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Audi Cooling System Service & Maintenance Parts

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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

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

Thermostat Replacement Kit

ES#3690438 - 06e121111alktKT5 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3690438
Mfg#:
06E121111ALKTKT5
In Stock
ON SALE! SAVE 15%
$85.99

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

$72.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2

ES#3648512 - 06D121111GKT5 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3648512
Mfg#:
06D121111GKT5
In Stock
ON SALE!
$312.99

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

$303.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit

ES#2762584 - 06E121111GKT1 - Cooling System Refresh Kit - Replace your thermostat and temp sensor with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensor with one kit! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2762584
Mfg#:
06E121111GKT1
In Stock
ON SALE!
$143.43

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

$138.50 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2

ES#2749263 - 06E121111ALKT3 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2749263
Mfg#:
06E121111ALKT3
In Stock
ON SALE! SAVE 11%
$213.99

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

$191.30 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit

ES#2738396 - 03L121111ACkt - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2738396
Mfg#:
03L121111ACKT
In Stock
ON SALE!
$242.99

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

$239.19 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Flange & Bypass Line Adapter

ES#5481872 - 059121737AMKT - Coolant Flange & Bypass Line Adapter - Common point of failure or leaking for the cooling system - Assembled By ECS - Audi Volkswagen

Common point of failure or leaking for the cooling system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481872
Mfg#:
059121737AMKT
In Stock
$175.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#2593411 - 06H121026BAKT1 - Cooling System Refresh Kit - Level 1 - Service your critical cooling system components with one kit! - Genuine Volkswagen Audi - Audi

Service your critical cooling system components with one kit!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2593411
Mfg#:
06H121026BAKT1
In Stock
$639.99

This product was last offered at the strikethrough price on
09-02-2026

$634.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2765347 - 022121113KT4 - Thermostat Replacement Kit - Parts needed when replacing thermostat - Genuine Volkswagen Audi - Audi

Parts needed when replacing thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2765347
Mfg#:
022121113KT4
In Stock
$186.99

This product was last offered at the strikethrough price on
09-02-2026

$177.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Expansion Tank Replacement Kit

ES#4810244 - 8w1121405n2KT - Expansion Tank Replacement Kit - Genuine Volkswagen Audi - Audi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4810244
Mfg#:
8W1121405N2KT
In Stock
$226.99

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

$224.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2

ES#2680928 - 1J0121407FKT3 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! - Genuine Volkswagen Audi - Audi

Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! From VIN 8N-Y-015001, split is in the 2000 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2680928
Mfg#:
1J0121407FKT3
Ships on Oct 26, 2026
$335.99

This product was last offered at the strikethrough price on
07-25-2026

$321.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

ES#2763573 - 022121113KT2 - Cooling System Refresh Kit - Level 1 - Replace your thermostat, temp sensor, & expansion tank with one kit! - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2763573
Mfg#:
022121113KT2
Ships on Oct 26, 2026
$394.61

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

$383.82 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

ES#2749257 - 06E121111ALKT - Cooling System Refresh Kit - Level 1 - 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#:
2749257
Mfg#:
06E121111ALKT
In Stock
$241.99

This product was last offered at the strikethrough price on
09-29-2026

$235.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

ES#2680925 - 059919501KT5 - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensors with one kit! 10X Entries Into Our F80 M3 Sweepstakes
Up to VIN 8N-Y-015000, split is in the 2000 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2680925
Mfg#:
059919501KT5
Ships in 1 Business Day
ON SALE!
$80.99

This product was last offered at the strikethrough price on
06-16-2026

$73.47 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit

ES#2778113 - 078121113FKT1 - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-W-007800 Up to VIN 8D-X-315000, split is in the 1998 & 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2778113
Mfg#:
078121113FKT1
Ships in 1 Business Day
ON SALE!
$100.99

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

$99.00 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2680939 - 06A121132APKT2 - 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
Up to VIN 8N-Y-015000, split is in the 2000 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2680939
Mfg#:
06A121132APKT2
Ships in 1 Business Day
ON SALE!
$126.99

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

$118.67 USD
Free Shipping
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 Audi Cooling System Service & Maintenance Parts

Let us help you find the parts that fit your Audi

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