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Your Vehicle Audi B5 A4 FWD 1.8T

Top - Assembled By ECS Service Kits - B5 S4

One of the biggest concerns we have when working on our cars at home is ordering every part we need for the job and worrying if we picked the correct parts. Making an easy mistake like that slows us down and keeps our cars out of commission for longer than we want. That�s why at ECS Tuning, we have put together full Assembled By ECS kits for your car that comes with everything you need from the quality manufacturers you trust to tackle that service project stress-free.


Top - Assembled By ECS Service Kits

Fits:
For Your Audi B5 S4 2.7T

premium Oil Service Kit
Includes Mann oil filter and Liqui-Moly High Tech 5w-40 oil
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Brand: Assembled By ECS - Corporate Logo
ES#: 2817110
Mfg#: 2332KT5

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Availability:
In Stock
On SALE
$96.99

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

$96.14 USD
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This product is lifetime replacement eligible Partial Replacement
Liqui Moly MolyGen - Premium Oil Service Kit
Includes Hengst oil filter and Liqui Moly 5w-40 oil with MolyGen technology
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Brand: Assembled By ECS - Corporate Logo
ES#: 3439021
Mfg#: MOLYGENKT

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Availability:
In Stock
On SALE Save 20%
$117.99

This product was last offered at the strikethrough price on
05-15-2026

$94.90 USD
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This product is lifetime replacement eligible Partial Replacement
premium Oil Service Kit - With ECS Magnetic Drain Plug
Includes Mann oil filter and Liqui-Moly High Tech 5w-40 oil
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Brand: Assembled By ECS - Corporate Logo
ES#: 2817109
Mfg#: 2332KT4

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Availability:
In Stock
On SALE
$113.99

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

$110.30 USD
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This product is lifetime replacement eligible Partial Replacement
Liqui Moly MolyGen - Premium Oil Service Kit - With ECS Magnetic Drain Plug
Includes Mann oil filter and Liqui Moly 5w-40 oil with MolyGen technology
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Brand: Assembled By ECS - Corporate Logo
ES#: 3439022
Mfg#: MOLYGENKT1

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Availability:
In Stock
On SALE Save 17%
$131.99

This product was last offered at the strikethrough price on
05-15-2026

$109.09 USD
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This product is lifetime replacement eligible Partial Replacement
Ignition Service Kit
Includes six Beru coil packs and NGK spark plugs to service your ignition
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Brand: Assembled By ECS - Corporate Logo
ES#: 8038
Mfg#: 058998106

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Availability:
Ships in 1 Business Day
$405.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Ignition Service Kit
Includes six Beru coil packs and Denso spark plugs to service your ignition
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Brand: Assembled By ECS - Corporate Logo
ES#: 2500528
Mfg#: 5304058905105KIT

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Availability:
Ships in 1-2 days
$346.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Cooling System Refresh Kit - Level 1
Replace your thermostat and temp sensors with one kit!
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Brand: Assembled By ECS - Corporate Logo
ES#: 2608209
Mfg#: 078121113FKT

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Availability:
In Stock
On SALE Save 19%
$109.99

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

$89.44 USD
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This product is lifetime replacement eligible Partial Replacement
Cooling System Refresh Kit - Level 2
Replace critical cooling system components and perform a proper coolant system flush!
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Brand: Assembled By ECS - Corporate Logo
ES#: 2796215
Mfg#: 078121121KKT1

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Availability:
Ships on Sep 30, 2026
On SALE
$204.99

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

$187.68 USD
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This product is lifetime replacement eligible Partial Replacement
RS4 K04 Turbochargers With Install Kit
Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware
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Brand: Assembled By ECS - Corporate Logo
ES#: 3247798
Mfg#: 5304988002526KT

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Availability:
Ships in 1 Business Day
$3214.00 USD
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This product is lifetime replacement eligible Lifetime Replacement
K03 Replacement Kit
Restore boost and get going!
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Brand: Assembled By ECS - Corporate Logo
ES#: 259912
Mfg#: S4K03

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Availability:
Ships in 1 Business Day
$2471.90 USD
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This product is lifetime replacement eligible Lifetime Replacement
K04/K03 Turbocharger Installation Kit
Includes all hardware & gaskets to install turbos - plus turbo mounting bolts
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Brand: Assembled By ECS - Corporate Logo
ES#: 2724103
Mfg#: RS4KO4INSTKT

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Availability:
Ships in 7 Business Days
On SALE Save 14%
$218.65

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

$187.59 USD
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This product is lifetime replacement eligible Lifetime Replacement
710N Diverter Valve - Priced Each
A great upgrade for stock to mildly tuned engines. Includes band clamps
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Brand: Assembled By ECS - Corporate Logo
ES#: 2804306
Mfg#: 06A145710NKT

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Availability:
In Stock
On SALE Save 24%
$51.99

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

$39.73 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Accessory Belt Kit
Keep your accessories running properly with a new tensioner and drive belt
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Securing hardware has been discontinued from manufacturer and is no longer included in kit contents.
Brand: Assembled By ECS - Corporate Logo
ES#: 2581792
Mfg#: 6PK1856KT
No longer available
Lightweight Pulley Installation Hardware Kit
Includes brand new hardware to secure your new ECS Tuning Lightweight Pulley Set!
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Brand: Assembled By ECS - Corporate Logo
ES#: 3142421
Mfg#: N01473911KT3

