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 D3 A8 Quattro 4.2

    • 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 D3 A8 Quattro 4.2
Your Vehicle Audi D3 A8 Quattro 4.2
Change Clear

Audi D3 A8 Quattro 4.2 Performance Engine Parts

Sort By
Filter By
Return to Top

1 Gallon Methanol Tank - Clear/White

ES#3514828 - 1G-MT-CL - 1 Gallon Methanol Tank - Clear/White - Inexpensive, compact, and easy to mount. - Burger Motorsports - Audi BMW Volkswagen MINI

Inexpensive, compact, and easy to mount.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514828
Mfg#:
1G-MT-CL
In Stock
$30.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

10-100 PSI Billet Adjustable Fuel Management Unit (FMU) - Red

ES#4846430 - CMBVLRRDT040173 - 10-100 PSI Billet Adjustable Fuel Management Unit (FMU) - Red - Allows perfect fixation of the fuel pressure regulator in the desired location. - SPA Performance - Audi Volkswagen

Allows perfect fixation of the fuel pressure regulator in the desired location.

Brand:
SPA Performance - Corporate Logo
ES#:
4846430
Mfg#:
CMBVLRRDT040173
Ships in 3 Business Days
ON SALE!
$94.99

This product was last offered at the strikethrough price on
10-01-2026

$89.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

10-100 PSI Billet Adjustable Fuel Management Unit (FMU) - Black

ES#4846418 - CMBVLRPSH01BK - 10-100 PSI Billet Adjustable Fuel Management Unit (FMU) - Black - Allows perfect fixation of the fuel pressure regulator in the desired location. - SPA Performance - Audi Volkswagen

Allows perfect fixation of the fuel pressure regulator in the desired location.

Brand:
SPA Performance - Corporate Logo
ES#:
4846418
Mfg#:
CMBVLRPSH01BK
Ships in 3 Business Days
ON SALE!
$94.99

This product was last offered at the strikethrough price on
10-01-2026

$89.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Guide - Priced Each

ES#2794454 - IEVTVA1 - Valve Guide - Priced Each - Upgrade to new bronze alloy valve guides - Integrated Engineering - Audi Volkswagen

Upgrade to new bronze alloy valve guides
Engine code BFM & BGK (03-06)

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794454
Mfg#:
IEVTVA1
Back Ordered
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hobb

ES#3520735 - ACC-HOBBS - Hobb - 15 PSI - Fuel-It! - Audi BMW Volkswagen MINI Porsche

15 PSI

Brand:
Fuel-It! - Corporate Logo
ES#:
3520735
Mfg#:
ACC-HOBBS
In Stock
$55.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Gasket Plus

ES#523192 - GAS016 - Power Gasket Plus - Gaskets will deflect heat and reduce air intake temps. - New South Performance - Audi

Gaskets will deflect heat and reduce air intake temps. Engine code BFM & BGK

Brand:
New South Performance - Corporate Logo
ES#:
523192
Mfg#:
GAS016
Ships in 8 Business Days
$80.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 6GPH

ES#4361434 - SN0-N0600 - Water/Methanol Nozzle - 6GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen MINI

Snow Performance Hyper-Sonic water-methanol injection nozzle

Brand:
SnowPerformance - Corporate Logo
ES#:
4361434
Mfg#:
SN0-N0600
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FSB WMI Controller - V3 For Charge Pipe Injection (CPI)

ES#3514866 - FSB-CPI - FSB WMI Controller - V3 For Charge Pipe Injection (CPI) - Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping! - Burger Motorsports - Audi BMW Volkswagen MINI

Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping! For use in setups where charge pipe injection is being utilized.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514866
Mfg#:
FSB-CPI
Ships on Nov 3, 2026
$150.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Tee Adapter Fitting

ES#4376612 - SN0-82040R - Snow Performance Tee Adapter Fitting - 1/4" tee fitting for water/methanol lines - SnowPerformance - Audi BMW Volkswagen MINI Porsche

1/4" tee fitting for water/methanol lines

Brand:
SnowPerformance - Corporate Logo
ES#:
4376612
Mfg#:
SN0-82040R
In Stock at Vendor
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Port Injection Plugs

ES#4690214 - PRINJPLGS - Port Injection Plugs - Use these in replacement of any standard short body EV14 style injector. - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Use these in replacement of any standard short body EV14 style injector.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4690214
Mfg#:
PRINJPLGS
Ships in 9 Business Days
Starting at $9.99 USD
Customize
Free Shipping
on orders $49 and up

No-Toil Foam Filter Oil

ES#3546630 - nt0-aerosolKT - No-Toil Foam Filter Oil - For use with ITG foam filters - No T-oil - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For use with ITG foam filters

Brand:
No T-oil
ES#:
3546630
Mfg#:
NT0-AEROSOLKT
In Stock
$17.00

This product was last offered at the strikethrough price on
05-27-2026

$16.99 USD
Free Shipping
on orders $49 and up

K&N Performance Air Filter

ES#8126 - e-0775 - K&N Performance Air Filter - Drop in replacement for your vehicle from the experts - K&N - Audi

Drop in replacement for your vehicle from the experts

Brand:
K&N - Corporate Logo
ES#:
8126
Mfg#:
E-0775
In Stock
$83.99 USD
Free Shipping
on orders $49 and up

Boost Switch

ES#2826277 - 81014 - Boost Switch - Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application. - SnowPerformance - Audi BMW Volkswagen MINI Porsche

Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application.

Brand:
SnowPerformance - Corporate Logo
ES#:
2826277
Mfg#:
81014
In Stock at Vendor
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings