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Audi A4 Engine Cooling Refresh Kits

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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! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586303
Mfg#:
06B121111K1KT
Ships in 1 day
ON SALE! SAVE 50%
$546.99

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

$273.65 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Water Pump / Thermostat Kit

ES#5386445 - 06E121018BKT1 - Water Pump / Thermostat Kit - Includes everything you need to replace your water pump and thermostat. - Assembled By ECS - Audi

Includes everything you need to replace your water pump and thermostat. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5386445
Mfg#:
06E121018BKT1
Ships in 2 Business Days
ON SALE!
$287.99

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

$271.86 USD
Free Shipping
on orders $49 and up
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 10X Entries Into Our F80 M3 Sweepstakes

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! 10X Entries Into Our F80 M3 Sweepstakes

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

ES#2762651 - 06E121111Mkt1 - Cooling System Refresh Kit - Replace your thermostat and temp sensor with one kit! - Genuine Volkswagen Audi - Audi

Replace your thermostat and temp sensor with one kit!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2762651
Mfg#:
06E121111MKT1
In Stock
$267.99

This product was last offered at the strikethrough price on
08-31-2026

$262.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit

ES#2762583 - 06E121111Gkt - Cooling System Refresh Kit - Replace your thermostat and temp sensor with one kit! - Genuine Volkswagen Audi - Audi

Replace your thermostat and temp sensor with one kit!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2762583
Mfg#:
06E121111GKT
Ships in 1 day
$267.99

This product was last offered at the strikethrough price on
08-31-2026

$262.99 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 10X Entries Into Our F80 M3 Sweepstakes

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! 10X Entries Into Our F80 M3 Sweepstakes

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! 10X Entries Into Our F80 M3 Sweepstakes

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

Coolant Flange Replacement Kit - With Coolant

ES#2770997 - 06D121132CKT3 - Coolant 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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2770997
Mfg#:
06D121132CKT3
In Stock
ON SALE!
$81.99

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

$75.44 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2608152 - 06D121132CKT - 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 Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608152
Mfg#:
06D121132CKT
Ships in 1 day
ON SALE! SAVE 16%
$252.00

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

$210.89 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! 10X Entries Into Our F80 M3 Sweepstakes

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#2804114 - 058121132CKT - 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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804114
Mfg#:
058121132CKT
Ships in 1-2 days
ON SALE! SAVE 10%
$54.99

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

$49.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 2.0T Cooling System Refresh Kit - Level 3

ES#4659390 - 06D121132CKT7 - Audi B7 2.0T Cooling System Refresh Kit - Level 3 - Cure the common coolant leak coming from the back of your engine compartment once and for all! - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment once and for all! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4659390
Mfg#:
06D121132CKT7
In Stock
ON SALE! SAVE 28%
$270.99

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

$194.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2608142 - 050121113CKT3 - 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 Into Our F80 M3 Sweepstakes
Engine code AEB from VIN 8D-W-007800 up to VIN 8D-X-500000, splits are in the 1998-1999 model years

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608142
Mfg#:
050121113CKT3
Ships on Sep 25, 2026
ON SALE!
$189.99

This product was last offered at the strikethrough price on
07-31-2026

$185.37 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2608145 - 050121113CKT5 - 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 Into Our F80 M3 Sweepstakes
Engine code AWM from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608145
Mfg#:
050121113CKT5
Ships in 1 Business Day
ON SALE!
$185.99

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

$175.27 USD
Free Shipping
This product is lifetime replacement eligible Partial 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.

Let us help you find the parts that fit your Audi

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