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

Lower Radiator Hose

ES#4899608 - 8K0121055B - Lower Radiator Hose - Direct replacement for your worn or cracked hose - Rein - Audi

Direct replacement for your worn or cracked hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4899608
Mfg#:
8K0121055B
In Stock
$71.99 USD
Free Shipping
on orders $49 and up

Accessory Belt

ES#2800643 - 06E903137Q - Accessory Belt - Replace your cracked or worn belt - Continental - Audi

Replace your cracked or worn belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
Continental - Corporate Logo
ES#:
2800643
Mfg#:
06E903137Q
In Stock
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Shock Bump Stop - Priced Each

ES#2872641 - 8K0512131B - Rear Shock Bump Stop - Priced Each - Fits the left and right side - 118mm - Febi - Audi

Fits the left and right side - 118mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872641
Mfg#:
8K0512131B
In Stock
$10.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar End Link - Priced Each

ES#3220010 - 8K0505465G - Rear Sway Bar End Link - Priced Each - Fits the left and right side - Lemforder - Audi

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
3220010
Mfg#:
8K0505465G
In Stock
$23.99

This product was last offered at the strikethrough price on
05-04-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Steering Pump

ES#2571610 - 8K0145154M - Power Steering Pump - Brand new power steering pump - no core charge - Genuine Volkswagen Audi - Audi

Brand new power steering pump - no core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For cars with speed-related variable steering assist (Servotronic)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2571610
Mfg#:
8K0145154M
Ships in 8 Business Days
5% off MSRP

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

$1434.99

This product was last offered at the strikethrough price on
06-24-2026

$1361.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" RF018 - Set Of Four

ES#4614067 - rv582w100500KT - 18" RF018 - Set Of Four - 18"x8" ET40 5x112 57.1CB - Matte Anthracite - REVO - Audi Volkswagen

18"x8" ET40 5x112 57.1CB - Matte Anthracite affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4614067
Mfg#:
RV582W100500KT
Back Ordered
Auto Notify
$1360.99 USD
This product is lifetime replacement eligible Lifetime Replacement

18" RF018 - Set Of Four

ES#4614066 - rv582w100400KT - 18" RF018 - Set Of Four - 18"x8" ET40 5x112 57.1CB - Gloss Black - REVO - Audi Volkswagen

18"x8" ET40 5x112 57.1CB - Gloss Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4614066
Mfg#:
RV582W100400KT
Back Ordered
$1360.99 USD
This product is lifetime replacement eligible Lifetime Replacement

18" ESM-002M Wheels - Set Of Four

ES#5338619 - ESM002RPL1895KT - 18" ESM-002M Wheels - Set Of Four - 18x9.5 ET38 5x100/5x112 57.1CB - Platinum Chrome/Gold Rivets - ESM Wheels - Audi Volkswagen

18x9.5 ET38 5x100/5x112 57.1CB - Platinum Chrome/Gold Rivets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ESM Wheels - Corporate Logo
ES#:
5338619
Mfg#:
ESM002RPL1895KT
Ships on Jul 13, 2026
Auto Notify
$1360.00 USD
This product is lifetime replacement eligible Lifetime Replacement

18" Rotiform BLQ Wheels - Set Of Four

ES#2837098 - BLQ-3bKT - 18" Rotiform BLQ Wheels - Set Of Four - 18x8.5 ET45 5X112 66.6CB - Matte Black - Rotiform - Audi BMW Mercedes Benz MINI

18x8.5 ET45 5X112 66.6CB - Matte Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rotiform - Corporate Logo
ES#:
2837098
Mfg#:
BLQ-3BKT
Ships on Jul 13, 2026
$1360.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Density Line Upper Control Arm Kit - Track Spec

ES#3546574 - 034-401-1062 - Density Line Upper Control Arm Kit - Track Spec - Gain negative camber for increased cornering grip, better turn-in, and improved handling! - 034Motorsport - Audi

Gain negative camber for increased cornering grip, better turn-in, and improved handling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3546574
Mfg#:
034-401-1062
Back Ordered
$680.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" Rotiform FLG Wheels - Set Of Four

ES#4749475 - R1341885F8+45KT1 - 18" Rotiform FLG Wheels - Set Of Four - 18x8.5 ET45 5X112 66.6CB - Matte Black - Rotiform - Audi BMW Mercedes Benz MINI

18x8.5 ET45 5X112 66.6CB - Matte Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rotiform - Corporate Logo
ES#:
4749475
Mfg#:
R1341885F8+45KT1
Back Ordered
$1360.00 USD
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 20mm With Ball Seat Bolts

ES#250729 - ECS10159KTWB - ECS Wheel Spacer & Bolt Kit - 20mm With Ball Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
250729
Mfg#:
ECS10159KTWB
In Stock
ON SALE! SAVE 15%
$199.99

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

$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Stainless Brake Line Kit, Porsche Cayenne (Brembo 6-piston)

ES#4045848 - 001-CLR-PAIR - Front Stainless Brake Line Kit, Porsche Cayenne (Brembo 6-piston) - Fits both the 350mm and the 330mm Cayenne front calipers. - JH Motorsports - Audi

Fits both the 350mm and the 330mm Cayenne front calipers. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Porsche Cayenne Calipers (6-piston Brembo) retrofits only

Brand:
JH Motorsports - Corporate Logo
ES#:
4045848
Mfg#:
001-CLR-PAIR
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#4871985 - 8E1820031 - Heater Core - Stop coolant leaks, restore heater operation, and cure a fogged windshield! - Bremmen Parts - Audi

Stop coolant leaks, restore heater operation, and cure a fogged windshield! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871985
Mfg#:
8E1820031
In Stock
ON SALE! SAVE 21%
$65.99

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

$52.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner

ES#3143779 - 06E903133AE - Accessory Belt Tensioner - Keep your drive belt tight - Genuine Volkswagen Audi - Audi

Keep your drive belt tight affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3143779
Mfg#:
06E903133AE
In Stock
8% off MSRP

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

$260.00

This product was last offered at the strikethrough price on
06-15-2026

$237.99 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