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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

Timing Chain Kit - standard - (NO LONGER AVAILABLE)
The essentials necessary to get the job done
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Up to VIN# 8E-4-200 000, split is in 2004 model year
Brand: Assembled By ECS - Corporate Logo
ES#: 2593413
Mfg#: 079109229KT
No longer available
Timing Chain Kit
Includes the upgraded RS4 metal guide rail, OEM additional guide rails, OE timing chains and tensioners - The essentials necessary to get the job done!
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From VIN# 8E-4-200001, split is in 2004 model year
Brand: Assembled By ECS - Corporate Logo
ES#: 2593417
Mfg#: 079109229KT1

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Availability:
Ships in 5 Business Days
On SALE Save 12%
$2065.99

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

$1823.47 USD
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This product is lifetime replacement eligible Partial Replacement
Left & Right Timing Chain Kit
This kit comes with the necessary timing chains and guides to get your timing job done, does not include 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#: 2593410
Mfg#: 079109229LKT

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Availability:
In Stock
On SALE Save 24%
$512.99

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

$392.37 USD
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This product is lifetime replacement eligible Lifetime Replacement
Lower Timing Chain Kit
Kit includes the timing chain and neccassay guides to complete your timing chain job, does not include hardware
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Brand: Assembled By ECS - Corporate Logo
ES#: 2593409
Mfg#: 079109229DKT

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Availability:
In Stock
On SALE Save 23%
$309.99

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

$237.23 USD
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This product is lifetime replacement eligible Lifetime Replacement
Cooling System Refresh Kit
Service your critical cooling system components with this complete kit.
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Includes thermostat with housing.
Brand: Assembled By ECS - Corporate Logo
ES#: 2593820
Mfg#: 079121111JKT3

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Availability:
In Stock at Vendor
$656.99 USD
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This product is lifetime replacement eligible Partial Replacement
Cooling System Refresh Kit - (NO LONGER AVAILABLE)
Service your critical cooling system components with this complete kit.
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Includes thermostat without housing.
Brand: Assembled By ECS - Corporate Logo
ES#: 2770157
Mfg#: 079121111JKT5
No longer available
Expansion Tank Replacement Kit
Everything you need to replace your faded, cracked, or leaky expansion tank!
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Brand: Assembled By ECS - Corporate Logo
ES#: 2637204
Mfg#: 8E0121403FKT2

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Availability:
In Stock
On SALE
$62.99

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

$57.64 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Expansion Tank Replacement Kit W/ R8 Coolant Cap
Install a brand new expansion tank with a new R8 polished aluminum cap and hardware
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Brand: Assembled By ECS - Corporate Logo
ES#: 2637205
Mfg#: 8E0121403FKT3

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Availability:
Ships in 3 Business Days
$357.91 USD
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This product is lifetime replacement eligible Lifetime Replacement
Heater Core Refresh Kit
Complete kit to replace your broken heater core
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Brand: Assembled By ECS - Corporate Logo
ES#: 2731839
Mfg#: 8E1820031KT

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Availability:
In Stock
On SALE Save 16%
$132.99

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

$112.28 USD
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This product is lifetime replacement eligible Partial Replacement
Belly Pan & Installation Hardware Kit
Includes a replacement belly pan with all necessary mounting hardware
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Brand: Assembled By ECS - Corporate Logo
ES#: 2622505
Mfg#: 8E0863821ALKT

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Availability:
Ships in 8 Business Days
On SALE Save 24%
$359.99

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

$274.27 USD
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This product is lifetime replacement eligible Lifetime Replacement
Expansion Tank & Washer Fluid Reservoir Cap Set - Black
Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones
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Brand: Assembled By ECS - Corporate Logo
ES#: 2804150
Mfg#: 009635ECS02KT

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Availability:
In Stock
On SALE Save 37%
$48.98

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

$30.73 USD
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on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
Accessory Belt Kit
Belt service kit includes belt, tensioner, & hardware to keep your belt where it should be!
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Brand: Assembled By ECS - Corporate Logo
ES#: 2762331
Mfg#: 079903133RKT1

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Availability:
In Stock
On SALE Save 48%
$460.99

This product was last offered at the strikethrough price on
12-08-2025

$239.31 USD
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This product is lifetime replacement eligible Lifetime Replacement
Ignition Service Kit
Includes eight red genuine coil packs and eight NGK spark plugs
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Brand: Assembled By ECS - Corporate Logo
ES#: 2532305
Mfg#: BKR6EQUAKT

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Availability:
Ships in 1-2 days
$871.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Emissions Service Kit
Complete PCV Kit for your engine
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Brand: Assembled By ECS - Corporate Logo
ES#: 2642749
Mfg#: 077103245BKT

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Availability:
Ships in 10 Business Days
$917.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Pressure Control Valve (PCV)
Also called the "breather valve" or "oil separator". Includes hose clamps
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Brand: Assembled By ECS - Corporate Logo
ES#: 2804359
Mfg#: 077103245BKT4

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Availability:
In Stock
On SALE Save 38%
$33.99

