#:
4A0412249
In Stock at Vendor
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Outer CV Boot Kit - Priced Each

ES#2598881 - 441498203A - Front Outer CV Boot Kit - Priced Each - Complete boot kit with hardware and grease - Rein - Audi

Complete boot kit with hardware and grease 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2598881
Mfg#:
441498203A
Back Ordered
Auto Notify
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2187546 - 1H0201553B - Gas Cap - Keep your fuel system sealed - URO - Audi Volkswagen

Keep your fuel system sealed 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187546
Mfg#:
1H0201553B
Ships in 1 Business Day
$10.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm - right

ES#257656 - 4A0407152 - Front Lower Control Arm - right - Comes with inner & outer bushings - Meyle HD - Audi

Comes with inner & outer bushings 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle HD - Corporate Logo
ES#:
257656
Mfg#:
4A0407152
Ships on Dec 10, 2026
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Floating Ball Seat Wheel Bolt (Black) - 14x1.5x42mm - Priced Each

ES#4361541 - 1454207ASW - Floating Ball Seat Wheel Bolt (Black) - 14x1.5x42mm - Priced Each - Black zinc coated wheel bolts made specifically for OE wheels - H&R - Audi Volkswagen

Black zinc coated wheel bolts made specifically for OE wheels 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
4361541
Mfg#:
1454207ASW
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Floating Ball Seat Wheel Bolt (Black) - 14x1.5x48mm - Priced Each

Black zinc coated wheel bolts made specifically for OE wheels 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
4361540
Mfg#:
1454807ASW
Ships in 3 Business Days
$9.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers - 10mm (Pair) - Version 1

ES#1874144 - 2055571A - DR Series Wheel Spacers - 10mm (Pair) - Version 1 - Fine tune your stance and improve handling - H&R - Audi Volkswagen

Fine tune your stance and improve handling 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
1874144
Mfg#:
2055571A
Ships in 3 Business Days
10% off MSRP

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

$109.99

This product was last offered at the strikethrough price on
07-01-2026

$98.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bleeder Valve - Priced Each

ES#4906457 - 1K0615273A - Bleeder Valve - Priced Each - Allows fluid or air to be removed from your braking system - ATE - Audi Volkswagen

Allows fluid or air to be removed from your braking system

Brand:
ATE - Corporate Logo
ES#:
4906457
Mfg#:
1K0615273A
In Stock at Vendor
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Wheel Bolt - 14x1.5x37mm - Priced Each

ES#252779 - 1453703 - Ball Seat Wheel Bolt - 14x1.5x37mm - Priced Each - Produced for running spacers with your OE wheels - H&R - Audi Volkswagen

Produced for running spacers with your OE wheels 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
252779
Mfg#:
1453703
In Stock
$5.99

This product was last offered at the strikethrough price on
06-30-2026

$4.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear RedStuff Performance Brake Pad Set

ES#520540 - DP3370C - Rear RedStuff Performance Brake Pad Set - A high performance street pad, featuring Kevlar technology - EBC - Audi

A high performance street pad, featuring Kevlar technology 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
520540
Mfg#:
DP3370C
Ships in 1 Business Day
4% off MSRP

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

$96.99

This product was last offered at the strikethrough price on
08-01-2026

$92.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Strut Mount - Priced Each

ES#4141476 - 4A0412377C - Front Upper Strut Mount - Priced Each - Keep your suspension in top shape - Fits left & right side - TRW - Audi

Keep your suspension in top shape - Fits left & right side

Brand:
TRW - Corporate Logo
ES#:
4141476
Mfg#:
4A0412377C
Back Ordered
$46.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Five

ES#4069611 - pfr7b5cylKT - Spark Plugs - Set Of Five - Keep your five-cylinder engine running smoothly with these spark plugs. - NGK - Audi

Keep your five-cylinder engine running smoothly with these spark plugs. We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
4069611
Mfg#:
PFR7B5CYLKT
In Stock at Vendor
$91.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Relay - 372

ES#2899179 - 4D0951253 - Fuel Pump Relay - 372 - Keep the fuel pump going - Vemo - Audi Volkswagen

Keep the fuel pump going

Brand:
Vemo - Corporate Logo
ES#:
2899179
Mfg#:
4D0951253
Special Order: No Guaranteed ETA
$91.99 USD
Free Shipping
on orders $49 and up

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