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Audi A4 Cooling System Thermostat Kits

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ES#4699573 - 06L121111P - Thermostat/Water Pump Kit (Updated) - Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and o-rings - Bremmen Parts - Audi Volkswagen Porsche
ECS Tuning recommends this product.

Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4699573
Mfg#:
06L121111P
In Stock
ON SALE! SAVE 10%
$245.99

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

$221.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5425238 - 06L121111J - Thermostat/Water Pump Kit - With Belt  - Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt. - Bremmen Parts - Audi Volkswagen Porsche

Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5425238
Mfg#:
06L121111J
In Stock
ON SALE! SAVE 20%
$265.99

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

$212.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2777024 - 06B121111KKT3 -  Thermostat Replacement Kit With ECS Billet Aluminum J-Plug - Includes ECS' upgraded J-Plug, a new thermostat, o-ring, and hardware - Assembled By ECS - Audi

Includes ECS' upgraded J-Plug, a new thermostat, o-ring, 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#:
2777024
Mfg#:
06B121111KKT3
Ships in 1-2 days
ON SALE! SAVE 24%
$159.99

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

$122.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2574945 - 06B121111KKT - Thermostat Replacement Kit - Includes new thermostat, j-plug, o-ring, and hardware - Assembled By ECS - Audi

Includes new thermostat, j-plug, o-ring, 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#:
2574945
Mfg#:
06B121111KKT
In Stock
ON SALE! SAVE 19%
$116.99

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

$94.55 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2586522 - 06D121111G1KT - Thermostat Replacement Kit - Includes thermostat with housing, o-ring and mounting hardware - Genuine Volkswagen Audi - Audi

Includes thermostat with housing, o-ring and mounting hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2586522
Mfg#:
06D121111G1KT
Ships in 1-2 days
$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2586519 - 06D121111G2KT - Thermostat Replacement Kit - Includes thermostat with housing, o-ring and mounting hardware - Assembled By ECS - Audi

Includes thermostat with housing, o-ring and mounting 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#:
2586519
Mfg#:
06D121111G2KT
In Stock
ON SALE! SAVE 25%
$56.99

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

$42.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2762644 - 06E121111Mkt - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Genuine Volkswagen Audi - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2762644
Mfg#:
06E121111MKT
Ships in 2 Business Days
$167.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4820361 - 06H121026DSKITKT - Upgraded Water Pump And Thermostat Kit - Includes Vacio upgraded Aluminum Water Pump, Bremmen Thermostat and housing, and Vacio Coolant. - Assembled By ECS - Audi

Includes Vacio upgraded Aluminum Water Pump, Bremmen Thermostat and housing, and Vacio Coolant. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with Inzi water pumps up to production date 6/3/2012

Brand:
Assembled By ECS - Corporate Logo
ES#:
4820361
Mfg#:
06H121026DSKITKT
Ships in 3 Business Days
$293.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#3470579 - 06J121113CKT2 - Thermostat Replacement Kit - Keep your cooling system efficient with a new Gates thermostat, housing and o-ring - Assembled By ECS - Audi

Keep your cooling system efficient with a new Gates thermostat, housing and o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with Behr water pumps from the 2013 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3470579
Mfg#:
06J121113CKT2
Ships on Jul 2, 2026
$230.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2608021 - 06J121113CKT - Thermostat Replacement Kit - Keep your cooling system efficient with a new thermostat, housing and o-ring - Genuine Volkswagen Audi - Audi

Keep your cooling system efficient with a new thermostat, housing and o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Behr water pumps from the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2608021
Mfg#:
06J121113CKT
Ships in 2 Business Days
$224.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2608016 - 06J121113AKT - Thermostat Replacement Kit - Keep your cooling system efficient with a new thermostat, housing and o-ring - Genuine Volkswagen Audi - Audi

Keep your cooling system efficient with a new thermostat, housing and o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Behr water pumps up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2608016
Mfg#:
06J121113AKT
Ships in 2 Business Days
$224.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3138264 - 06E121111Gkt3 - 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 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#:
3138264
Mfg#:
06E121111GKT3
Ships in 1-2 days
ON SALE!
$94.50

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

$92.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3690152 - 06h121113bkt6KT - Thermostat Replacement Kit  - Keep your cooling system efficient with a new thermostat, housing and o-ring - Genuine Volkswagen Audi - Audi

Keep your cooling system efficient with a new thermostat, housing and o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Inzi water pumps up to production date 6/3/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3690152
Mfg#:
06H121113BKT6KT
Ships in 2 Business Days
$176.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2762587 - 06E121111Gkt2 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Genuine Volkswagen Audi - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2762587
Mfg#:
06E121111GKT2
Ships in 1-2 days
$167.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2762250 - 06c121111ekt - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Genuine Volkswagen Audi - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2762250
Mfg#:
06C121111EKT
Ships in 2 Business Days
$163.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2581850 - 050121113ckt-1 -  Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Genuine Volkswagen Audi - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes AEB & ATW

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2581850
Mfg#:
050121113CKT-1
Ships in 2 Business Days
$119.99

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

$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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