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

$20.98 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Suction Pump replacement kit
Restore engine performance
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Brand: Assembled By ECS - Corporate Logo
ES#: 2771210
Mfg#: 058133753DKT1

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Availability:
In Stock
On SALE Save 23%
$31.28

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

$23.97 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Intake Manifold Installation Kit
Everything you need to remove and re-install your intake manifold
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Brand: Assembled By ECS - Corporate Logo
ES#: 2771916
Mfg#: 077129717QKT2

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Availability:
Ships in 3 Business Days
On SALE
$191.48

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

$180.68 USD
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This product is lifetime replacement eligible Lifetime Replacement
Oil Pan Replacement Kit
Everything required to replace your leaking pan, including the oil change
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Brand: Assembled By ECS - Corporate Logo
ES#: 2602394
Mfg#: 079103602QKT

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Availability:
Ships in 6 Business Days
$1134.99 USD
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This product is lifetime replacement eligible Partial Replacement
Oil Check Valve Service Kit
Service your oil check valves to ensure your cylinder heads are properly lubricated
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Brand: Assembled By ECS - Corporate Logo
ES#: 2765724
Mfg#: 079103175CKT

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Availability:
In Stock at Vendor
On SALE
$285.99

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

$279.42 USD
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This product is lifetime replacement eligible Partial Replacement
Oil Service Kit
Includes 10 Liters Pentosin 5w-40 Synthetic 502 rated motor oil, oil filter, and drain plug sealing washer
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Brand: Assembled By ECS - Corporate Logo
ES#: 6777
Mfg#: B6B7S43KSK5-40

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Availability:
In Stock
$122.99 USD
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This product is lifetime replacement eligible Partial Replacement
Oil Service Kit - premium
Includes Hengst oil filter and Liqui-Moly High Tech 5w-40 oil
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Brand: Assembled By ECS - Corporate Logo
ES#: 2823190
Mfg#: 2332KT8

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Availability:
In Stock
On SALE
$114.99

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

$113.57 USD
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This product is lifetime replacement eligible Partial Replacement
Oil Service Kit - Premium
Includes 10 liters of Motul 5w-40 synthetic oil, filter, and drain plug sealing washer
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Brand: Assembled By ECS - Corporate Logo
ES#: 1892014
Mfg#: 4M0V83KOILKT

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Availability:
In Stock
On SALE
$132.99

This product was last offered at the strikethrough price on
05-29-2026

$130.42 USD
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This product is lifetime replacement eligible Partial Replacement
Oil Service Kit - Premium With ECS Magnetic Drain Plug
Includes Motul 5w-40 synthetic oil, filter, and ECS' magnetic drain plug
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Brand: Assembled By ECS - Corporate Logo
ES#: 2840731
Mfg#: 079198405KT3

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Availability:
In Stock
On SALE
$168.99

This product was last offered at the strikethrough price on
05-29-2026

$165.51 USD
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This product is lifetime replacement eligible Partial Replacement
Oil Service Kit - With ECS Magnetic Drain Plug
Includes Pentosin 5w-40 Synthetic, oil filter, and magnetic drain plug
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Brand: Assembled By ECS - Corporate Logo
ES#: 2840814
Mfg#: 079198405KT6

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Availability:
In Stock
On SALE
$185.99

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

$177.19 USD
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This product is lifetime replacement eligible Partial Replacement
Front & Rear Brake Service Kit
Featuring ECS V5 coated rotors and ECS DD23 "Daily Driver" ceramic pads.
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Brand: Assembled By ECS - Corporate Logo
ES#: 2561962
Mfg#: 8E0615301TKT1

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Availability:
Ships in 6 Business Days
On SALE Save 10%
$596.99

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

$538.09 USD
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This product is lifetime replacement eligible Lifetime Replacement
Front Brake Service Kit
Featuring ECS V5 rotors and ECS DD23 ceramic pads.
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Brand: Assembled By ECS - Corporate Logo
ES#: 2562185
Mfg#: 8E0615301TK1

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Availability:
In Stock
On SALE Save 20%
$418.99

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

$335.25 USD
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This product is lifetime replacement eligible Lifetime Replacement
Rear Brake Service Kit
Featuring Zimmermann rotors and ECS DD23 "Daily Driver" ceramic 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#: 2561958
Mfg#: 8E0615601RKT

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Availability:
In Stock at Vendor
On SALE
$224.99

This product was last offered at the strikethrough price on
04-09-2026

$214.86 USD
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This product is lifetime replacement eligible Lifetime Replacement
This product has been superseded to ES#3537605
Performance Front & Rear Brake Service Kit - (NO LONGER AVAILABLE)
Featuring ECS GEOMET Slotted rotors and Hawk HPS pads
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Brand: Assembled By ECS - Corporate Logo
ES#: 2561961
Mfg#: 8E0301TSLGMTKT1
No longer available
This product has been superseded to ES#3537599
Performance Front & 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#: 2561960
Mfg#: 8E0301TXSGMTKT1
No longer available

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

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