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Audi B5 S4 2.7T

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Audi B5 S4 2.7T Performance Engine Parts

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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 Mercedes Benz MINI Porsche

1/4" tee fitting for water/methanol lines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Phenolic Intake Manifold Spacer Kit - Large Port

ES#3183772 - 034-108-9003-LP - Phenolic Intake Manifold Spacer Kit - Large Port - Phenolic Intake Manifold Spacer, 5mm Thickness to Prevent Heat Conductivity to the Intake Manifold From the Cylinder Head. - 034Motorsport - Audi

Phenolic Intake Manifold Spacer, 5mm Thickness to Prevent Heat Conductivity to the Intake Manifold From the Cylinder Head. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Large Port - For 2.7T models using 2.8L 30V or RS4 manifolds and/or cylinder heads

Brand:
034Motorsport - Corporate Logo
ES#:
3183772
Mfg#:
034-108-9003-LP
Ships in 2 Business Days
ON SALE! SAVE 10%
$128.00

This product was last offered at the strikethrough price on
06-28-2026

$115.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hobb's Switch

ES#3520735 - ACC-HOBBS - Hobb's Switch - 15 PSI - Fuel-It! - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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

Brand:
Fuel-It! - Corporate Logo
ES#:
3520735
Mfg#:
ACC-HOBBS
Ships on Jul 21, 2026
$55.00 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Motorsport-Spec Solid Transmission Mount - Priced Each

ES#3432217 - 034-509-4000 - Motorsport-Spec Solid Transmission Mount - Priced Each - Solid aluminum base, CNC machined delrin mount, and installation hardware - Fits left and right sides - 034Motorsport - Audi

Solid aluminum base, CNC machined delrin mount, and installation hardware - Fits left and right sides affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3432217
Mfg#:
034-509-4000
Ships on Jul 22, 2026
ON SALE! SAVE 10%
$121.00

This product was last offered at the strikethrough price on
06-28-2026

$108.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Pulley Hardware Kit

ES#3142414 - n01473911kt2 - Crankshaft Pulley Hardware Kit - Includes brand new hardware to secure the crankshaft pulley to the sprocket - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3142414
Mfg#:
N01473911KT2
In Stock
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAF Housing Adapter - RS4

ES#2864566 - 034-108-6001 - MAF Housing Adapter - RS4 - Seamlessly install your 034Motorsport 85mm MAF Housing with a factory RS4 airbox - 034Motorsport - Audi

Seamlessly install your 034Motorsport 85mm MAF Housing with a factory RS4 airbox affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864566
Mfg#:
034-108-6001
Ships in 2 Business Days
ON SALE! SAVE 10%
$112.00

This product was last offered at the strikethrough price on
06-28-2026

$100.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

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
$15.99

This product was last offered at the strikethrough price on
06-23-2026

$10.99 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 2 Business Days
$88.99

This product was last offered at the strikethrough price on
06-23-2026

$83.99 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
ON SALE! SAVE 10%
$91.00

This product was last offered at the strikethrough price on
06-28-2026

$81.90 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

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

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
ON SALE! SAVE 10%
$41.00

This product was last offered at the strikethrough price on
06-28-2026

$36.90 USD
Free Shipping
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.

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