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Audi S4 Engine Fuel Parts

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fuel injector Wiring Harness Conduit - priced each

ES#399412 - 4Z7971824C - fuel injector Wiring Harness Conduit - priced each - Shields the wiring for the fuel injectors - Genuine Volkswagen Audi - Audi

Shields the wiring for the fuel injectors

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
399412
Mfg#:
4Z7971824C
Ships in 1-2 days
9% off MSRP

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

$46.99

This product was last offered at the strikethrough price on
10-23-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 4 GPH

ES#4476205 - SN0-N0400 - Water/Methanol Nozzle - 4 GPH - 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#:
4476205
Mfg#:
SN0-N0400
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 10GPH

ES#4376610 - SN0-N1000 - Water/Methanol Nozzle - 10GPH - 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#:
4376610
Mfg#:
SN0-N1000
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up

Water/Methanol Nozzle - 3GPH

ES#4492417 - SN0-N0300 - Water/Methanol Nozzle - 3GPH - 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#:
4492417
Mfg#:
SN0-N0300
Ships on Nov 10, 2026
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Quick Connect Fitting

ES#4376613 - SN0-82082R - Snow Performance Quick Connect Fitting - 1/8NPT-1/4 - SnowPerformance - Audi BMW Volkswagen MINI

1/8NPT-1/4

Brand:
SnowPerformance - Corporate Logo
ES#:
4376613
Mfg#:
SN0-82082R
In Stock at Vendor
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 14GPH

ES#4505337 - SN0-N1400 - Water/Methanol Nozzle - 14GPH - 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#:
4505337
Mfg#:
SN0-N1400
In Stock
Limited Qty Sale
$31.99

This product was last offered at the strikethrough price on
09-28-2026

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Drop-In Fuel Pump Adapter Kit - Bosch 60mm

ES#3194921 - 034-106-6018 - Billet Drop-In Fuel Pump Adapter Kit - Bosch 60mm - Billet Aluminum Drop-In Fuel Pump Mounting Bracket for Audi Applications! - 034Motorsport - Audi

Billet Aluminum Drop-In Fuel Pump Mounting Bracket for Audi Applications! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3194921
Mfg#:
034-106-6018
Ships in 2 Business Days
$188.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Sending Unit

ES#3680419 - 8W0919047F - Fuel Tank Sending Unit - Fuel level gauge for the fuel tank - Genuine Volkswagen Audi - Audi

Fuel level gauge for the fuel tank For vehicles with production date from 07/30/2018

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3680419
Mfg#:
8W0919047F
Ships in 1-2 days
8% off MSRP

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

$205.00

This product was last offered at the strikethrough price on
10-23-2026

$187.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector O-Ring Set

ES#2618435 - 035906149AKT4 - Fuel Injector O-Ring Set - A complete set of upper and lower o-rings - Elring - Audi

A complete set of upper and lower o-rings 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2618435
Mfg#:
035906149AKT4
In Stock
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Methanol Injection Ring

Choose either V-band or hose camp style rings to add methanol injection easily to almost any vehicle.

Brand:
SnowPerformance - Corporate Logo
ES#:
4043246
Mfg#:
SN0-40111.40112
Ships in 1 Business Day
Starting at $0.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electrical Connector Housing - 2 Pin - Priced Each

ES#441537 - 8E0973722 - Electrical Connector Housing - 2 Pin - Priced Each - Does not come with terminals or wires - Genuine Volkswagen Audi - Audi

Does not come with terminals or wires

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
441537
Mfg#:
8E0973722
In Stock
7% off MSRP

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

$42.99

This product was last offered at the strikethrough price on
10-23-2026

$39.99 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) - Blue

ES#4846429 - CMBVLRBLT040171 - 10-100 PSI Billet Adjustable Fuel Management Unit (FMU) - Blue - 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#:
4846429
Mfg#:
CMBVLRBLT040171
Back Ordered
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

Fuel Pump Relay - 372

ES#3971010 - 4D0951253 - Fuel Pump Relay - 372 - Keep the fuel pump going - Meyle - Audi

Keep the fuel pump going 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3971010
Mfg#:
4D0951253
Ships in 1-2 days
$51.99

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

$50.99 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.

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.

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