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Audi C5 S6 Quattro 4.2

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Audi C5 S6 Quattro 4.2 Engine Fuel Parts

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4AN "T" Fitting

ES#4212780 - SN0-806-BRD - 4AN "T" Fitting - 4AN T - SnowPerformance - Audi BMW Volkswagen MINI

4AN T

Brand:
SnowPerformance - Corporate Logo
ES#:
4212780
Mfg#:
SN0-806-BRD
In Stock at Vendor
$10.99 USD
Free Shipping
on orders $49 and up

GASKET SET

ES#2800994 - 37198031 - GASKET SET - Meistersatz - Audi Volkswagen

Brand:
Meistersatz - Corporate Logo
ES#:
2800994
Mfg#:
37198031
Ships in 4 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Green LED

ES#2826275 - 80003 - Green LED - SnowPerformance - Audi BMW Volkswagen MINI

Brand:
SnowPerformance - Corporate Logo
ES#:
2826275
Mfg#:
80003
In Stock at Vendor
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pressure Regulator O-Ring Kit

Includes both o-rings to seal the pressure regulator to the fuel rail 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340645
Mfg#:
037198031
Special Order: No Guaranteed ETA
Auto Notify
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FSB WMI Controller - V2 Universal

ES#4715229 - FSB-UNI - FSB WMI Controller - V2 Universal - Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping! - Burgaflex - Audi BMW Volkswagen MINI

Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping! For most JB4 applications.

Brand:
Burgaflex - Corporate Logo
ES#:
4715229
Mfg#:
FSB-UNI
In Stock
Limited Qty Sale
$153.00

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

$141.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

1.25 Gallon Heavy-Duty Universal Methanol Tank - Clear/White

ES#4714702 - 1.25G-UMT-CL - 1.25 Gallon Heavy-Duty Universal Methanol Tank - Clear/White - Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk. - Burger Motorsports - Audi BMW Volkswagen MINI

Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714702
Mfg#:
1.25G-UMT-CL
Ships on Aug 10, 2026
$69.00 USD
Free Shipping
on orders $49 and up

Fuel Pump

Located inside the fuel tank

Brand:
Delphi - Corporate Logo
ES#:
4905027
Mfg#:
4B0906087P
In Stock at Vendor
$351.99

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

$341.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ALUMINUM WASHER

Brand:
Meistersatz - Corporate Logo
ES#:
4150982
Mfg#:
N0138149
Ships in 4 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hobbs Switch (30 psi)

Engages water-methanol system at 35PSI Adjustable from 25-50psi

Brand:
SnowPerformance - Corporate Logo
ES#:
2826280
Mfg#:
81081
In Stock at Vendor
$74.99 USD
Free Shipping
on orders $49 and up

Fuel Injector Installation Kit

ES#2593908 - 077906037AKT3 - Fuel Injector Installation Kit - Takes the guess work out of installing fuel injectors - Genuine Volkswagen Audi - Audi

Takes the guess work out of installing fuel injectors

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2593908
Mfg#:
077906037AKT3
Ships in 3 Business Days
$258.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

In-Line Micro Regulator - 5 Bar

ES#4690245 - 601-0260 - In-Line Micro Regulator - 5 Bar - The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! - Precision Raceworks - Audi BMW Volkswagen

The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4690245
Mfg#:
601-0260
Ships in 5 Business Days
$64.99 USD
Free Shipping
on orders $49 and up

In-Line Micro Regulator - 4 Bar

ES#4883148 - 601-0259 - In-Line Micro Regulator - 4 Bar - The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! - Precision Raceworks - Audi BMW Volkswagen

The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883148
Mfg#:
601-0259
Ships in 10 Business Days
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Fuel Parts

ECS Tuning has made it simple to find the perfect fuel system parts for your car. Whether you're replacing OEM fuel system parts or building a high-flow fuel system for a performance car, ECS Tuning has fuel pumps, fuel injectors, fuel filters, and more from respected names like Bosch, Siemens, and Genesis.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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