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Audi B6 A4 1.8T quattro ECS Engine & Driveline Sale

Why settle for stock?

ECS engine and driveline products are a special blend of upgrades designed to pick up where the factory left off.

Each is designed to fine tune or enhance the engine and driveline of your B6 A4.

Pick one as a weekend project. Call a pal and bolt one on.


Why Settle?

Fits:
Audi B6 A4 1.8T quattro 2002-2005

RA4 240mm Clutch Conversion Kit - Stage 1
Lightweight flywheel with the S4 pressure plate and disc
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5488
Mfg#: ECSB6A4RA4S1KTST

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Availability:
Ships on Aug 11, 2026
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On SALE
$799.99

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

$775.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
RA4 240mm Clutch Conversion Kit - Stage 2
Lightweight flywheel with the RS4 pressure plate and disc
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5489
Mfg#: ECSB6A4RS4CCKSTL

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Availability:
Ships on Aug 11, 2026
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On SALE Save 10%
$1034.99

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

$931.49 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
RA4 240mm Clutch Conversion Kit - Stage 3
The Ultimate - Lightweight flywheel with the RS4 Stage 3 pressure plate and disc
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5490
Mfg#: B6A4RA4S3-STEEL

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Availability:
Ships on Aug 11, 2026
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$1418.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
RA4 Single Mass Flywheel Kit
Choose street smooth or track tough
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For use with B5 S4/RS4 clutch kits only
Brand: ECS - Corporate Logo
ES#: 12085
Mfg#: ECS212321B6KT

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Availability:
Ships on Aug 11, 2026
Auto Notify
On SALE Save 25%
$525.99

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

$394.49 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
This product has been superseded to ES#2717984
Performance Rear Differential Mount - (NO LONGER AVAILABLE)
Increase drivetrain rigidity and response!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2731997
Mfg#: 003249ECS02A
No longer available
Magnetic Drain/Fill Plug - Priced Each
Capture harmful particles to prevent wear. M22x1.5
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Manual Transmission Drain Plug (6-speed models) - Fits Rear Differential (All Models)
Brand: ECS - Corporate Logo
ES#: 2538104
Mfg#: 000857ECS01A

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Availability:
Ships on Aug 14, 2026
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On SALE Save 40%
$39.99

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

$23.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
This product has been superseded to ES#3660327
Magnetic Drain/Fill Plug - Priced Each
Capture harmful particles to prevent wear. M24x1.5
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Manual Transmission Drain Plug (5-speed models)
Brand: ECS - Corporate Logo
ES#: 6998
Mfg#: 012301127FMAG
No longer available
Performance Snub Mount
Reduce driveline lash with a full polyurethane mount
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2718769
Mfg#: 004329ECS01A

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Availability:
In Stock
On SALE Save 30%
$74.99

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

$52.49 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Billet Aluminum Coolant J-Plug W/ O-ring (06B103033A)
Engineered to be the last worry in your coolant system
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2763232
Mfg#: 005224ECS01A

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Availability:
In Stock
On SALE Save 30%
$64.99

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

$45.49 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Carbon Fiber Engine Cover - (NO LONGER AVAILABLE)
Handmade carbon fiber cover for a cleaner look
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 4309
Mfg#: CF02V04
No longer available
This product has been superseded to ES#4840231
Street Shield Aluminum Skid Plate Kit - Audi B6 A4 - (NO LONGER AVAILABLE)
Protect your vehicle's oil pan and undercarriage components with our heavy duty aluminum skid plate
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2845867
Mfg#: 003252ECS02AKT2
No longer available
This product has been superseded to ES#4369811
ECS Tuning Baffled Oil Catch Can - 6oz - (NO LONGER AVAILABLE) - SS ES3663595
Capture harmful oil vapors and keep your intake tract clean with our 4 chamber, baffled oil catch can. For use with custom plumbing and ECS universal mounting bracket kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2816993
Mfg#: 003779ECS05A01
No longer available
This product has been superseded to ES#3663596
ECS Tuning Baffled Oil Catch Can - 8oz
Capture harmful oil vapors and keep your intake tract clean with our 4 chamber, baffled oil catch can. For use with custom plumbing and ECS universal mounting bracket kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2816990
Mfg#: 003779ECS05A02
No longer available
ECS Tuning Baffled Oil Catch Can Mounting Bracket Kit - Universal Fit
Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2918376
Mfg#: 003779ECS06KT

