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 Clear

Audi D4 S8 Quattro 4.0T

    • 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 Audi D4 S8 Quattro 4.0T
Your Vehicle Audi D4 S8 Quattro 4.0T
Change Clear

Audi D4 S8 Quattro 4.0T Most Popular Parts

Sort By
Filter By
Return to Top

HID Headlight Ballast - Priced Each

ES#3437295 - 8K0941597E - HID Headlight Ballast - Priced Each - Replace your failed ballast and get your xenon headlights in working order again. - Hella - Audi Volkswagen

Replace your failed ballast and get your xenon headlights in working order again. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hella - Corporate Logo
ES#:
3437295
Mfg#:
8K0941597E
In Stock
$243.10

This product was last offered at the strikethrough price on
01-30-2026

$209.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

D4 4.0T Upgraded Turbo Inlets

ES#4849833 - 037968la01KT - D4 4.0T Upgraded Turbo Inlets - Upgrade your A8 with a true dual inlet setup! Engineered for increased airflow and less restriction. - ECS - Audi

Upgrade your A8 with a true dual inlet setup! Engineered for increased airflow and less restriction. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4849833
Mfg#:
037968LA01KT
Ships in 8 Business Days
ON SALE! SAVE 15%
$319.99

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

$271.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Iridium Pro Spark Plug - Priced Each

ES#4616174 - Z1003100 - APR Iridium Pro Spark Plug - Priced Each - An excellent upgrade for tuned engines. 14X26.5X16mm - Heat Range 9 - APR - Audi Volkswagen Porsche

An excellent upgrade for tuned engines. 14X26.5X16mm - 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#:
4616174
Mfg#:
Z1003100
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.

$35.94

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

$31.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Performance Rear Sway Bar End Links - Audi B8/Porsche Macan

ES#4043135 - 025180ECS02 - Billet Performance Rear Sway Bar End Links - Audi B8/Porsche Macan - Replace the flimsy stock plastic and rubber units - ECS - Audi Porsche

Replace the flimsy stock plastic and rubber units affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4043135
Mfg#:
025180ECS02
In Stock
ON SALE! SAVE 20%
$224.99

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

$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JB4 Bluetooth Wireless Connect Kit - Pinned Power Wire

ES#3514868 - JB4-SPWCK-F - JB4 Bluetooth Wireless Connect Kit - Pinned Power Wire - Wirelessly connect your JB4 to your phone! - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz

Wirelessly connect your JB4 to your phone! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514868
Mfg#:
JB4-SPWCK-F
In Stock
$159.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug - With 10 Aluminum Washers

ES#3187654 - 001196ECS01-02 - Magnetic Oil Drain Plug - With 10 Aluminum Washers - Capture harmful particles to prevent wear. M14x1.5 - ECS - Audi Volkswagen MINI Porsche

Capture harmful particles to prevent wear. M14x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3187654
Mfg#:
001196ECS01-02
In Stock
ON SALE! SAVE 25%
$30.99

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

$23.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMS Pedal Tuner

ES#3998870 - BPT-VA1 - BMS Pedal Tuner - Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience! - Burger Motorsports - Audi Volkswagen

Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
3998870
Mfg#:
BPT-VA1
In Stock
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 15mm (Pair)

ES#2603079 - 002411ECS03A15KT - ECS Wheel Spacers - 15mm (Pair) - Improve the look of your vehicle with spacers - ECS - Audi BMW Porsche

Improve the look of your vehicle with spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2603079
Mfg#:
002411ECS03A15KT
Ships in 10 Business Days
Auto Notify
ON SALE! SAVE 25%
$136.99

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

$102.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Adjustable Rear Sway Bar End Link Kit

ES#4429979 - 034-402-4030 - Dynamic+ Adjustable Rear Sway Bar End Link Kit - Replace your flimsy, imprecise OEM sway bar end links with the performance engineered Dynamic+ Adjustable Rear Sway Bar End Link - 034Motorsport - Audi

Replace your flimsy, imprecise OEM sway bar end links with the performance engineered Dynamic+ Adjustable Rear Sway Bar End Link affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4429979
Mfg#:
034-402-4030
In Stock
$171.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Iridium Racing Spark Plugs - Priced Each

ES#4146805 - 5749 - Iridium Racing Spark Plugs - Priced Each - Upgraded spark plug originally found in the Audi RS7/RS3. 14X26.5X16mm - Heat Range 24 (SKU: IKH01-24) - Denso - Audi Volkswagen

Upgraded spark plug originally found in the Audi RS7/RS3. 14X26.5X16mm - Heat Range 24 (SKU: IKH01-24) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Denso - Corporate Logo
ES#:
4146805
Mfg#:
5749
In Stock
$52.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Piston Diverter Valve 06H145710D

ES#4818482 - 06H145710D - Upgraded Piston Diverter Valve 06H145710D - Upgrade to an OE-quality superior piston style diverter valve to avoid costly boost leaks - Bremmen Parts - Audi Volkswagen

Upgrade to an OE-quality superior piston style diverter valve to avoid costly boost leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818482
Mfg#:
06H145710D
In Stock
ON SALE! SAVE 10%
$47.99

This product was last offered at the strikethrough price on
06-10-2026

$43.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 10mm With Black Conical Seat Bolts

ES#2748283 - 002411ECS02AKT1 - Wheel Spacer & Bolt Kit - 10mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748283
Mfg#:
002411ECS02AKT1
In Stock
ON SALE! SAVE 10%
$161.99

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

$145.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front V5 Slotted Brake Rotors - Set (400x38)

ES#4668344 - 4H0615301AL-S - Front V5 Slotted Brake Rotors - Set (400x38) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - Audi

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4668344
Mfg#:
4H0615301AL-S
In Stock
ON SALE!
$717.99

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

$682.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4475462 - 06K905601MKT4 - Performance Ignition Service Kit - Includes eight OE spark plugs and eight APR coil packs. - Assembled By ECS - Audi

Includes eight OE spark plugs and eight APR coil packs. 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#:
4475462
Mfg#:
06K905601MKT4
In Stock
$619.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi 4.0T Silicone Turbo Outlet / Throttle Body Inlet Hose Set

ES#4414220 - 036779LA01 - Audi 4.0T Silicone Turbo Outlet / Throttle Body Inlet Hose Set - Replace the factory rubber turbo outlet hoses with our in-house engineered 4-ply reinforced silicone hose set - ECS - Audi

Replace the factory rubber turbo outlet hoses with our in-house engineered 4-ply reinforced silicone hose set affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4414220
Mfg#:
036779LA01
In Stock
ON SALE! SAVE 25%
$65.99

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

$49.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

C7 S6/S7 Front & Rear Slotted Brake Rotors (400x38) / (356x22)

ES#4616172 - 016403LASKT - C7 S6/S7 Front & Rear Slotted Brake Rotors (400x38) / (356x22) - Direct bolt-on replacement - Up To 9% less weight on all four corners - ECS - Audi

Direct bolt-on replacement - Up To 9% less weight on all four corners affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4616172
Mfg#:
016403LASKT
In Stock
ON SALE!
$2311.99

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

$2242.63 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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