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Your Vehicle Audi D3 A8 Quattro 4.2

Audi B6 S4 - Assembled By ECS Limited Time Sale

Driving season is right around the corner; Whether it's preventative maintenance, routine service, or buttoning up your seasonal project, don't wait until the eleventh hour to finish up your wintertime vehicle work.

At ECS Tuning, we have the goods to get your vehicle back on the road. Assembled By ECS kits are offered in a large variety to mend nearly any ailing Audi. Get your project underway and spend your Spring behind the wheel!


Missing Something?

Fits:
Audi B6 S4 2004-2005

This product has been superseded to ES#3537604
Performance Front Brake Service Kit - (NO LONGER AVAILABLE)
Featuring ECS GEOMET Slotted rotors and Hawk HPS pads
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2561953
Mfg#: 8E0301TSLGMTKT
No longer available
Performance Front Brake Service Kit - (NO LONGER AVAILABLE)
Featuring ECS GEOMET Drilled & Slotted rotors and Hawk HPS pads
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2561952
Mfg#: 8E0301TXSGMTKT
No longer available
This product has been superseded to ES#3537678
Performance Rear Brake Service Kit - (NO LONGER AVAILABLE)
Featuring ECS GEOMET Slotted rotors and Hawk HPS pads
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2561955
Mfg#: 8E0601RSLGMTKT
No longer available
This product has been superseded to ES#3537674
Performance Rear Brake Service Kit - (NO LONGER AVAILABLE)
Featuring ECS GEOMET Drilled & Slotted rotors and Hawk HPS pads
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2561954
Mfg#: 8E0601RXSGMTKT
No longer available
Brake Fluid Flush Kit - Level 1
Includes a Schwaben European Pressure Bleeder, Schwaben Bleeder Wrench, and 1 liter of Pentosin Super DOT4 brake fluid
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2765515
Mfg#: 007091ECS01KT

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Availability:
In Stock
On SALE Save 21%
$123.99

This product was last offered at the strikethrough price on
01-03-2026

$98.57 USD
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This product is lifetime replacement eligible Partial Replacement
Brake Fluid Flush Kit - Level 2
Includes a Schwaben European Pressure Bleeder & Catch Bottles, Schwaben Bleeder Wrench, and 1 liter of Pentosin Super DOT4 brake fluid
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2765516
Mfg#: 007091ECS02KT

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Availability:
In Stock
On SALE Save 23%
$169.42

This product was last offered at the strikethrough price on
01-03-2026

$131.16 USD
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This product is lifetime replacement eligible Partial Replacement
Performance Brake Fluid Flush Kit - Level 3
Includes a Schwaben European Pressure Bleeder & Catch Bottles, Schwaben Bleeder Wrench, and 1 liter of Ate TYP 200 brake fluid
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2765517
Mfg#: 007091ECS03KT

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Availability:
In Stock at Vendor
On SALE Save 16%
$167.01

This product was last offered at the strikethrough price on
01-03-2026

$139.76 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
Racing Brake Fluid Flush Kit - Level 3
Includes a Schwaben European Pressure Bleeder & Catch Bottles, Schwaben Bleeder Wrench, and 1 liter of Hawk HP600 Performance Race Brake Fluid
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Schwaben for ECS - Corporate Logo
ES#: 2918224
Mfg#: 007091ECS04KT

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Availability:
In Stock
On SALE Save 26%
$229.68

This product was last offered at the strikethrough price on
01-03-2026

$170.05 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
Rear Differential Service Kit - With ECS Magnetic Drain/Fill Plug
Complete kit with Motul Gear 300 fluid to service your rear differential
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For cars with 01R final drive. (2004-2007)
Brand: Assembled By ECS - Corporate Logo
ES#: 2538236
Mfg#: 016409399BKT

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Availability:
Ships on Aug 14, 2026
Auto Notify
On SALE Save 14%
$110.99