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Availability:
In Stock
On SALE Save 25%
$93.99

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

$70.29 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Front Coilover Add-On Kit - (NO LONGER AVAILABLE)
Convert your Bilstein shocks & aftermarket springs to coilovers
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 1928286
Mfg#: B6B7COK
No longer available
Fuel Pressure Gauge Kit
Great for custom tuning and easily installs on the pressure line
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5701
Mfg#: 000198500BLK-A

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Availability:
In Stock
On SALE
$65.99

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

$64.01 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Fuel Rail Spacer Kit
Includes the necessary parts to raise your fuel rail for larger injectors
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3159
Mfg#: ECS#152-2

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Availability:
In Stock
On SALE Save 40%
$29.99

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

$17.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Billet Engine Oil Dipstick & Funnel - Black Anodized Handle - (NO LONGER AVAILABLE)
A more durable and aesthetically pleasing addition to your engine bay
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2975675
Mfg#: 009380ECS0102KT2
No longer available
Billet Engine Oil Dipstick & Funnel - Polished Handle - (NO LONGER AVAILABLE)
A more durable and aesthetically pleasing addition to your engine bay
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2975674
Mfg#: 009380ECS0101KT2
No longer available
Billet Engine Oil Dipstick & Funnel - Silver Anodized Handle - (NO LONGER AVAILABLE)
A more durable and aesthetically pleasing addition to your engine bay
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2975676
Mfg#: 009380ECS0103KT2
No longer available
ECS V-Checker Scanner - Basic - (NO LONGER AVAILABLE)
Easy and compact way of checking and clearing your codes along with resetting service lights
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 9951
Mfg#: VAGCHECKERBASIC
No longer available
ECS V-Checker Scanner - Pro
Check/clear codes, view data from measuring blocks, perform adaptations
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 9950
Mfg#: VAGCHECKERPRO
No longer available
ECS Vent Pod Boost Gauge Kit - (NO LONGER AVAILABLE)
Vent-mounted digital boost gauge for B6 A4 looks factory installed
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with automatic driving headlight switch
Brand: ECS - Corporate Logo
ES#: 2696110
Mfg#: 8E0998003KT
No longer available
ECS Vent Pod Boost Gauge Kit - (NO LONGER AVAILABLE)
Vent-mounted digital boost gauge for B6 A4 looks factory installed
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles without automatic driving headlight switch
Brand: ECS - Corporate Logo
ES#: 8020
Mfg#: 8E0998003
No longer available
Vent Pod - Priced Each
Custom pod specifically designed for your B6 & B7 chassis Audi
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 8018
Mfg#: ECSB6B7VP

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Availability:
In Stock
On SALE Save 95%
Limited Qty Sale
$149.99

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

$7.00 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
RS4 Mesh Style Grille - Black - (NO LONGER AVAILABLE)
Add a sleek new look to your front end with this black mesh grille.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits B6 chassis Audi models
Brand: ECS - Corporate Logo
ES#: 2597927
Mfg#: YT601202PH
No longer available
Carbon Fiber Mirror Cap Set - Audi B6/B7/8P/C6
Upgrade your exterior look
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2804800
Mfg#: 010253ECS01KT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE
$344.99

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

$333.90 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle red conversion plate -w- red 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#: 2713404
Mfg#: 002598ECS17KT

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Availability:
In Stock
On SALE
$286.99

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

$278.38 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle red conversion plate and stainless still hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2731572
Mfg#: 002598ECS25KT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 10%
$164.99

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

$148.49 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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