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Audi Engine Thermostat Parts

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Thermostat/Water Pump Kit

ES#4039367 - 06L121111H - Thermostat/Water Pump Kit - Includes thermostat, water pump, gasket, and belt. Made in Germany! - Vemo - Audi Volkswagen

Includes thermostat, water pump, gasket, and belt. Made in Germany! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vemo - Corporate Logo
ES#:
4039367
Mfg#:
06L121111H
Ships on Feb 24, 2027
$376.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4699802 - 07K121111F - Thermostat Assembly - Includes thermostat housing with thermostat - Genuine Volkswagen Audi - Audi

Includes thermostat housing with thermostat Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4699802
Mfg#:
07K121111F
Ships in 2 Business Days
12% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$833.99

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

$729.99 USD
Free Shipping
on orders $49 and up

4.0T Water Pump And Thermostat Replacement Kit

ES#5386436 - 0P2121014KT1 - 4.0T Water Pump And Thermostat Replacement Kit - Includes everything you need to replace your water pump and thermostat. - Assembled By ECS - Audi Porsche

Includes everything you need to replace your water pump and thermostat. 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
5386436
Mfg#:
0P2121014KT1
Back Ordered
ON SALE! SAVE 26%
$977.99

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

$720.10 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat

ES#4759987 - 03L121111AC - Thermostat - This also includes the thermostat housing - Bremmen Parts - Audi Volkswagen

This also includes the thermostat housing 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759987
Mfg#:
03L121111AC
In Stock
ON SALE! SAVE 30%
$63.99

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

$45.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly (06B121111K)

ES#3979322 - 06B121111K - Thermostat Assembly (06B121111K) - Includes housing, gasket & sensor - URO - Audi
ECS Tuning recommends this product.

Includes housing, gasket & sensor 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3979322
Mfg#:
06B121111K
In Stock
Limited Qty Sale
$75.89

This product was last offered at the strikethrough price on
10-13-2026

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hard Coolant Pipe

ES#281153 - 06F121065H - Hard Coolant Pipe - Positioned between the thermostat and oil cooler - Genuine Volkswagen Audi - Audi Volkswagen

Positioned between the thermostat and oil cooler Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281153
Mfg#:
06F121065H
Ships in 1 day
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$176.99

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

$161.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#280429 - 06D121111G - Thermostat Assembly - Includes sealing o-ring - Genuine Volkswagen Audi - Audi

Includes sealing o-ring Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280429
Mfg#:
06D121111G
In Stock
$129.22 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump / Thermostat Kit - 3.0 TDI

ES#5386538 - 059121008KKT2 - Water Pump / Thermostat Kit - 3.0 TDI - Includes necessary parts to replace the thermostat and water pump. - Assembled By ECS - Audi

Includes necessary parts to replace the thermostat and water pump. 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
5386538
Mfg#:
059121008KKT2
Ships in 3 Business Days
$327.99

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

$322.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat

ES#3659357 - 06E121111M - Thermostat - Includes housing and gasket - URO - Audi

Includes housing and gasket 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3659357
Mfg#:
06E121111M
In Stock
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2581582 - 050121113CKT2 - Thermostat Replacement Kit - Everything you need to service a faulty thermostat - Assembled By ECS - Audi Volkswagen

Everything you need to service a faulty thermostat 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581582
Mfg#:
050121113CKT2
In Stock
ON SALE! SAVE 18%
$33.99

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

$27.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Thermostat Housing Cover

ES#3553459 - 462-121-VR41E - Cast Aluminum Thermostat Housing Cover - Replace your inferior plastic housing cover - iABED Industries - Audi Volkswagen

Replace your inferior plastic housing cover Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
iABED Industries - Corporate Logo
ES#:
3553459
Mfg#:
462-121-VR41E
Back Ordered
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2763706 - 06E121111ALKT5 - 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2763706
Mfg#:
06E121111ALKT5
In Stock
$163.99

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

$156.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat

ES#280792 - 06E121111M - Thermostat - Includes housing and gasket - Genuine Volkswagen Audi - Audi

Includes housing and gasket Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280792
Mfg#:
06E121111M
Ships in 1 day
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$168.99

This product was last offered at the strikethrough price on
08-17-2026

$151.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 71°C

ES#6957 - 075121113D 71D - Thermostat - 71C - Keep your engine running cooler for more power - Mahle-Behr - Audi Volkswagen

Keep your engine running cooler for more power Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Lower temperature thermostat than factory - OE is 87°C

Brand:
Mahle-Behr - Corporate Logo
ES#:
6957
Mfg#:
075121113D 71D
Ships in 6 Business Days
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Hose O-ring

ES#3132777 - 06E121119H - Thermostat Hose O-ring - Seals the coolant pipe to the thermostat housing. 23x28.4x4.5 - Genuine Volkswagen Audi - Audi

Seals the coolant pipe to the thermostat housing. 23x28.4x4.5 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3132777
Mfg#:
06E121119H
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump And Thermostat Kit

ES#4820374 - 06e121111atKT - Water Pump And Thermostat Kit - Includes genuine water pump, thermostat and hardware. - Genuine Volkswagen Audi - Audi

Includes genuine water pump, thermostat and hardware. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with models years through 2019

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4820374
Mfg#:
06E121111ATKT
Ships in 4 Business Days
$583.99

This product was last offered at the strikethrough price on
10-26-2026

$574.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

More About Engine Thermostat Parts

Your thermostat helps regulate engine temperatures by allowing the coolant to circulate through the radiator once it opens. If it fails, this might mean it never closes, but worst case, it could mean your coolant doesn't get to the radiator. Stay ahead of cooling issues by replacing your thermostat regularly with an OEM thermostat or quality aftermarket thermostat from our selection.

Other Audi Engine Thermostat Parts

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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