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

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
affirm financing terms & conditions
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Volkswagen Cooling System Service & Maintenance Parts

Sort By
Filter By
Return to Top

Thermostat Replacement Kit

ES#2588723 - 06F121111FKT - Thermostat Replacement Kit - Includes thermostat with housing, o-ring and mounting hardware - Assembled By ECS - Audi Volkswagen

Includes thermostat with housing, o-ring and mounting hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with FSI engines only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2588723
Mfg#:
06F121111FKT
In Stock
ON SALE! SAVE 23%
$48.97

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

$37.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters)

ES#3420837 - 00004330575 - G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters) - Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. - Zerex - Audi Volkswagen Mercedes Benz Porsche

Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zerex - Corporate Logo
ES#:
3420837
Mfg#:
00004330575
Back Ordered
$40.99

This product was last offered at the strikethrough price on
03-29-2026

$29.99 USD
Free Shipping
on orders $49 and up

Lock Carrier Tool Set - M10

ES#4742597 - 01598sch01KT - Lock Carrier Tool Set - M10 - Extended lock carrier bolt to make extra room without removing the entire front end. - Schwaben - Audi Volkswagen
ECS Tuning recommends this product.

Extended lock carrier bolt to make extra room without removing the entire front end. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4742597
Mfg#:
01598SCH01KT
Ships in 3 Business Days
ON SALE! SAVE 18%
$21.90

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

$17.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperCool Performance Coolant - Pre-Mixed - 1 Gallon

ES#4338527 - 81215 - SuperCool Performance Coolant - Pre-Mixed - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
4338527
Mfg#:
81215
In Stock
$54.99 USD
Free Shipping
on orders $49 and up

Silicone Coolant Hose Kit - Select Your Color

ES#4660181 - AUT-MK5-002 - Silicone Coolant Hose Kit - Select Your Color - Replace your stock rubber hoses with silicone - Autobahn Autoworx - Audi Volkswagen

Replace your stock rubber hoses with silicone affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Install photos also show the Silicone PCV Hose Set (ES4362450) which is not included but available separately.
For vehicles with BPY engine code only

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4660181
Mfg#:
AUT-MK5-002
Ships in 1 Business Day
Starting at $200.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Build-Your-Own MK4 12v VR6 Performance Cooling System Refresh Kit

ES#4005773 - 018163ECS04 - Build-Your-Own MK4 12v VR6 Performance Cooling System Refresh Kit - Upgrade your VR6's cooling system with select performance upgrades from ECS Tuning! - Assembled By ECS - Volkswagen

Upgrade your VR6's cooling system with select performance upgrades from ECS Tuning! 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#:
4005773
Mfg#:
018163ECS04
Back Ordered
ON SALE!
Starting at $267.74 USD
Customize
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Performance

ES#2586603 - MKIVGLICOOLKT2 - ECS Cooling System Refresh Kit - Performance - This comprehensive kit eliminates weak spots in your cooling system and replaces them with performance options. Black hoses - Assembled By ECS - Volkswagen

This comprehensive kit eliminates weak spots in your cooling system and replaces them with performance options. Black hoses 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#:
2586603
Mfg#:
MKIVGLICOOLKT2
Back Ordered
$1002.05 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2586887 - 06H121113BKT1 - Thermostat Replacement Kit - Includes a thermostat, housing, O-ring and bolts - Assembled By ECS - Audi Volkswagen

Includes a thermostat, housing, O-ring and bolts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with CCTA engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586887
Mfg#:
06H121113BKT1
In Stock
ON SALE! SAVE 28%
$34.99

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

$25.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Replacement Kit

ES#4017762 - CHS0645 - Coolant Flange Replacement Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. - Rein - Audi Volkswagen

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with AEB & ATW engine codes with D-shaped coolant temp sensor

Brand:
Rein - Corporate Logo
ES#:
4017762
Mfg#:
CHS0645
In Stock
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Relief Flush

ES#2608077 - 040202 - Radiator Relief Flush - Concentrated cleansing agent that effectively cleans your cooling system! - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Concentrated cleansing agent that effectively cleans your cooling system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DEI - Corporate Logo
ES#:
2608077
Mfg#:
040202
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Build-Your-Own MK4 24v VR6 Performance Cooling System Refresh Kit

ES#4005786 - 018163ECS05 - Build-Your-Own MK4 24v VR6 Performance Cooling System Refresh Kit - Upgrade your VR6's cooling system with select performance upgrades from ECS Tuning! - Assembled By ECS - Volkswagen

Upgrade your VR6's cooling system with select performance upgrades from ECS Tuning! 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#:
4005786
Mfg#:
018163ECS05
Back Ordered
ON SALE!
Starting at $267.74 USD
Customize
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

ES#2598216 - 06H121113KT3 - Cooling System Refresh Kit - Level 1 - This entry level kit covers the most common failures in the cooling system - Genuine Volkswagen Audi - Volkswagen

This entry level kit covers the most common failures in the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with CBFA engine code and DSG transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2598216
Mfg#:
06H121113KT3
Ships in 4 Business Days
$913.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Radiator Stop-Leak - 250mL

ES#3514566 - 20132 - Radiator Stop-Leak - 250mL - Put a stop to that coolant leak! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Put a stop to that coolant leak! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514566
Mfg#:
20132
In Stock
25% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$15.95

This product was last offered at the strikethrough price on
06-17-2026

$11.99 USD
Free Shipping
on orders $49 and up

Build-Your-Own MK4 1.8T Performance Cooling System Refresh Kit

ES#4005762 - 018163ECS03 - Build-Your-Own MK4 1.8T Performance Cooling System Refresh Kit - Upgrade your 1.8T's cooling system with select performance upgrades from ECS Tuning! - Assembled By ECS - Volkswagen

Upgrade your 1.8T's cooling system with select performance upgrades from ECS Tuning! 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#:
4005762
Mfg#:
018163ECS03
Back Ordered
ON SALE!
Starting at $267.74 USD
Customize
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

ES#3691145 - 3c0122101gjKT - Cooling System Refresh Kit - Level 1 - This entry level kit covers the most common failures in the cooling system - Genuine Volkswagen Audi - Volkswagen

This entry level kit covers the most common failures in the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with CCTA engine code and DSG transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3691145
Mfg#:
3C0122101GJKT
Ships in 1 day
$932.99

This product was last offered at the strikethrough price on
02-26-2026

$821.99 USD
This product is lifetime replacement eligible Partial Replacement

Water Pump Kit

ES#5385841 - 14TWP2KT - Water Pump Kit - Includes gasket, belt, and Bremmen Water pump module - Assembled By ECS - Volkswagen

Includes gasket, belt, and Bremmen Water pump module 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#:
5385841
Mfg#:
14TWP2KT
Ships on Oct 26, 2026
Auto Notify
ON SALE!
$220.00

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

$202.46 USD
Free Shipping
on orders $49 and up
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.

Other Volkswagen Cooling System Service & Maintenance Parts

Let us help you find the parts that fit your Volkswagen

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