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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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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 2 Business Days
Starting at $0.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 1.5GPH

ES#4476206 - SN0-N0150 - Water/Methanol Nozzle - 1.5GPH - 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#:
4476206
Mfg#:
SN0-N0150
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Stage 1 Boost Cooler/Water Injection Kit

Perfect choice for low to medium boost setups (1-15 PSI)

Brand:
SnowPerformance - Corporate Logo
ES#:
4906297
Mfg#:
SN0-201
In Stock
Limited Qty Sale
$375.00

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

$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump

Located inside the fuel tank

Brand:
Bapmic - Corporate Logo
ES#:
4905028
Mfg#:
4B0906087P
In Stock at Vendor
$179.99

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

$173.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PNP Ethanol Sensor Harness For Motiv Re|Flex Plus

ES#4882977 - 201-0410 - PNP Ethanol Sensor Harness For Motiv Re|Flex Plus - This Plug-n-Play Ethanol Sensor Harness from Precision Raceworks is certified by Motiv and directly compatible with the ReFlex+. - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

This Plug-n-Play Ethanol Sensor Harness from Precision Raceworks is certified by Motiv and directly compatible with the ReFlex+.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4882977
Mfg#:
201-0410
In Stock
$49.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2535165 - 4B0201550H - Gas Cap - Includes seal and retaining strap - URO - Audi

Includes seal and retaining strap 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535165
Mfg#:
4B0201550H
Ships in 1 Business Day
$24.99

This product was last offered at the strikethrough price on
04-10-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector O-Ring - Priced Each

ES#3660386 - WHT005422B - Fuel Injector O-Ring - Priced Each - Keep your fueling system leak free - Bosch - Audi Volkswagen

Keep your fueling system leak free 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3660386
Mfg#:
WHT005422B
In Stock
$2.35

This product was last offered at the strikethrough price on
05-09-2026

$2.26 USD
Free Shipping
on orders $49 and up
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

High Flow Water Methanol Check Valve (Nylon Line)

ES#3469706 - sn0-8cv - High Flow Water Methanol Check Valve (Nylon Line) - Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. - SnowPerformance - Audi BMW Volkswagen MINI

Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol.

Brand:
SnowPerformance - Corporate Logo
ES#:
3469706
Mfg#:
SN0-8CV
Ships in 6 Business Days
$31.99 USD
Free Shipping
on orders $49 and up

Red High Temp Nylon Tubing - 20ft

ES#4339592 - SN0-8087 - Red High Temp Nylon Tubing - 20ft - Water Methanol Tubing - SnowPerformance - Audi BMW Volkswagen MINI

Water Methanol Tubing

Brand:
SnowPerformance - Corporate Logo
ES#:
4339592
Mfg#:
SN0-8087
In Stock at Vendor
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

In-Tank Fuel Pump Gasket

ES#310584 - 1J0919133B - In-Tank Fuel Pump Gasket - Located between the retaining ring and fuel tank - Genuine Volkswagen Audi - Audi Volkswagen

Located between the retaining ring and fuel tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
310584
Mfg#:
1J0919133B
Ships in 1-2 days
$5.99 USD
Free Shipping
on orders $49 and up

High Flow Fuel Pump - 270 LPH

ES#2730417 - 0580254044 - High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - URO - Audi Volkswagen Porsche

Great for when more fuel is needed in a custom fueling application 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2730417
Mfg#:
0580254044
In Stock at Vendor
$155.99

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

$150.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Filter

ES#252151 - 441201511C - Fuel Filter - Keep your engine running like new - Mahle - Audi Volkswagen

Keep your engine running like new

Brand:
Mahle - Corporate Logo
ES#:
252151
Mfg#:
441201511C
In Stock
ON SALE!
$28.32

This product was last offered at the strikethrough price on
06-25-2026

$26.90 USD
Free Shipping
on orders $49 and up

Nozzle Mounting adapter for hose

ES#2826223 - 40110 - Nozzle Mounting adapter for hose - 1/8" NPT Threads, Can Only Be Used With Snow Performance Straight Style Nozzle Holders - SnowPerformance - Audi BMW Volkswagen MINI

1/8" NPT Threads, Can Only Be Used With Snow Performance Straight Style Nozzle Holders

Brand:
SnowPerformance - Corporate Logo
ES#:
2826223
Mfg#:
40110
In Stock
$31.99 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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