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Your Vehicle BMW E93 335i N55 3.0L

Cooling System Service Kits | Audi MK1 TT 225HP '01-'06

Replacing cooling system components and performing a proper coolant flush will ensure a long life for your cooling system.

Most of the cooling system components are exposed to very high temperatures and repeated thermal cycling. Heat-hardening causes warping and cracking that leads to coolant loss and possible engine damage from overheating.

Avoid headaches altogether and replace all problematic items at once to keep your cooling system running efficiently.


Prevent problems

Fitment:
Audi MK1 TT 225HP 2001-2006

Cooling System Refresh Kit - Level 1
Replace your thermostat and temp sensors with one kit!
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#: 2680925
Mfg#: 059919501KT5

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Availability:
Ships in 1 Business Day
On SALE Save 19%
$89.99

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

$72.81 USD
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This product is lifetime replacement eligible Partial Replacement
Cooling System Refresh Kit - Level 1
Replace your thermostat and temp sensors with one kit!
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#: 2680923
Mfg#: 050121113CKT6

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Availability:
In Stock
On SALE Save 25%
$98.99

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

$74.58 USD
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This product is lifetime replacement eligible Partial Replacement
Cooling System Refresh Kit - Level 2
Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush!
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#: 2652248
Mfg#: 06A121121CKT4

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Availability:
Ships in 1 Business Day
On SALE Save 10%
$121.99

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

$109.91 USD
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This product is lifetime replacement eligible Partial Replacement
Cooling System Refresh Kit - Level 2
Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush!
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#: 2680927
Mfg#: 1J0121403BKT3

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Availability:
Ships in 1 day
On SALE Save 15%
$130.99

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

$111.93 USD
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This product is lifetime replacement eligible Partial Replacement
Coolant System Refresh Kit - Level 3
Replace critical cooling system components and perform a proper coolant system flush!
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#: 2680940
Mfg#: 06A121132APKT4

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Availability:
Ships in 1 day
On SALE
$138.99

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

$126.59 USD
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This product is lifetime replacement eligible Partial Replacement
Cooling System Refresh Kit - Level 3
Replace critical cooling system components and perform a proper coolant system flush!
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#: 2680939
Mfg#: 06A121132APKT2

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Availability:
Ships in 1 Business Day
On SALE
$129.99

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

$117.98 USD
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This product is lifetime replacement eligible Partial Replacement
Cast Aluminum Cooling System Upgrade Kit
Replace the failure prone components in your cooling system with cast aluminum
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#: 3086229
Mfg#: 006368ECS01A1KT

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Availability:
Back Ordered
Auto Notify
On SALE Save 24%
$231.99

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

$176.98 USD
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This product is lifetime replacement eligible Lifetime Replacement
This product has been superseded to ES#4672297
Genuine Volkswagen Audi G13 Coolant / Antifreeze - 1 Gallon (3.78 Liters)
Lilac Extended Life Coolant
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Brand: Genuine Volkswagen Audi - Corporate Logo
ES#: 2603000
Mfg#: G013A8J1G
No longer available
G13 Coolant - 1.5 Liter (Concentrate)
Lilac Pentofrost OE specification lifetime coolant.
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Brand: Pentosin - Corporate Logo
ES#: 2748899
Mfg#: G013A8JM1

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Availability:
In Stock
On SALE
$19.99

This product was last offered at the strikethrough price on
06-29-2026

$18.99 USD
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on orders $49 and up
G13 Coolant - 1.5 Liter
Lilac OE VW/Audi specification concentrate lifetime coolant
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Brand: Vaico - Corporate Logo
ES#: 2603076
Mfg#: G013A8JM1

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Availability:
In Stock
$21.99 USD
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on orders $49 and up
G13 Coolant - 5 Liter (1.32 Gallons)
Lilac Pentofrost OE specification lifetime coolant
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Pentosin - Corporate Logo
ES#: 2748904
Mfg#: G013A8J1G

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Availability:
In Stock
On SALE
$44.99

This product was last offered at the strikethrough price on
06-29-2026

$42.74 USD
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on orders $49 and up
This product has been superseded to ES#2748904
G13 Coolant - 5 Liter (1.32 Gallons)
Lilac OE specification lifetime coolant
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Brand: Vaico - Corporate Logo
ES#: 2804352
Mfg#: G013A8J1G
No longer available
Cooling System Flush Kit
Keep your cooling system working at its best by keeping it clean and free of rust and scale deposits. Includes new expansion tank cap, flush treatment & G13 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#: 2784778
Mfg#: CO0LANTFLUSHKT1

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Availability:
In Stock
On SALE Save 21%
$65.99

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

$52.44 USD
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on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
Coolant Flush Kit
Includes Schwaben coolant refill/air purge tool and 3 liters of G13 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#: 3063385
Mfg#: G013A8JM1KT

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Availability:
In Stock
On SALE Save 18%
$157.99

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

$130.02 USD
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This product is lifetime replacement eligible Partial Replacement
Cooling Flange Replacement Kit
Cure the common coolant leak coming from the back of your engine compartment
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Brand: Assembled By ECS - Corporate Logo
ES#: 2771158
Mfg#: 06A121132APKT5

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Availability:
In Stock
On SALE Save 18%
$29.94

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

$24.51 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Heavy Duty Cast Aluminum Thermostat Housing
The last thermostat housing you'll ever need!
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Brand: ECS - Corporate Logo
ES#: 3086042
Mfg#: 006660ECS01

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Availability:
In Stock
On SALE Save 25%
$85.99

This product was last offered at the strikethrough price on
06-13-2026

$64.49 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Expansion Tank Replacement Kit - Complete Assembly
Clean up your engine bay or replace your cracked unit with a new coolant expansion tank replacement kit.
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#: 2575924
Mfg#: 1J01000-1

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Availability:
In Stock
On SALE Save 18%
$29.99

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

$24.70 USD
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on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
Thermostat Replacement Kit (87°C) - Featuring ECS Heavy Duty Cast Aluminum Thermostat Housing
Replace aged components while upgrading, with our ECS Cast Aluminum Thermostat Housing
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#: 3138531
Mfg#: 006660ECS01-01KT

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Availability:
In Stock
On SALE Save 23%
$112.96

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

$86.97 USD
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This product is lifetime replacement eligible Lifetime Replacement
Thermostat Replacement Kit
Everything you need to service a faulty thermostat
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#: 2581582
Mfg#: 050121113CKT2

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Availability:
In Stock
On SALE Save 24%
$33.99

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

$25.94 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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