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Audi B5 Performance Engine Parts

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Billet Fuel Rail Spacer - Priced Each

ES#3524645 - 034-106-7021 - Billet Fuel Rail Spacer - Priced Each - For spacing out 1.8T and 2.7T fuel rail when using longer than stock injectors - 034Motorsport - Audi Volkswagen

For spacing out 1.8T and 2.7T fuel rail when using longer than stock injectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3524645
Mfg#:
034-106-7021
Ships in 3 Business Days
$6.00 USD
Free Shipping
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 3 Business Days
$112.00 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 Jun 23, 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

Forge Splitter Valve Blanking Cap - Black

ES#3419995 - FMSPLCAPB - Forge Splitter Valve Blanking Cap - Black - Replace your lost blanking cap on your Forge Splitter valve (FMDVSPLTR) - Forge - Audi Volkswagen

Replace your lost blanking cap on your Forge Splitter valve (FMDVSPLTR) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
3419995
Mfg#:
FMSPLCAPB
Ships in 3 Business Days
$25.99 USD
Free Shipping
on orders $49 and up
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

Diverter Valve - Black

ES#2917783 - DV20 - Diverter Valve - Black - Keep your turbo boosting like it should - Euro Sport Acc - Audi Volkswagen

Keep your turbo boosting like it should affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Euro Sport Acc - Corporate Logo
ES#:
2917783
Mfg#:
DV20
Ships in 4 Business Days
$99.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Water-Methanol Check Valve - 4AN Fittings

ES#4368638 - SN0-8CV-BRD - High Flow Water-Methanol Check Valve - 4AN Fittings - Added protection for your WMI setup - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Added protection for your WMI setup affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4368638
Mfg#:
SN0-8CV-BRD
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up

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

JB4 OBDII Cable - With JB4 side Repair Harness

ES#4714892 - JB4-OBDII-CA-MC - JB4 OBDII Cable - With JB4 side Repair Harness - Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714892
Mfg#:
JB4-OBDII-CA-MC
Ships on Jun 23, 2026
$30.00 USD
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
$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 3 Business Days
$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 3 Business Days
$41.00 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.

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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