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Volkswagen MK5 Cooling System Service & Maintenance Parts

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Thermostat Replacement Kit

ES#2763627 - 07K121113BKT3 - Thermostat Replacement Kit - Everything you need to service a faulty thermostat - Assembled By ECS - Volkswagen

Everything you need to service a faulty thermostat 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2763627
Mfg#:
07K121113BKT3
Ships in 2 Business Days
ON SALE!
$138.37

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

$134.22 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit

This comprehensive kit eliminates the weak spots in your cooling system 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles up through the 2006 model year only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581788
Mfg#:
1K0121251CJKT
Ships in 4 Business Days
ON SALE!
$631.99

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

$612.90 USD
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2

ES#2602639 - 1K0198251CSKT - Cooling System Refresh Kit - Level 2 - This comprehensive kit eliminates weak spots in your cooling system - Assembled By ECS - Volkswagen

This comprehensive kit eliminates weak spots in your cooling system 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with CBFA engine code and manual transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602639
Mfg#:
1K0198251CSKT
Ships in 3 Business Days
ON SALE!
$517.99

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

$514.45 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2

ES#2586422 - 1K0121251AB2KT - Cooling System Refresh Kit - Level 2 - This comprehensive kit eliminates weak spots in your cooling system - Assembled By ECS - Volkswagen

This comprehensive kit eliminates weak spots in your cooling system 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with CCTA engine code and DSG transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586422
Mfg#:
1K0121251AB2KT
Ships in 1-2 days
ON SALE!
$513.99

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

$512.31 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

ES#2598214 - 06H121113KT1 - 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 For vehicles with CCTA engine code and DSG transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2598214
Mfg#:
06H121113KT1
Ships in 1-2 days
$1015.99

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

$952.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit

ES#2973184 - 1K0121251CJ1KT - Cooling System Refresh Kit - This comprehensive kit eliminates the weak spots in your cooling system - Genuine Volkswagen Audi - Volkswagen

This comprehensive kit eliminates the weak spots in your cooling system For vehicles up through the 2006 model year only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2973184
Mfg#:
1K0121251CJ1KT
Ships in 4 Business Days
$1952.99

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

$1761.99 USD
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit

ES#2763714 - 1K0121251CJKT2 - Cooling System Refresh Kit - This comprehensive kit eliminates the weak spots in your cooling system - Genuine Volkswagen Audi - Volkswagen

This comprehensive kit eliminates the weak spots in your cooling system For vehicles from the 2007 model year only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2763714
Mfg#:
1K0121251CJKT2
Ships in 4 Business Days
$1929.99

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

$1628.99 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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