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Availability:
Ships in 1-2 days
On SALE Save 11%
$58.99

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

$52.75 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Alternator Pulley Hardware Kit
A new washer and nut to install your pulley
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Brand: Assembled By ECS - Corporate Logo
ES#: 2855340
Mfg#: 028903320CKT

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Availability:
Ships in 1-2 days
On SALE Save 25%
$13.99

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

$10.49 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
01V Automatic Transmission Service Kit
Includes the necessary filter, plugs, gaskets, and Vaico ATF G052 fluid to service your transmission
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Brand: Assembled By ECS - Corporate Logo
ES#: 261797
Mfg#: ECS01VSKT

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Availability:
Ships on Nov 5, 2026
On SALE Save 35%
$351.15

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

$228.33 USD
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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
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Brand: Assembled By ECS - Corporate Logo
ES#: 2580731
Mfg#: 016409399BKT2

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

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

$112.08 USD
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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
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Brand: Assembled By ECS - Corporate Logo
ES#: 2569942
Mfg#: N10037106KT

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

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

$104.81 USD
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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
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Brand: Assembled By ECS - Corporate Logo
ES#: 2569944
Mfg#: N10037106KT2

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

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

$104.81 USD
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on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
Clutch Kit
Revive the response & feel of your transmission with an RS4 clutch
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Replacement clutch kit for the RA4 Stage 2 conversion
Brand: Assembled By ECS - Corporate Logo
ES#: 1327
Mfg#: RS4CLUTCHKIT

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Availability:
In Stock
On SALE
$567.99

This product was last offered at the strikethrough price on
05-20-2026

$526.00 USD
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This product is lifetime replacement eligible Lifetime Replacement
Stage 1 Clutch Kit - Lightweight Aluminum Flywheel (12lb)
12lb lightweight aluminum flywheel & RS4 clutch kit
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Brand: Assembled By ECS - Corporate Logo
ES#: 1328
Mfg#: B5S4RS4CKFW

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Availability:
Ships in 1-2 days
$948.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Timing Belt Kit - Ultimate
Complete kit to service your timing belt, water pump, and thermostat
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Brand: Assembled By ECS - Corporate Logo
ES#: 2576
Mfg#: 078198479 V2TT

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Availability:
In Stock
On SALE
$223.99

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

$204.25 USD
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This product is lifetime replacement eligible Lifetime Replacement
Timing Belt Kit - Ultimate with Gates Racing Timing Belt
Complete kit to service your timing belt, water pump, and thermostat
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Brand: Assembled By ECS - Corporate Logo
ES#: 2777124
Mfg#: 078198479KT2

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Availability:
In Stock
On SALE
$379.99

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

$354.93 USD
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This product is lifetime replacement eligible Lifetime Replacement
Timing Belt Kit - Ultimate Plus
Our most complete timing belt kit with coolant
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Brand: Assembled By ECS - Corporate Logo
ES#: 6168
Mfg#: 078198479V2TT+

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Availability:
In Stock
On SALE
$386.99

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

$356.67 USD
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This product is lifetime replacement eligible Partial Replacement
Timing Belt Kit - Ultimate With Gates Racing Timing Belt & Cam Locking Tool
Complete kit to service your timing belt, water pump, and thermostat
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Brand: Assembled By ECS - Corporate Logo
ES#: 2777125
Mfg#: 078198671KT

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Availability:
In Stock
On SALE Save 10%
$622.99

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

$557.74 USD
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This product is lifetime replacement eligible Lifetime Replacement
Timing Belt Kit - Ultimate With Cam Locking Tool
Complete kit to service your timing belt, water pump, and thermostat
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Brand: Assembled By ECS - Corporate Logo
ES#: 7440
Mfg#: 078198671

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Availability:
In Stock
On SALE Save 19%
$487.99

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

$394.34 USD
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This product is lifetime replacement eligible Lifetime Replacement
Timing Belt Kit - Ultimate Plus With Gates Racing Timing Belt & Cam Locking Tool
Looking for the best timing belt kit on the market? Look no further than ECS Tuning
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Brand: Assembled By ECS - Corporate Logo
ES#: 2569854
Mfg#: 078109119JKT3

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Availability:
In Stock
On SALE Save 10%
$786.99

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

$710.16 USD
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This product is lifetime replacement eligible Partial Replacement
Timing Belt Kit - Ultimate Plus With Gates Racing Timing Belt
Looking for the best timing belt kit on the market? Look no further than ECS Tuning
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Brand: Assembled By ECS - Corporate Logo
ES#: 2762570
Mfg#: 078109119JKT6

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Availability:
In Stock
On SALE
$543.99

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

$529.59 USD
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This product is lifetime replacement eligible Partial Replacement
Timing Belt Kit - Ultimate Plus With Cam Locking Tool
Our most complete timing belt kit with coolant
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#: 7439
Mfg#: 078198670

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Availability:
In Stock
On SALE Save 13%
$623.99

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

$540.85 USD
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This product is lifetime replacement eligible Partial 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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