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Audi S4 Performance Engine Parts

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Water/Methanol Nozzle - 2.5GPH

ES#4476204 - SN0-N0250 - Water/Methanol Nozzle - 2.5GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4476204
Mfg#:
SN0-N0250
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FP34 Surge Tank Hardware Kit - Nipple Connections

ES#3419781 - 034-106-Z024 - FP34 Surge Tank Hardware Kit - Nipple Connections - Allows for connections to factory style nipple connections for 5/16" or 8mm hose - 034Motorsport - Audi Volkswagen

Allows for connections to factory style nipple connections for 5/16" or 8mm hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3419781
Mfg#:
034-106-Z024
Ships in 2 Business Days
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pro 5 R Drop In Filter

ES#264116 - 30-10118 - Pro 5 R Drop In Filter - Featuring 5 layers of cotton gauze filtration material - AFE - Audi

Featuring 5 layers of cotton gauze filtration material affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
264116
Mfg#:
30-10118
In Stock at Vendor
20% off MSRP

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

$113.75

This product was last offered at the strikethrough price on
06-19-2026

$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Power Steering Pulley Hardware Kit

ES#3142418 - N90308607KT4 - Power Steering Pulley Hardware Kit - Includes brand new hardware to secure the power steering pulley to the pump - Genuine Volkswagen Audi - Audi

Includes brand new hardware to secure the power steering pulley to the pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3142418
Mfg#:
N90308607KT4
In Stock at Vendor
$15.99

This product was last offered at the strikethrough price on
06-19-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMC Performance Air Filter

ES#3195214 - FB279/01 - BMC Performance Air Filter - High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime - BMC - Audi

High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BMC - Corporate Logo
ES#:
3195214
Mfg#:
FB279/01
Back Ordered
$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Lightweight Pulley Installation Hardware Kit

ES#3142424 - N01473911KT4 - Lightweight Pulley Installation Hardware Kit - Includes brand new hardware to secure your new ECS Tuning Lightweight Pulley Set! - Genuine Volkswagen Audi - Audi

Includes brand new hardware to secure your new ECS Tuning Lightweight Pulley Set! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Valeo style alternators

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3142424
Mfg#:
N01473911KT4
Ships in 1-2 days
$88.99

This product was last offered at the strikethrough price on
06-19-2026

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drain Flange - 24mm

ES#4028227 - 034-145-Z015 - Drain Flange - 24mm - Includes mounting hardware and sealing o-ring! - 034Motorsport - Audi

Includes mounting hardware and sealing o-ring! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4028227
Mfg#:
034-145-Z015
Ships in 2 Business Days
$41.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fit Kit For APR Cooling Performance System

ES#3219342 - MS100136 - Fit Kit For APR Cooling Performance System - Required for pre-facelift (up to 2012) B8 S4 / B8 S5 3.0T models, and select C7 models. - APR - Audi

Required for pre-facelift (up to 2012) B8 S4 / B8 S5 3.0T models, and select C7 models. 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!

Required for pre-facelift (up to 2012) models to fit APR Coolant Performance System MS100127

Brand:
APR - Corporate Logo
ES#:
3219342
Mfg#:
MS100136
Ships in 5 Business Days
12% off MSRP

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

$92.99

This product was last offered at the strikethrough price on
06-19-2026

$81.99 USD
Free Shipping
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
New South Performance - Corporate Logo
ES#:
523192
Mfg#:
GAS016
Ships in 5 Business Days
$80.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Intake Manifold Gasket Set

ES#8549 - GAS009 - Performance Intake Manifold Gasket Set - Gaskets will deflect heat and reduce air intake temps. - New South Performance - Audi

Gaskets will deflect heat and reduce air intake temps. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
New South Performance - Corporate Logo
ES#:
8549
Mfg#:
GAS009
Ships in 5 Business Days
$80.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Hose Clamp Kit

ES#1367 - S4S6THCK - Heavy Duty Hose Clamp Kit - Fits ECS/Samco Hose that goes from the turbo to the cross-over pipe - Samco - Audi

Fits ECS/Samco Hose that goes from the turbo to the cross-over pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Samco - Corporate Logo
ES#:
1367
Mfg#:
S4S6THCK
In Stock
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 Mercedes Benz MINI Porsche

Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Polyurethane Front Snub Engine Mount - Red (Street)

ES#4701655 - POW-082-75 - Polyurethane Front Snub Engine Mount - Red (Street) - Reduce driveline lash with a full polyurethane mount - Verkline - Audi Volkswagen

Reduce driveline lash with a full polyurethane mount affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Verkline - Corporate Logo
ES#:
4701655
Mfg#:
POW-082-75
Back Ordered
$35.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet 100 Micron Water Methanol Filter

ES#4608740 - SN0-38FIL - Billet 100 Micron Water Methanol Filter - 100 Micron Water-Methanol Filter - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

100 Micron Water-Methanol Filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4608740
Mfg#:
SN0-38FIL
Special Order: No Guaranteed ETA
$61.99 USD
Free Shipping

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.

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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