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Volkswagen MK4 Cooling System Service & Maintenance Parts

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ECS Radiator Installation Kit

ES#2581548 - 1J0806157FKT - ECS Radiator Installation Kit - Includes radiator mounts and hoses for a simple installation - Assembled By ECS - Volkswagen

Includes radiator mounts and hoses for a simple installation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with manual transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581548
Mfg#:
1J0806157FKT
In Stock at Vendor
ON SALE!
$193.99

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

$191.18 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

G13 Coolant - 1.5 Liter

ES#2808528 - G013A8JM1 - G13 Coolant - 1.5 Liter - Lilac OE specification lifetime coolant - ROWE - Audi Volkswagen

Lilac OE specification lifetime coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ROWE - Corporate Logo
ES#:
2808528
Mfg#:
G013A8JM1
Ships in 8 Business Days
$17.99 USD
Free Shipping
on orders $49 and up

Thermostat Replacement Kit

ES#2684845 - 022121113 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housings and hardware - Assembled By ECS - Volkswagen

Maintain proper operating temperature with a new thermostat, housings and 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#:
2684845
Mfg#:
022121113
Ships in 1 Business Day
ON SALE! SAVE 12%
$175.99

This product was last offered at the strikethrough price on
01-24-2026

$155.19 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Anti-Freeze Tester

ES#3536250 - EZRSP102 - Anti-Freeze Tester - Don't let your engine freeze, be sure with this easy to use tester - E-Z Red Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Don't let your engine freeze, be sure with this easy to use tester affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
E-Z Red Tools - Corporate Logo
ES#:
3536250
Mfg#:
EZRSP102
Ships in 1 Business Day
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flush Kit

ES#3063385 - G013A8JM1KT - Coolant Flush Kit - Includes Schwaben coolant refill/air purge tool and 3 liters of G13 coolant. - Assembled By ECS - Audi Volkswagen

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
Ships in 5 Business Days
ON SALE! SAVE 17%
$157.99

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

$130.87 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2593883 - MK420TSTAT - Thermostat Replacement Kit - All parts and hardware needed for replacing a thermostat - Genuine Volkswagen Audi - Volkswagen

All parts and hardware needed for replacing a thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2593883
Mfg#:
MK420TSTAT
In Stock at Vendor
$119.99

This product was last offered at the strikethrough price on
03-18-2026

$114.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Flex Driver For Screw Type Hose Clamps

ES#5027 - ABA TOOL 24 - Flex Driver For Screw Type Hose Clamps - Manufactured by ABA, 24" long - ABA - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Manufactured by ABA, 24" long affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ABA - Corporate Logo
ES#:
5027
Mfg#:
ABA TOOL 24
In Stock at Vendor
$91.99

This product was last offered at the strikethrough price on
05-07-2026

$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2593884 - MK420TSTAT - Thermostat Replacement Kit - All parts and hardware needed for replacing a thermostat - Assembled By ECS - Volkswagen

All parts and hardware needed for replacing a 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#:
2593884
Mfg#:
MK420TSTAT
In Stock
ON SALE! SAVE 24%
$33.99

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

$25.93 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2954035 - 038121121dkt3 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Volkswagen

Maintain proper operating temperature with a new thermostat, housing and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with BEW engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2954035
Mfg#:
038121121DKT3
Ships on Jul 27, 2026
Auto Notify
ON SALE! SAVE 42%
$36.99

This product was last offered at the strikethrough price on
12-29-2025

$21.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Zerex Ht-12 Pink

ES#5435259 - 904683 - Zerex Ht-12 Pink - Si-OAT technology specifically engineered for modern BMW, VW, Audi, and Porsche vehicles. - Zerex - Audi Volkswagen

Si-OAT technology specifically engineered for modern BMW, VW, Audi, and Porsche vehicles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zerex - Corporate Logo
ES#:
5435259
Mfg#:
904683
Back Ordered
$25.99

This product was last offered at the strikethrough price on
05-07-2026

$24.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2954033 - 038121121KT2 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Volkswagen

Maintain proper operating temperature with a new thermostat, housing and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with ALH engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2954033
Mfg#:
038121121KT2
Ships on Jul 27, 2026
Auto Notify
ON SALE! SAVE 42%
$36.99

This product was last offered at the strikethrough price on
12-29-2025

$21.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Anti-Freeze Tester

ES#4337913 - CTAA195 - Anti-Freeze Tester - Tests all ethylene glycol solutions with radiator hot or cold - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tests all ethylene glycol solutions with radiator hot or cold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4337913
Mfg#:
CTAA195
Ships on Jun 19, 2026
$9.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - oE

ES#2848868 - 1j0121407FBEVKT - Cooling System Refresh Kit - oE - Everything needed for a full cooling system overhaul - Assembled By ECS - Volkswagen

Everything needed for a full cooling system overhaul affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with BEV engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2848868
Mfg#:
1J0121407FBEVKT
Ships in 3 Business Days
ON SALE!
$530.99

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

$525.86 USD
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - oE

ES#3132602 - MKIVJTCRK20KT1 - Cooling System Refresh Kit - oE - Everything needed for a full cooling system overhaul - Assembled By ECS - Volkswagen

Everything needed for a full cooling system overhaul affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with BBW engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
3132602
Mfg#:
MKIVJTCRK20KT1
Ships in 3 Business Days
ON SALE!
$340.99

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

$314.73 USD
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit

ES#2581488 - MKIVGLIATCOOLKT - ECS Cooling System Refresh Kit - The most common failure points in your cars cooling system - Assembled By ECS - Volkswagen

The most common failure points in your cars cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with AWP engine code with automatic transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581488
Mfg#:
MKIVGLIATCOOLKT
Ships in 1 Business Day
ON SALE!
$579.99

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

$556.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit

ES#2954132 - MK4GLFTDICOOLKT3 - Cooling System Refresh Kit - The most common failure points in your cars cooling system - Assembled By ECS - Volkswagen

The most common failure points in your cars cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with ALH engine code with automatic transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2954132
Mfg#:
MK4GLFTDICOOLKT3
Ships on Jul 27, 2026
Auto Notify
$339.00 USD
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 Volkswagen

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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