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Audi A4 Engine Thermostat Parts

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ES#2804447 - 06B121121L - Thermostat Housing  - Located on the left side of the engine block - Bremmen Parts - Audi Volkswagen

Located on the left side of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
2804447
Mfg#:
06B121121L
In Stock
ON SALE! SAVE 27%
$9.99

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

$7.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2581864 - 050121113ckt-2 - 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#:
2581864
Mfg#:
050121113CKT-2
In Stock
$83.99

This product was last offered at the strikethrough price on
03-18-2026

$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3190037 - 902-718 - Thermostat - Includes housing and gasket. - Dorman - Audi

Includes housing and gasket. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3190037
Mfg#:
902-718
Ships in 4 Business Days
$78.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2813072 - 06E121111G - Thermostat - Includes housing and gasket. - Hamburg Tech - Audi

Includes housing and gasket. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813072
Mfg#:
06E121111G
Ships in 1 Business Day
$71.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4415624 - 06B103033A - Coolant "J" Plug - Located on the block near the coolant regulator - URO - Audi

Located on the block near the coolant regulator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4415624
Mfg#:
06B103033A
Ships in 1 Business Day
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2065049 - 06J121119B - Thermostat O-Ring - Create a leak-free seal between the thermostat and the water pump - Genuine Volkswagen Audi - Audi

Create a leak-free seal between the thermostat and the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2065049
Mfg#:
06J121119B
Ships in 2 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3190021 - 902-5134 - Thermostat Replacement Kit - Includes thermostat with housing, o-ring and mounting hardware - Dorman - Audi

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

Brand:
Dorman - Corporate Logo
ES#:
3190021
Mfg#:
902-5134
Ships in 4 Business Days
$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2710668 - 06H121113B - Thermostat - Keep your cooling system efficient - Vemo - Audi Volkswagen

Keep your cooling system efficient affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up to production date 6/3/2012

Brand:
Vemo - Corporate Logo
ES#:
2710668
Mfg#:
06H121113B
In Stock
ON SALE! SAVE 40%
$54.99

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

$32.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3234807 - 06C121111E - Thermostat Assembly - Housing included - Gates - Audi

Housing included affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3234807
Mfg#:
06C121111E
Ships on Jun 25, 2026
$72.99

This product was last offered at the strikethrough price on
06-03-2026

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2992206 - 06J121113A - Thermostat - Keep your cooling system efficient with a new thermostat - Mahle - Audi

Keep your cooling system efficient with a new thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles from production date 6/3/2012

Brand:
Mahle - Corporate Logo
ES#:
2992206
Mfg#:
06J121113A
Back Ordered
$64.99

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

$62.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2763564 - 06J121113A - Thermostat  - Keep your cooling system efficient with a new thermostat - Vaico - Audi

Keep your cooling system efficient with a new thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles from production date 6/3/2012

Brand:
Vaico - Corporate Logo
ES#:
2763564
Mfg#:
06J121113A
Back Ordered
$63.99

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

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818465 - 06F121057D - Coolant Hose - Rubber coolant hose that connects thermostat to coolant hard pipe - Bremmen Parts - Audi

Rubber coolant hose that connects thermostat to coolant hard pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818465
Mfg#:
06F121057D
In Stock
ON SALE! SAVE 35%
$4.99

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

$3.26 USD
Free Shipping
on orders $49 and up
ES#2539450 - 06H121113B - Thermostat - Keep your cooling system efficient - Febi - Audi Volkswagen

Keep your cooling system efficient affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles up to production date 6/3/2012

Brand:
Febi - Corporate Logo
ES#:
2539450
Mfg#:
06H121113B
Ships on Sep 2, 2026
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#469440 - N90280904 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x22 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x22 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes AEB & ATW. Secures the thermostat housing to the water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469440
Mfg#:
N90280904
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#514001 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Victor Reinz - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
514001
Mfg#:
038121119B
In Stock at Vendor
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3234814 - 06E121111G - Thermostat - Includes housing and gasket. - Gates - Audi

Includes housing and gasket. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3234814
Mfg#:
06E121111G
Ships on Jun 25, 2026
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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.

Let us help you find the parts that fit your Audi

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