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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Performance Engine Parts

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Throttle Body Adapter

ES#4029400 - 034-112-1000 - Throttle Body Adapter - Includes gaskets and all hardware needed. - 034Motorsport - Audi Volkswagen

Includes gaskets and all hardware needed. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4029400
Mfg#:
034-112-1000
Back Ordered
$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Snub Mount With Bracket

ES#3432388 - 034-509-2001 - Performance Snub Mount With Bracket - Greatly reduces unwanted engine movement with only a slight increase in vibration - 034Motorsport - Audi

Greatly reduces unwanted engine movement with only a slight increase in vibration 2X Entries Into Our F80 M3 Sweepstakes
For AWM engine code only

Brand:
034Motorsport - Corporate Logo
ES#:
3432388
Mfg#:
034-509-2001
Ships in 7 Business Days
$118.00 USD
Free Shipping
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.

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

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

Brand:
Euro Sport Acc - Corporate Logo
ES#:
2917783
Mfg#:
DV20
Ships in 3 Business Days
$99.00 USD
Free Shipping
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 2X Entries Into Our F80 M3 Sweepstakes

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

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

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

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 MINI Porsche

Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application.

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

Forge 007 Valve Service Kit

ES#2996420 - FMDVSK-007 - Forge 007 Valve Service Kit - Replacement piston & o-rings for servicing your Forge DV - Forge - Audi Volkswagen Porsche

Replacement piston & o-rings for servicing your Forge DV

Brand:
Forge - Corporate Logo
ES#:
2996420
Mfg#:
FMDVSK-007
Back Ordered
$17.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Snub Mount with hardware

ES#2966506 - 001578ECS01AKT1 - Performance Snub Mount with hardware - Reduce driveline lash with a full polyurethane mount - Assembled By ECS - Audi

Reduce driveline lash with a full polyurethane mount 10X Entries Into Our F80 M3 Sweepstakes
For AWM engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2966506
Mfg#:
001578ECS01AKT1
Ships in 4 Business Days
ON SALE! SAVE 24%
$87.99

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

$67.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Snub Mount with hardware

ES#2966505 - 001578ECS01AKT - Performance Snub Mount with hardware - Reduce driveline lash with a full polyurethane mount - Assembled By ECS - Audi

Reduce driveline lash with a full polyurethane mount 10X Entries Into Our F80 M3 Sweepstakes
For AEB & ATW engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2966505
Mfg#:
001578ECS01AKT
Ships in 1-2 days
ON SALE! SAVE 23%
$86.00

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

$66.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heat Shroud™ - Aluminized Sleeving

ES#2784360 - 010405 - Heat Shroud™ - Aluminized Sleeving - 1" X 3ft - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1" X 3ft

Brand:
DEI - Corporate Logo
ES#:
2784360
Mfg#:
010405
Ships on Nov 2, 2026
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Optional Blue Spring R1 DV For 23-30 PSI. (Blue Springs Are Only Needed For Stage 3 Or Higher.)

ES#3021167 - Z1001791 - Optional Blue Spring R1 DV For 23-30 PSI. (Blue Springs Are Only Needed For Stage 3 Or Higher.) - DV100001 optional blue spring for 23-30 psi - APR - Audi Volkswagen

DV100001 optional blue spring for 23-30 psi Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3021167
Mfg#:
Z1001791
Ships in 5 Business Days
ON SALE! SAVE 12%
$31.99

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

$28.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Security Lockout Service

ES#2063654 - APRSECPRG-SRV - Security Lockout Service - *Sale only applies to purchases to ECU with 3 or 4 program options - APR - Audi Volkswagen

*Sale only applies to purchases to ECU with 3 or 4 program options Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
2063654
Mfg#:
APRSECPRG-SRV
In Stock
ON SALE! SAVE 10%
$59.00

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

$53.10 USD
This product is lifetime replacement eligible Lifetime Replacement

Fault Code Erase And Throttle Body Alignment Service

ES#2063651 - APRFCTB-SRV - Fault Code Erase And Throttle Body Alignment Service - *Sale only applies to purchases to ECU with 3 or 4 program options - APR - Audi Volkswagen

*Sale only applies to purchases to ECU with 3 or 4 program options Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
2063651
Mfg#:
APRFCTB-SRV
In Stock
ON SALE! SAVE 10%
$59.00

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

$53.10 USD
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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