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Your Vehicle Audi B6 A4 Quattro 1.8T

Audi B6 A4 Quattro 1.8T Performance Engine & Drivetrain Parts

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Does not include injectors - Gains of up to 55 HP & 100 LB-FT torque on 93 octane! 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For existing Stage 1 customers upgrading to Stage 1+. Drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
2918519
Mfg#:
B6A4STG1UPGRDKT
In Stock
$150.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For most JB4 applications.

Brand:
Burgaflex - Corporate Logo
ES#:
4715229
Mfg#:
FSB-UNI
In Stock
Limited Qty Sale
$153.00

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

$141.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2713396 - 002598ECS05KT - 2.0T Coil Pack Conversion Kit - Stage 1 - Includes wrinkle black conversion plate -w- black 2.0T coils - ECS - Audi Volkswagen

Includes wrinkle black conversion plate -w- black 2.0T coils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2713396
Mfg#:
002598ECS05KT
In Stock
$311.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2713413 - 002598ECS24KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle red conversion plate -w- black 2.0T coils and silver hold down kit - ECS - Audi Volkswagen

Includes wrinkle red conversion plate -w- black 2.0T coils and silver hold down kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2713413
Mfg#:
002598ECS24KT
In Stock
$358.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5425701 - SN0-20010 - Stage 2 Boost Cooler Forced Induction Progressive Engine Mount Water-Methanol Injection Kit - (NO LONGER AVAILABLE) *Scratch And Dent* - Red High Temp Nylon Tubing, Quick-Connect Fittings - Scratch & Dent - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Red High Temp Nylon Tubing, Quick-Connect Fittings ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5425701
Mfg#:
SN0-20010
In Stock
ON SALE!
$520.99

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

$484.99 USD
Free Shipping
on orders $49 and up
ES#4858483 - 034-201-8014 - Oversized Valve Set 5-valve  - High Flow Valve Set - 034Motorsport - Audi Volkswagen

High Flow Valve Set affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858483
Mfg#:
034-201-8014
Ships in 2 Business Days
$200.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3437959 - AA1-HDSD - Heavy Duty Street Performance Clutch Kit  - Handles up to 360 lb-ft of torque - ACT - Audi Volkswagen

Handles up to 360 lb-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Must be used with SACHS dual-mass flywheel #DMF91115.ES#4335

Brand:
ACT - Corporate Logo
ES#:
3437959
Mfg#:
AA1-HDSD
Ships in 6 Business Days
$777.00 USD
ES#4017066 - b618tpplvl1KT1 - B6 A4 1.8T Performance Pack - Level 1  - Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point - Assembled By ECS - Audi

Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits up to VIN 8E-3-500000, split is in the 2003 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017066
Mfg#:
B618TPPLVL1KT1
Ships in 3 Business Days
$396.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4714702 - 1.25G-UMT-CL - 1.25 Gallon Heavy-Duty Universal Methanol Tank - Clear/White - Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714702
Mfg#:
1.25G-UMT-CL
Ships on Jun 26, 2026
$69.00 USD
Free Shipping
on orders $49 and up
ES#3098858 - 70205fssdxdbKT - Stage 3 Drag Clutch Kit - Designed for dedicated drag or drift cars. Conservatively rated at 520ft/lbs. - South Bend Clutch - Audi Volkswagen

Designed for dedicated drag or drift cars. Conservatively rated at 520ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
3098858
Mfg#:
70205FSSDXDBKT
Ships in 1 Business Day
$1011.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Matched set with connections affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DeatschWerks - Corporate Logo
ES#:
5446104
Mfg#:
17U-01-0550-4
In Stock at Vendor
$329.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Engages water-methanol system at 35PSI Adjustable from 25-50psi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826280
Mfg#:
81081
In Stock at Vendor
$74.99 USD
Free Shipping
on orders $49 and up
ES#5338588 - 056059LA094ISKT2 - 1.8T Ignition Service Kit - Featuring ECS Performance Ignition Coils & Genuine VW/Audi spark plugs for increased spark energy! - ECS - Audi Volkswagen

Featuring ECS Performance Ignition Coils & Genuine VW/Audi spark plugs for increased spark energy! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
5338588
Mfg#:
056059LA094ISKT2
Ships in 3 Business Days
ON SALE! SAVE 10%
$223.99

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

$201.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4690245 - 601-0260 - In-Line Micro Regulator - 5 Bar - The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! - Precision Raceworks - Audi BMW Volkswagen

The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4690245
Mfg#:
601-0260
Ships in 4 Business Days
$68.99

This product was last offered at the strikethrough price on
01-22-2026

$64.99 USD
Free Shipping
on orders $49 and up
ES#5447897 - 17U-01-0440-4 - Matched Set Of 4 Injectors - 440cc  - E85 Compatible - DeatschWerks - Audi Volkswagen MINI

E85 Compatible affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires tuning and/or additional hardware.

Brand:
DeatschWerks - Corporate Logo
ES#:
5447897
Mfg#:
17U-01-0440-4
Ships in 6 Business Days
$329.00 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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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