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

$95.04 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
Rear Differential Service Kit - With ECS Magnetic Drain/Fill Plug
Complete kit with Redline 75w90 fluid to service your rear differential
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For cars with 01R final drive. (2004-2007)
Brand: Assembled By ECS - Corporate Logo
ES#: 2580731
Mfg#: 016409399BKT2

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

Availability:
Ships on Aug 14, 2026
Auto Notify
On SALE Save 18%
$135.99

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

$112.08 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
Automatic Transmission Service Kit
Includes a new filter and pan gasket for your six-speed automatic
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2575606
Mfg#: 09L321371G060KT2

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Availability:
Ships in 10 Business Days
$305.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
Manual Transmission Service Kit - With Magnetic Drain Plug
Featuring Redline MT-90 fluid to service your transmission
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2569942
Mfg#: N10037106KT

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Availability:
Ships on Aug 14, 2026
Auto Notify
On SALE
$109.99

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

$104.81 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
Manual Transmission Service Kit - With ECS Magnetic Drain Plug
Featuring Redline MTL fluid to service your transmission
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2569944
Mfg#: N10037106KT2

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

Availability:
Ships on Aug 14, 2026
Auto Notify
On SALE
$109.99

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

$104.81 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
40k Service Kit - 0W-30 Synthetic Oil
Includes everything you need to complete the factory 40k service
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to Vin 8E-5-065000, split is in the 2005 model year
Brand: Assembled By ECS - Corporate Logo
ES#: 251877
Mfg#: B6B7S440K0-30

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Availability:
Ships in 1 day
On SALE
$382.99

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

$377.62 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
40k Service Kit - 5W-40 Synthetic Oil
Includes everything you need to complete the factory 40k service
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-5-065001, split is in the 2005 model year
Brand: Assembled By ECS - Corporate Logo
ES#: 261280
Mfg#: B6B7S440K25-40

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Availability:
Ships in 8 Business Days
On SALE
$394.99

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

$384.70 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
40k Service Kit - 5W-40 Synthetic Oil
Includes everything you need to complete the factory 40k service
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to Vin 8E-5-065000, split is in the 2005 model year
Brand: Assembled By ECS - Corporate Logo
ES#: 251879
Mfg#: B6B7S440K5-40

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

Availability:
Ships in 1 Business Day
On SALE
$397.99

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

$393.13 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
RS4 Jack Pad Kit
Add OEM RS4 jack pads to your B6 or B7 Audi
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2598405
Mfg#: 8E0801789KT2

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

Availability:
Ships in 1 day
On SALE
$351.99

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

$340.87 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Front CV Joint Refresh Kit - Priced Each
Includes both inner & outer boots with hardware - Services one axle
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2771888
Mfg#: 4E0498201KT1

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Availability:
Ships in 1 Business Day
$50.00 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
rear CV Joint Refresh Kit - Priced Each
Includes both inner & outer boots with hardware - Services one axle
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2771892
Mfg#: 8E0498201FKT1

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Availability:
Ships in 4 Business Days
$57.94 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Cup Kit/Coilover Installation Kit
Includes shock/strut mounts, spring pads, and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2581959
Mfg#: 4F0513353DKT

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

Availability:
Ships in 1 day
On SALE Save 10%
$336.99

This product was last offered at the strikethrough price on
04-20-2026

$304.06 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Front Suspension Install Kit
Everything you need for a correct front suspension install
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2762725
Mfg#: 8E0412377CKT1

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 34%
$120.75

This product was last offered at the strikethrough price on
04-20-2026

$79.30 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Rear Suspension Install Kit
All hardware and mounts necessary to install new suspension
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2762728
Mfg#: 4F0513353DKT2

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Availability:
Ships in 1 day
$218.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Front Lower Control Arm Kit
Includes all front lower control arms & hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2808818
Mfg#: 8E0407151RKT5

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

Availability:
Ships on Sep 29, 2026
On SALE Save 10%
$443.99

This product was last offered at the strikethrough price on
01-03-2026

$401.26 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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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