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Audi B6 A4 Quattro 1.8T Engine Cooling Refresh Kits

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Cooling Flange Replacement Kit

ES#2602901 - 06B121132EKT1 - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602901
Mfg#:
06B121132EKT1
In Stock
ON SALE! SAVE 25%
$64.99

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

$49.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#2586303 - 06B121111K1KT - Cooling System Refresh Kit - Level 1 - Replace your thermostat, temp sensor and expansion tank with one kit! - Assembled By ECS - Audi

Replace your thermostat, temp sensor and expansion tank with one kit!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586303
Mfg#:
06B121111K1KT
Ships in 1-2 days
ON SALE! SAVE 50%
$555.99

This product was last offered at the strikethrough price on
02-24-2026

$280.44 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3 With ECS Billet Aluminum J-Plug

ES#2795706 - 06B121132EKT4 - Cooling System Refresh Kit - Level 3 With ECS Billet Aluminum J-Plug - Includes ECS' upgraded J-plug, replace critical cooling system components & perform a proper coolant system flush - Assembled By ECS - Audi

Includes ECS' upgraded J-plug, replace critical cooling system components & perform a proper coolant system flush

Brand:
Assembled By ECS - Corporate Logo
ES#:
2795706
Mfg#:
06B121132EKT4
In Stock at Vendor
ON SALE! SAVE 17%
$330.99

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

$274.71 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling Flange Replacement Kit - With Coolant

ES#2602886 - 06B121132EKT - Cooling Flange Replacement Kit - With Coolant - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602886
Mfg#:
06B121132EKT
In Stock
ON SALE!
$97.99

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

$90.49 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2 With ECS Billet Aluminum J-Plug

ES#2795704 - 06B121111KT3 - Cooling System Refresh Kit - Level 2 With ECS Billet Aluminum J-Plug - Includes ECS' upgraded J-plug & replace your thermostat, temp sensors, coolant flange, & expansion tank with one kit! - Assembled By ECS - Audi

Includes ECS' upgraded J-plug & replace your thermostat, temp sensors, coolant flange, & expansion tank with one kit!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2795704
Mfg#:
06B121111KT3
In Stock at Vendor
ON SALE! SAVE 17%
$317.99

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

$264.08 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2608083 - 06B121132EKT2 - 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

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608083
Mfg#:
06B121132EKT2
In Stock at Vendor
ON SALE! SAVE 12%
$284.99

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

$251.08 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2

ES#2608082 - 06B121111KKT2 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensors, coolant flange, and expansion tank with one kit! - Assembled By ECS - Audi

Replace your thermostat, temp sensors, coolant flange, and expansion tank with one kit!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608082
Mfg#:
06B121111KKT2
In Stock at Vendor
ON SALE! SAVE 12%
$271.99

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

$239.79 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1 With ECS Billet Aluminum J-Plug

ES#2795701 - 06B121111KT2 - Cooling System Refresh Kit - Level 1 With ECS Billet Aluminum J-Plug - Includes ECS' upgraded J-plug & replace your thermostat, temp sensor & expansion tank with one kit! - Assembled By ECS - Audi

Includes ECS' upgraded J-plug & replace your thermostat, temp sensor & expansion tank with one kit!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2795701
Mfg#:
06B121111KT2
In Stock at Vendor
ON SALE! SAVE 17%
$273.99

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

$228.28 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

ES#2586289 - 06B121111K2KT - Cooling System Refresh Kit - Level 1 - Replace your thermostat, temp sensor and expansion tank with one kit! - Assembled By ECS - Audi

Replace your thermostat, temp sensor and expansion tank with one kit!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586289
Mfg#:
06B121111K2KT
In Stock at Vendor
ON SALE! SAVE 12%
$227.99

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

$201.75 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling Flange Replacement Kit

ES#2649713 - 06B121132EKT3 - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Genuine Volkswagen Audi - Audi

Cure the common coolant leak coming from the back of your engine compartment

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2649713
Mfg#:
06B121132EKT3
In Stock
$132.99

This product was last offered at the strikethrough price on
08-11-2026

$121.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Refresh Kits

Stay ahead of cooling issues by servicing your cooling system with our curated cooling system service kits that include everything you need to bring your cooling system back up to snuff.

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