Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi A4 Cooling System Service & Maintenance Parts

Sort By
Filter By
Return to Top

Cooling System Refresh Kit - Level 1

ES#2608175 - 06C121111CKT - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensors with one kit! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608175
Mfg#:
06C121111CKT
Ships in 1-2 days
ON SALE! SAVE 14%
$128.99

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

$110.46 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

ES#2762280 - 06C121111CKT1 - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Genuine Volkswagen Audi - Audi

Replace your thermostat and temp sensors with one kit!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2762280
Mfg#:
06C121111CKT1
Ships in 1-2 days
$311.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2

ES#4220575 - 06H121026BAKT4 - Cooling System Refresh Kit - Level 2 - This comprehensive kit eliminates weak spots in your cooling system - Genuine Volkswagen Audi - Audi

This comprehensive kit eliminates weak spots in your cooling system Automatic transmission vehicles only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4220575
Mfg#:
06H121026BAKT4
Ships in 1-2 days
$1580.99

This product was last offered at the strikethrough price on
06-26-2026

$1573.99 USD
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2

ES#4220577 - 06H121026BAKT5 - Cooling System Refresh Kit - Level 2 - This comprehensive kit eliminates weak spots in your cooling system - Genuine Volkswagen Audi - Audi

This comprehensive kit eliminates weak spots in your cooling system Manual transmission vehicles only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4220577
Mfg#:
06H121026BAKT5
Ships in 1-2 days
$1470.99

This product was last offered at the strikethrough price on
06-26-2026

$1463.99 USD
This product is lifetime replacement eligible Partial Replacement

Water Pump And Thermostat Kit

ES#4820335 - 06H121026BA6KT - Water Pump And Thermostat Kit - Includes genuine water pump, thermostat and hardware. - Genuine Volkswagen Audi - Audi

Includes genuine water pump, thermostat and hardware. For vehicles with Inzi water pumps up to production date 6/3/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4820335
Mfg#:
06H121026BA6KT
Ships in 1-2 days
$681.99 USD
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit

ES#2778204 - 078121113FKT9 - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8D-X-315001 Up to VIN 8D-X-500000, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2778204
Mfg#:
078121113FKT9
Ships on Dec 9, 2026
ON SALE!
$112.99

This product was last offered at the strikethrough price on
06-18-2026

$110.78 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2608143 - 050121113CKT4 - Cooling System Refresh Kit - Level 3 - Replace critical cooling system components and perform a proper coolant system flush! - Assembled By ECS - Audi

Replace critical cooling system components and perform a proper coolant system flush! 10X Entries For Our 25th Anniversary Sweepstakes!
Engine codes AEB & ATW from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608143
Mfg#:
050121113CKT4
Ships on Dec 24, 2026
ON SALE!
$194.99

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

$184.22 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2

ES#2608176 - 06C121111CKT2 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608176
Mfg#:
06C121111CKT2
Back Ordered
ON SALE!
$212.99

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

$200.60 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2608178 - 06C121085HKT - Cooling System Refresh Kit - Level 3 - Replace critical cooling system components and perform a proper coolant system flush! - Assembled By ECS - Audi

Replace critical cooling system components and perform a proper coolant system flush! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608178
Mfg#:
06C121085HKT
Back Ordered
ON SALE!
$428.99

This product was last offered at the strikethrough price on
06-18-2026

$426.68 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Cooling System Service & Maintenance Parts

From individual cooling system parts to full cooling system refresh kits and cooling system upgrades, we have it all right here so you can keep your engine temperature in check or improve cooling system performance to meet the demands you place on your car.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings